QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#883994#10052. Just Long Neckties 2dengziyue100 ✓1495ms50808kbC++141.8kb2025-02-05 20:35:522025-02-05 20:35:54

Judging History

This is the latest submission verdict.

  • [2025-02-05 20:35:54]
  • Judged
  • Verdict: 100
  • Time: 1495ms
  • Memory: 50808kb
  • [2025-02-05 20:35:52]
  • Submitted

answer

#include<bits/stdc++.h>
using namespace std;
#define max_n 5000000
int hi[max_n+2];
int nn;
int n=0;
int a[max_n+2];
int dp[3][(1<<22)+2];
int dpi[3];
int dpn[(1<<22)+2];
int dpni=0;
int ans=21;
inline int read(){
	int res=0;
	char c=getchar();
	while(c<'0'||c>'9')c=getchar();
	while(c>='0'&&c<='9'){res=res*10+(c^48); c=getchar();}
	return res;
}
inline int calc(int w,int i){
	if((w>>i)&1)return w;
	return w^(1<<i)^hi[w&((1<<i)-1)];
}
inline bool cmp(int x,int y){
	while(x||y){
		if(!x||!y)return x<y;
		if(hi[x]>hi[y])return false;
		x^=hi[x]; y^=hi[y];
	}
	return true;
}
int main(){
	#ifdef dzy
	freopen("lds.in","r",stdin);
	freopen("lds.out","w",stdout);
	#endif
	hi[0]=0; hi[1]=1;
	for(int i=2;i<=max_n;++i)hi[i]=hi[i>>1]<<1;
	nn=read();
	for(int i=1,x,cnt=0;i<=nn;++i){
		x=read();
		if(n&&a[n]==x)++cnt;
		else cnt=1;
		if(cnt<=3)a[++n]=x;
	}
//	printf("n=%d\n",n);
	if(n<=3){printf("1\n"); return 0;}
    reverse(a+1,a+n+1);
    for(int i=1;i<=n;++i)a[i]=22-a[i];
	dp[1][dpi[1]=1]=1<<a[1];
	dp[2][dpi[2]=1]=1<<a[2];
	for(int i=3,x,y,z;i<=n;++i){
		x=i%3; y=(i-1)%3; z=(i-2)%3; dpi[x]=dpni=0;
		for(int j=1,to;j<=dpi[y];++j){
			to=calc(dp[y][j],a[i]);
			dpn[++dpni]=to;
		}
		for(int j=1,to;j<=dpi[z];++j){
			to=calc(dp[z][j],a[i]);
			dpn[++dpni]=to;
		}
		sort(dpn+1,dpn+dpni+1); dpni=unique(dpn+1,dpn+dpni+1)-dpn-1;
		for(int j=1;j<=dpni;++j){
			bool fl=true;
			for(int k=1;k<=dpi[x];++k){
				if(cmp(dp[x][k],dpn[j])){fl=false; break;}
			}
			if(fl)dp[x][++dpi[x]]=dpn[j];
		}
//		printf("i=%d dpi=%d\n",i,dpi[x]);
//		for(int j=1;j<=dpi[x];++j)printf("%d ",dp[x][j]); printf("\n");
	}
	for(int j=1;j<=dpi[n%3];++j)ans=min(ans,__builtin_popcount(dp[n%3][j]));
	for(int j=1;j<=dpi[(n-1)%3];++j)ans=min(ans,__builtin_popcount(dp[(n-1)%3][j]));
	printf("%d\n",ans);
	return 0;
}


Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 10
Accepted

Test #1:

score: 10
Accepted
time: 1ms
memory: 32316kb

input:

15
2 19 3 6 1 18 20 9 17 19 18 4 15 7 16

output:

3

result:

ok single line: '3'

Test #2:

score: 10
Accepted
time: 4ms
memory: 33372kb

input:

15
13 6 13 10 3 6 18 8 20 14 11 15 12 12 15

output:

2

result:

ok single line: '2'

Test #3:

score: 10
Accepted
time: 3ms
memory: 32752kb

input:

15
3 6 7 9 10 6 12 13 5 13 14 16 17 6 18

output:

1

result:

ok single line: '1'

Test #4:

score: 10
Accepted
time: 2ms
memory: 33176kb

input:

13
14 2 12 4 16 5 7 7 19 8 5 8 20

output:

1

result:

ok single line: '1'

Test #5:

score: 10
Accepted
time: 3ms
memory: 33516kb

input:

15
6 14 13 5 17 16 15 6 20 17 9 21 10 4 20

output:

2

result:

ok single line: '2'

Test #6:

score: 10
Accepted
time: 5ms
memory: 32772kb

input:

15
21 21 21 14 13 16 15 14 7 6 5 3 7 5 1

output:

4

result:

ok single line: '4'

Test #7:

score: 10
Accepted
time: 4ms
memory: 31632kb

input:

15
5 15 16 17 21 21 21 21 21 13 21 21 21 1 21

output:

1

result:

ok single line: '1'

Test #8:

score: 10
Accepted
time: 4ms
memory: 32448kb

input:

15
8 8 8 8 8 8 8 8 8 8 8 8 8 8 14

output:

1

result:

ok single line: '1'

Test #9:

score: 10
Accepted
time: 2ms
memory: 32672kb

input:

15
17 17 17 6 6 17 17 17 6 17 6 17 6 6 17

output:

2

result:

ok single line: '2'

Test #10:

score: 10
Accepted
time: 3ms
memory: 33224kb

input:

15
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

output:

1

result:

ok single line: '1'

Test #11:

score: 10
Accepted
time: 1ms
memory: 32060kb

input:

15
21 20 19 18 17 16 15 14 13 12 11 10 9 8 7

output:

7

result:

ok single line: '7'

Test #12:

score: 10
Accepted
time: 3ms
memory: 33248kb

input:

15
1 1 2 2 3 3 4 4 5 5 6 6 7 7 8

output:

1

result:

ok single line: '1'

Test #13:

score: 10
Accepted
time: 2ms
memory: 32628kb

input:

15
21 21 20 20 19 19 18 18 17 17 16 16 15 15 14

output:

7

result:

ok single line: '7'

Test #14:

score: 10
Accepted
time: 3ms
memory: 26396kb

input:

2
21 21

output:

1

result:

ok single line: '1'

Test #15:

score: 10
Accepted
time: 4ms
memory: 26192kb

input:

15
21 21 21 21 21 21 21 21 21 21 21 21 21 21 21

output:

1

result:

ok single line: '1'

Test #16:

score: 10
Accepted
time: 3ms
memory: 33548kb

input:

15
21 9 10 16 4 4 10 20 5 2 4 1 11 16 9

output:

3

result:

ok single line: '3'

Test #17:

score: 10
Accepted
time: 3ms
memory: 32412kb

input:

15
14 9 8 19 5 19 8 9 3 2 20 16 10 16 15

output:

3

result:

ok single line: '3'

Test #18:

score: 10
Accepted
time: 3ms
memory: 26576kb

input:

2
1 1

output:

1

result:

ok single line: '1'

Subtask #2:

score: 6
Accepted

Test #19:

score: 6
Accepted
time: 1ms
memory: 33496kb

input:

500
1 1 2 2 2 2 2 1 2 2 1 1 1 1 2 1 1 2 1 2 1 2 1 1 2 2 2 2 1 1 1 2 2 1 1 1 2 1 1 1 1 1 2 1 2 2 1 2 1 2 2 1 2 1 1 2 2 1 2 1 2 1 1 1 1 2 2 1 2 1 1 2 1 2 2 1 1 1 2 1 2 1 1 2 2 2 1 2 2 2 2 1 1 2 1 2 1 2 1 2 1 2 1 2 2 2 1 2 2 2 2 2 2 1 1 1 2 1 1 2 1 2 2 2 1 1 1 1 2 2 2 2 1 1 2 2 1 2 2 1 2 2 2 1 2 2 1 1 ...

output:

2

result:

ok single line: '2'

Test #20:

score: 6
Accepted
time: 3ms
memory: 32116kb

input:

500
1 2 1 1 2 2 1 2 1 1 2 1 2 1 1 1 1 2 2 1 1 2 2 2 1 1 1 1 2 2 1 2 1 2 2 2 1 1 2 2 2 1 1 1 1 2 1 1 2 1 1 2 2 1 2 2 1 1 1 1 2 2 2 2 1 1 2 1 2 2 2 2 2 1 2 2 1 1 2 1 2 2 1 1 1 2 1 2 1 2 1 2 1 1 1 2 2 1 1 1 1 2 2 2 2 1 1 1 1 1 2 1 2 2 2 2 1 2 1 2 2 1 1 1 2 2 1 1 1 2 2 1 2 2 2 1 1 1 2 2 1 1 2 2 2 2 1 1 ...

output:

2

result:

ok single line: '2'

Test #21:

score: 6
Accepted
time: 5ms
memory: 31624kb

input:

500
2 1 2 2 2 2 2 2 2 1 2 2 1 2 1 2 1 2 1 2 2 1 2 1 2 2 2 1 2 2 1 2 2 2 2 1 2 2 1 2 1 2 2 2 2 2 1 2 1 2 1 2 1 2 2 2 1 2 1 2 1 2 2 1 2 1 2 2 1 2 2 1 2 2 1 2 1 2 1 2 1 2 2 1 2 1 2 2 2 1 2 1 2 2 1 2 2 1 2 2 2 2 2 1 2 1 2 2 1 2 2 2 1 2 2 1 2 1 2 1 2 1 2 2 1 2 2 1 2 1 2 1 2 1 2 1 2 2 2 1 2 1 2 2 2 2 1 2 ...

output:

1

result:

ok single line: '1'

Test #22:

score: 6
Accepted
time: 2ms
memory: 31712kb

input:

500
2 1 2 1 2 1 1 2 1 2 1 1 2 1 1 2 1 2 1 2 1 2 1 2 1 1 1 1 1 1 2 1 1 1 1 1 1 2 1 1 1 1 2 1 2 1 1 2 1 1 1 2 1 1 2 1 1 2 1 2 1 1 2 1 2 1 1 1 1 1 2 1 1 1 2 1 2 1 2 1 2 1 2 1 2 1 1 2 1 1 2 1 1 1 2 1 1 2 1 2 1 2 1 1 1 2 1 1 2 1 2 1 2 1 1 2 1 2 1 2 1 1 2 1 1 1 1 1 2 1 2 1 2 1 2 1 1 2 1 1 1 1 2 1 1 1 1 2 ...

output:

1

result:

ok single line: '1'

Test #23:

score: 6
Accepted
time: 4ms
memory: 33104kb

input:

500
2 1 1 2 1 1 2 1 2 1 1 1 2 1 2 1 2 1 1 1 2 1 2 1 1 2 1 2 1 1 2 1 2 1 2 1 1 1 2 1 2 1 2 1 2 1 1 1 2 1 2 1 2 1 2 1 1 2 1 1 1 2 1 1 1 2 1 2 1 2 1 2 1 1 2 1 2 1 2 1 1 1 1 1 1 1 2 1 1 1 1 2 1 2 1 2 1 2 1 2 1 1 1 2 1 1 1 2 1 1 2 1 1 2 1 1 2 1 2 1 1 2 1 1 1 2 1 2 1 2 1 1 1 2 1 2 1 2 1 2 1 2 1 1 2 1 1 2 ...

output:

1

result:

ok single line: '1'

Test #24:

score: 6
Accepted
time: 2ms
memory: 32836kb

input:

500
2 1 2 1 2 1 2 1 1 1 2 1 2 1 1 1 1 1 1 2 1 1 1 1 2 1 2 1 1 1 1 1 2 1 1 1 1 1 2 1 2 1 2 1 2 1 1 2 1 1 1 1 1 1 2 1 2 1 1 2 1 1 2 1 1 2 1 2 1 2 1 2 1 1 1 1 2 1 2 1 1 1 2 1 2 1 2 1 2 1 2 1 1 1 2 1 1 2 1 1 1 1 2 1 1 2 1 1 1 1 2 1 1 2 1 2 1 2 1 2 1 2 1 2 1 1 2 1 1 1 2 1 2 1 2 1 2 1 1 2 1 1 1 1 2 1 1 1 ...

output:

1

result:

ok single line: '1'

Test #25:

score: 6
Accepted
time: 3ms
memory: 33208kb

input:

500
1 2 1 1 2 1 1 2 1 1 2 1 2 1 2 1 1 2 1 1 1 1 1 1 1 2 1 1 2 1 1 1 1 1 1 2 1 2 1 1 1 2 1 1 1 1 1 2 1 1 1 1 1 1 1 2 1 1 2 1 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 1 2 1 2 1 1 2 1 1 2 1 1 1 1 1 1 2 1 1 2 1 1 2 1 1 2 1 1 1 2 1 2 1 1 1 1 1 1 2 1 2 1 1 2 1 1 1 2 1 1 2 1 2 1 1 1 1 1 2 1 1 1 2 1 2 1 2 1 2 1 2 1 2 ...

output:

1

result:

ok single line: '1'

Test #26:

score: 6
Accepted
time: 4ms
memory: 27060kb

input:

2
1 2

output:

1

result:

ok single line: '1'

Test #27:

score: 6
Accepted
time: 2ms
memory: 25672kb

input:

2
2 1

output:

1

result:

ok single line: '1'

Test #28:

score: 6
Accepted
time: 4ms
memory: 32784kb

input:

4
1 1 2 2

output:

1

result:

ok single line: '1'

Test #29:

score: 6
Accepted
time: 3ms
memory: 32872kb

input:

4
2 2 1 1

output:

2

result:

ok single line: '2'

Test #30:

score: 6
Accepted
time: 3ms
memory: 32704kb

input:

500
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

output:

1

result:

ok single line: '1'

Test #31:

score: 6
Accepted
time: 3ms
memory: 31588kb

input:

500
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ...

output:

2

result:

ok single line: '2'

Test #32:

score: 6
Accepted
time: 3ms
memory: 26008kb

input:

2
2 2

output:

1

result:

ok single line: '1'

Test #33:

score: 6
Accepted
time: 3ms
memory: 25476kb

input:

500
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ...

output:

1

result:

ok single line: '1'

Subtask #3:

score: 12
Accepted

Test #34:

score: 12
Accepted
time: 3ms
memory: 32196kb

input:

500
2 5 4 4 4 1 1 4 5 1 1 2 2 1 4 3 3 1 4 5 4 3 1 1 3 4 4 2 2 3 1 1 1 1 3 3 5 2 1 2 1 1 4 1 4 4 1 2 2 5 3 4 2 3 2 3 5 3 3 1 5 3 4 5 1 2 5 5 2 1 5 1 4 2 2 2 1 2 1 2 2 1 4 2 3 5 1 2 5 2 1 2 5 3 3 5 3 1 3 4 3 3 1 3 4 4 5 1 2 2 2 3 2 5 3 5 3 1 4 5 1 1 5 3 3 5 4 3 1 5 1 5 5 1 5 5 2 4 3 2 5 3 3 2 4 3 1 3 ...

output:

5

result:

ok single line: '5'

Test #35:

score: 12
Accepted
time: 4ms
memory: 31612kb

input:

500
4 5 3 3 2 5 3 2 4 3 5 4 1 5 2 2 2 4 2 1 5 5 5 1 1 2 3 1 4 4 2 3 3 3 1 4 4 1 2 1 1 1 4 2 3 1 4 1 3 3 5 4 5 2 3 5 1 5 1 2 2 5 2 2 5 1 4 2 4 2 2 1 4 5 3 2 2 2 2 2 3 1 1 5 2 4 2 4 2 2 3 2 5 3 2 1 2 5 5 2 3 1 4 5 1 4 4 4 1 3 4 1 1 3 2 5 1 4 4 2 3 1 5 5 4 2 4 1 4 3 2 1 3 4 4 3 1 3 2 5 3 3 5 5 4 4 4 5 ...

output:

5

result:

ok single line: '5'

Test #36:

score: 12
Accepted
time: 2ms
memory: 31600kb

input:

500
1 1 4 1 1 3 1 1 3 1 5 1 1 1 5 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 3 1 1 1 4 1 1 1 1 1 1 1 1 1 1 1 4 1 1 1 1 1 1 3 1 1 1 1 4 1 1 2 1 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 3 1 1 1 1 1 1 1 4 1 3 1 1 1 2 2 4 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 4 2 2 1 2 2 2 2 2 2 5 2 2 1 2 3 2 2 1 2 2 2 2 2 5 2 2 1 ...

output:

1

result:

ok single line: '1'

Test #37:

score: 12
Accepted
time: 4ms
memory: 32332kb

input:

499
4 1 1 1 2 1 3 1 2 1 2 1 1 1 4 1 2 1 5 1 3 1 1 1 4 1 5 1 5 1 5 1 1 1 3 1 4 1 5 1 2 1 3 1 1 1 1 1 2 1 3 1 3 1 1 1 2 1 2 1 5 1 3 1 4 1 1 1 3 1 2 1 4 1 1 1 3 1 5 1 1 1 5 1 4 1 2 1 5 1 4 1 4 1 3 1 4 1 3 1 5 1 2 1 1 2 5 2 4 2 4 2 1 2 1 2 3 2 1 2 4 2 2 2 4 2 3 2 5 2 3 2 5 2 1 2 5 2 4 2 2 2 5 2 5 2 2 2 ...

output:

1

result:

ok single line: '1'

Test #38:

score: 12
Accepted
time: 4ms
memory: 31900kb

input:

500
1 1 2 1 1 1 3 1 1 1 4 1 3 1 1 1 1 1 1 3 1 2 1 1 4 1 1 5 1 1 1 2 1 1 1 5 1 4 1 5 1 1 1 1 1 1 1 1 2 1 4 1 1 1 1 1 1 4 1 5 1 3 1 4 1 1 1 1 1 1 1 5 1 1 5 2 3 1 4 1 1 1 1 1 1 2 1 2 2 1 2 3 2 4 2 2 2 4 2 2 2 1 3 2 2 1 5 1 5 2 2 2 2 5 2 4 2 4 1 5 1 1 1 2 4 2 4 2 5 1 1 2 2 1 2 5 2 3 2 4 2 2 5 2 2 2 3 2 ...

output:

3

result:

ok single line: '3'

Test #39:

score: 12
Accepted
time: 3ms
memory: 32612kb

input:

500
5 4 5 5 5 5 5 5 4 4 5 5 4 5 4 4 5 5 5 5 5 5 5 5 5 4 5 5 5 4 5 5 4 5 4 5 4 4 5 5 5 4 5 4 5 5 5 4 5 5 5 4 5 5 5 5 4 5 4 4 4 5 4 5 5 5 5 5 4 5 5 5 5 5 5 5 4 5 4 4 4 4 5 5 5 5 5 4 5 4 5 5 4 5 5 5 5 5 4 5 5 5 3 3 3 3 5 5 3 5 3 4 3 4 4 3 4 3 5 5 5 4 3 4 4 4 5 3 3 4 4 5 3 5 3 5 3 4 4 5 5 3 5 4 3 3 5 4 ...

output:

5

result:

ok single line: '5'

Test #40:

score: 12
Accepted
time: 2ms
memory: 33160kb

input:

500
4 4 1 4 5 4 4 4 2 4 4 4 3 5 5 5 5 4 4 1 1 1 5 3 5 4 4 5 4 4 5 2 4 2 1 1 4 2 5 2 4 4 5 4 1 4 5 4 4 4 4 4 4 4 2 4 5 1 2 5 1 2 4 5 3 3 1 3 4 3 4 1 3 2 2 4 4 3 4 2 1 5 2 3 4 4 4 4 5 3 4 5 5 1 4 1 4 1 4 4 4 2 4 3 2 3 5 1 4 3 1 4 1 3 4 5 2 4 2 1 3 4 1 4 4 4 1 4 2 4 4 5 2 4 5 4 5 4 4 4 4 4 2 4 5 4 4 2 ...

output:

5

result:

ok single line: '5'

Test #41:

score: 12
Accepted
time: 3ms
memory: 31524kb

input:

500
1 4 1 1 1 1 1 1 1 1 1 3 1 1 1 3 1 1 1 1 1 1 3 1 1 4 1 1 1 2 4 1 3 1 5 1 1 1 1 1 2 1 1 1 1 5 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 5 3 2 1 5 5 1 2 1 1 1 4 1 1 1 1 1 1 5 5 1 1 1 1 5 2 1 1 2 5 3 1 1 1 1 3 1 1 1 2 1 1 2 1 1 1 1 1 2 1 1 1 2 1 3 1 2 1 1 1 1 1 1 1 3 4 3 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 3 1 1 1 ...

output:

4

result:

ok single line: '4'

Test #42:

score: 12
Accepted
time: 3ms
memory: 33104kb

input:

500
5 5 5 1 1 2 5 5 1 5 5 1 1 5 1 5 5 1 5 1 5 1 1 1 3 5 1 1 1 5 5 1 5 5 4 5 3 1 1 1 5 1 5 5 3 1 1 1 5 1 5 1 2 5 5 5 3 5 1 1 1 5 1 1 1 5 1 5 1 3 4 5 5 1 5 1 1 5 2 1 5 1 1 3 5 5 5 1 5 1 5 1 1 1 4 1 1 5 1 1 1 1 1 5 1 5 5 5 5 1 1 5 1 5 1 5 1 5 1 1 5 5 1 1 1 5 3 5 1 1 5 1 1 5 1 5 1 1 5 5 5 1 1 1 5 5 1 1 ...

output:

4

result:

ok single line: '4'

Test #43:

score: 12
Accepted
time: 2ms
memory: 32480kb

input:

5
1 2 3 4 5

output:

1

result:

ok single line: '1'

Test #44:

score: 12
Accepted
time: 3ms
memory: 32128kb

input:

5
5 4 3 2 1

output:

2

result:

ok single line: '2'

Test #45:

score: 12
Accepted
time: 1ms
memory: 33256kb

input:

10
1 1 2 2 3 3 4 4 5 5

output:

1

result:

ok single line: '1'

Test #46:

score: 12
Accepted
time: 2ms
memory: 32756kb

input:

10
5 5 4 4 3 3 2 2 1 1

output:

5

result:

ok single line: '5'

Test #47:

score: 12
Accepted
time: 3ms
memory: 32416kb

input:

500
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ...

output:

1

result:

ok single line: '1'

Test #48:

score: 12
Accepted
time: 4ms
memory: 32460kb

input:

500
5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 ...

output:

5

result:

ok single line: '5'

Test #49:

score: 12
Accepted
time: 1ms
memory: 25916kb

input:

2
5 5

output:

1

result:

ok single line: '1'

Test #50:

score: 12
Accepted
time: 1ms
memory: 25660kb

input:

500
5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 ...

output:

1

result:

ok single line: '1'

Test #51:

score: 12
Accepted
time: 3ms
memory: 32876kb

input:

500
1 1 3 1 3 1 3 1 3 1 2 1 2 1 5 1 3 1 4 1 2 1 3 2 5 1 2 2 4 2 3 1 2 1 1 1 3 1 5 1 1 1 4 1 5 1 4 1 5 2 3 1 3 1 1 1 3 2 5 2 5 1 1 1 1 1 2 4 2 4 3 5 1 3 2 4 2 3 2 3 2 3 1 3 1 2 2 2 1 2 3 1 2 5 1 2 2 1 2 3 2 3 1 3 2 2 3 1 2 5 2 4 1 2 2 4 2 3 1 3 3 1 2 3 1 2 2 4 2 1 2 3 2 5 3 1 3 4 4 2 3 3 3 5 2 5 3 4 ...

output:

4

result:

ok single line: '4'

Test #52:

score: 12
Accepted
time: 4ms
memory: 33360kb

input:

500
1 1 1 1 2 1 5 1 4 1 1 1 1 1 4 1 2 1 5 1 5 1 2 1 1 1 2 1 4 2 1 1 4 1 2 1 3 1 2 1 2 1 1 2 5 1 5 2 2 1 3 1 3 1 3 1 1 1 1 1 4 1 1 1 4 1 2 1 3 1 1 1 1 1 1 2 4 2 1 2 4 2 5 1 5 1 5 1 2 1 5 1 5 1 1 1 2 1 4 1 5 2 4 1 1 1 3 2 4 1 3 1 4 1 2 2 2 2 2 1 4 2 1 2 1 2 2 3 1 4 4 2 3 3 4 2 2 3 5 2 5 2 1 2 1 2 4 1 ...

output:

4

result:

ok single line: '4'

Subtask #4:

score: 18
Accepted

Test #53:

score: 18
Accepted
time: 4ms
memory: 31852kb

input:

500
2 1 12 3 13 13 7 9 7 3 14 10 9 13 6 3 9 1 10 10 7 13 6 9 10 13 3 7 15 12 14 4 1 5 4 3 8 7 3 14 5 1 6 13 1 3 4 10 5 8 3 6 2 4 10 1 13 5 6 13 12 10 14 15 8 9 13 10 9 14 4 9 13 12 4 7 12 4 2 14 6 12 5 4 6 12 13 6 2 12 10 5 6 5 1 1 5 1 5 12 11 3 6 13 11 10 1 8 14 9 5 5 15 1 15 3 15 10 4 6 9 14 1 5 1...

output:

10

result:

ok single line: '10'

Test #54:

score: 18
Accepted
time: 2ms
memory: 33532kb

input:

500
13 14 8 6 9 11 5 12 9 13 10 11 2 3 7 15 12 1 11 3 1 10 15 6 4 9 2 10 3 5 3 14 4 12 11 11 4 7 8 4 13 10 6 2 11 15 2 10 12 4 13 5 2 5 2 15 3 14 9 7 1 6 12 15 10 5 6 5 4 7 13 1 12 15 2 15 11 10 15 8 5 12 2 14 11 4 1 12 5 10 13 14 10 10 7 12 10 8 11 13 12 2 11 10 1 14 1 10 6 13 13 7 5 14 3 8 4 10 6 ...

output:

11

result:

ok single line: '11'

Test #55:

score: 18
Accepted
time: 3ms
memory: 32720kb

input:

500
1 7 1 1 1 9 1 8 1 13 1 1 8 1 1 6 1 1 10 1 7 1 1 1 1 15 1 2 1 8 1 2 1 2 2 2 8 2 4 2 2 2 2 6 2 2 2 2 2 2 2 2 2 10 2 2 2 2 2 14 2 2 2 2 9 2 2 6 2 3 3 11 3 3 10 3 3 3 3 3 3 3 1 3 3 3 3 3 3 3 3 3 3 3 3 3 2 3 3 3 3 3 3 3 3 3 3 3 9 3 12 3 1 4 7 4 4 4 4 4 6 4 4 4 12 4 4 5 4 4 4 4 4 4 4 4 4 4 13 4 5 4 5 ...

output:

1

result:

ok single line: '1'

Test #56:

score: 18
Accepted
time: 3ms
memory: 31504kb

input:

499
9 1 6 1 14 1 8 1 4 1 15 1 11 1 7 1 12 1 2 1 4 1 6 1 2 1 15 1 1 1 5 1 13 1 5 1 2 1 15 1 5 2 5 2 9 2 15 2 2 2 3 2 5 2 13 2 9 2 7 2 13 2 11 2 11 3 13 3 15 3 1 3 8 3 1 3 12 3 3 3 12 3 14 3 6 3 9 3 1 3 14 3 8 4 11 4 3 4 5 4 15 4 9 4 9 4 13 4 4 4 8 4 4 4 1 4 6 4 3 4 13 4 14 4 1 4 15 5 7 5 2 5 12 5 15 ...

output:

1

result:

ok single line: '1'

Test #57:

score: 18
Accepted
time: 2ms
memory: 31984kb

input:

500
6 1 7 1 1 2 2 10 2 1 1 1 14 2 9 1 1 12 2 8 2 1 1 14 3 5 1 2 2 12 3 8 1 1 3 3 2 13 4 2 1 11 1 13 2 1 4 3 2 2 12 1 2 12 3 12 2 4 10 1 10 2 9 2 11 2 2 2 9 2 1 2 4 3 15 2 3 14 3 2 2 7 4 3 11 2 9 3 9 3 4 13 3 7 3 11 3 3 4 6 5 3 5 15 3 3 4 3 2 4 4 4 3 4 14 4 6 3 4 5 5 4 4 4 3 5 6 4 6 5 4 6 5 15 5 11 4...

output:

4

result:

ok single line: '4'

Test #58:

score: 18
Accepted
time: 2ms
memory: 33168kb

input:

500
4 10 1 3 2 3 12 1 6 4 5 2 1 3 2 11 7 11 1 2 2 13 2 2 4 3 5 4 5 1 6 4 6 1 10 4 2 4 1 15 6 5 5 8 7 1 1 1 7 6 9 4 9 7 8 11 2 15 13 1 1 1 5 9 4 7 3 7 6 6 6 4 11 1 3 7 5 6 9 15 3 6 1 8 15 4 9 7 7 1 2 3 2 4 4 3 9 1 4 8 10 9 4 7 11 2 1 1 9 1 2 1 10 3 6 7 14 2 1 1 1 2 5 4 2 4 7 8 8 2 9 9 8 4 4 14 6 9 1 ...

output:

8

result:

ok single line: '8'

Test #59:

score: 18
Accepted
time: 5ms
memory: 32292kb

input:

500
12 14 3 10 7 6 9 5 3 5 4 3 11 4 5 2 4 11 11 2 10 1 2 5 4 9 12 9 10 8 2 6 3 2 5 6 8 8 5 6 8 4 15 5 2 13 2 6 7 4 6 6 8 3 7 5 12 4 9 2 14 8 11 4 11 2 9 2 2 6 1 2 8 5 3 4 1 9 12 6 1 9 10 4 10 14 6 3 2 11 9 3 4 10 12 12 11 14 15 1 1 10 4 4 3 12 1 12 9 3 4 13 7 5 11 5 9 2 13 14 8 2 4 6 9 7 11 9 2 12 1...

output:

9

result:

ok single line: '9'

Test #60:

score: 18
Accepted
time: 2ms
memory: 33388kb

input:

500
9 5 6 3 6 1 8 3 8 1 4 3 9 2 10 3 10 1 9 4 9 2 7 7 12 6 1 2 2 3 14 5 1 1 8 3 11 9 6 2 15 4 15 1 7 8 15 2 9 6 2 1 8 9 7 3 10 7 2 10 12 8 8 8 11 2 11 4 3 4 6 1 4 3 9 14 2 2 13 6 5 2 14 7 5 1 3 7 12 1 1 5 13 4 14 10 15 13 6 12 1 2 2 7 2 9 12 3 3 4 8 10 1 6 1 7 2 10 3 6 4 4 11 10 13 7 7 11 2 15 8 3 1...

output:

8

result:

ok single line: '8'

Test #61:

score: 18
Accepted
time: 5ms
memory: 32732kb

input:

500
10 15 4 2 4 11 1 12 6 5 1 13 13 1 9 1 10 1 4 9 7 15 7 13 7 3 14 1 13 14 1 15 9 13 10 8 15 4 8 12 7 9 7 14 10 15 11 5 14 12 14 1 13 10 3 14 15 5 4 6 6 11 9 7 10 6 8 7 4 4 2 10 6 1 15 7 2 15 7 14 11 3 9 7 5 9 4 6 11 7 1 15 10 10 6 5 8 3 8 12 5 9 1 9 2 9 2 1 5 9 6 9 7 1 5 13 3 2 9 3 6 6 5 5 1 6 14 ...

output:

10

result:

ok single line: '10'

Test #62:

score: 18
Accepted
time: 3ms
memory: 33224kb

input:

500
15 15 14 15 15 15 14 13 15 15 13 13 13 15 15 15 15 15 15 14 15 15 15 15 15 14 15 15 15 15 15 13 15 13 15 14 15 15 13 13 12 13 15 12 15 14 13 13 15 15 14 12 15 13 12 15 14 15 12 14 14 15 12 15 13 12 13 12 12 12 13 12 14 15 15 14 13 13 13 12 11 13 13 12 15 15 11 14 12 13 11 15 13 12 13 13 11 11 15...

output:

14

result:

ok single line: '14'

Test #63:

score: 18
Accepted
time: 3ms
memory: 32408kb

input:

500
15 1 9 8 1 6 7 9 9 9 9 9 9 9 13 13 9 9 10 9 9 9 9 9 9 11 9 9 12 6 15 9 12 4 6 9 9 2 9 12 8 9 9 9 1 9 12 9 15 13 5 1 9 15 9 8 9 1 14 11 14 9 14 9 9 9 11 7 9 9 2 10 9 5 11 8 9 9 4 9 9 9 9 9 8 9 1 9 2 8 9 14 2 8 9 9 4 9 1 4 1 9 9 8 3 5 9 11 9 9 9 9 9 9 8 1 9 9 9 1 9 9 11 12 15 9 9 9 10 3 9 9 9 9 9 ...

output:

8

result:

ok single line: '8'

Test #64:

score: 18
Accepted
time: 3ms
memory: 33528kb

input:

500
8 3 15 8 8 15 8 8 8 8 8 3 3 8 8 8 4 8 8 8 4 8 8 8 15 8 8 8 8 8 8 8 8 8 8 1 8 8 8 8 8 8 8 8 8 8 8 6 8 8 8 8 8 8 8 8 8 8 8 8 8 15 8 3 8 8 8 8 8 8 8 10 8 14 8 8 8 6 2 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 10 11 8 8 8 4 8 2 8 8 8 8 8 8 8 8 8 8 8 14 8 8 8 8 3 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 9 8 15 8 ...

output:

4

result:

ok single line: '4'

Test #65:

score: 18
Accepted
time: 4ms
memory: 32288kb

input:

500
6 3 5 6 3 6 6 6 3 6 6 3 3 6 6 3 4 6 6 3 3 3 3 6 14 6 3 3 6 6 6 3 6 3 6 6 3 6 3 6 3 6 3 11 6 3 3 6 5 10 15 3 6 3 6 6 6 6 6 3 3 3 3 3 3 6 6 6 6 3 3 12 6 3 3 6 6 6 6 3 6 3 6 3 3 6 6 3 5 3 3 3 3 6 4 6 6 6 6 6 3 6 6 6 3 3 3 3 3 3 3 3 6 3 2 6 3 3 6 3 3 6 3 3 6 3 3 6 6 6 6 3 3 15 9 3 6 3 6 6 3 6 3 3 3 ...

output:

4

result:

ok single line: '4'

Test #66:

score: 18
Accepted
time: 4ms
memory: 32252kb

input:

15
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

output:

7

result:

ok single line: '7'

Test #67:

score: 18
Accepted
time: 3ms
memory: 32700kb

input:

30
1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15

output:

1

result:

ok single line: '1'

Test #68:

score: 18
Accepted
time: 4ms
memory: 32720kb

input:

30
15 15 14 14 13 13 12 12 11 11 10 10 9 9 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1

output:

15

result:

ok single line: '15'

Test #69:

score: 18
Accepted
time: 3ms
memory: 33120kb

input:

495
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 ...

output:

1

result:

ok single line: '1'

Test #70:

score: 18
Accepted
time: 3ms
memory: 32288kb

input:

495
15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13...

output:

15

result:

ok single line: '15'

Test #71:

score: 18
Accepted
time: 3ms
memory: 25964kb

input:

2
15 15

output:

1

result:

ok single line: '1'

Test #72:

score: 18
Accepted
time: 3ms
memory: 25796kb

input:

500
15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15...

output:

1

result:

ok single line: '1'

Subtask #5:

score: 26
Accepted

Test #73:

score: 26
Accepted
time: 19ms
memory: 34400kb

input:

500000
13 6 2 6 3 6 13 5 9 8 4 12 10 7 1 7 10 14 15 15 1 9 4 4 1 14 3 8 13 2 8 11 14 14 4 13 8 9 13 14 9 7 3 15 7 7 1 11 11 11 2 13 11 15 3 4 8 12 9 4 10 4 10 13 4 9 14 11 7 13 10 4 9 14 12 14 11 5 7 6 14 1 6 14 10 9 2 14 8 8 8 9 7 1 15 3 11 3 3 5 13 1 15 7 4 7 15 3 15 14 14 2 4 12 5 13 12 11 3 1 12...

output:

15

result:

ok single line: '15'

Test #74:

score: 26
Accepted
time: 16ms
memory: 35136kb

input:

500000
8 7 9 12 2 7 1 11 10 12 14 3 1 4 10 12 8 12 7 14 2 3 4 8 3 8 14 13 4 10 6 10 6 10 6 12 7 2 3 4 9 13 13 2 2 8 9 6 2 1 9 3 9 6 3 8 12 3 4 7 2 6 12 12 4 9 3 15 1 7 2 1 9 14 2 8 12 6 14 6 6 10 2 15 2 14 11 1 1 2 13 9 1 14 2 5 2 13 1 9 15 7 3 12 10 10 5 13 8 9 6 6 8 9 4 8 1 2 10 13 4 7 15 9 4 14 7...

output:

15

result:

ok single line: '15'

Test #75:

score: 26
Accepted
time: 10ms
memory: 32860kb

input:

500000
1 6 1 1 1 1 1 1 1 4 1 9 1 1 1 1 1 1 1 1 1 1 10 1 1 11 1 1 1 10 1 13 1 1 1 1 6 1 1 1 1 9 1 1 1 1 14 1 1 1 4 1 1 11 1 1 7 1 12 1 1 1 8 1 1 1 3 1 1 1 1 15 1 1 1 1 11 1 8 1 1 1 1 1 8 1 1 1 1 8 1 1 1 1 1 1 1 1 1 7 1 1 1 1 1 11 1 13 1 1 1 13 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 5 1 1 10 1 1 1 1 1 ...

output:

1

result:

ok single line: '1'

Test #76:

score: 26
Accepted
time: 17ms
memory: 34996kb

input:

499999
3 1 10 1 14 1 13 1 11 1 11 1 2 1 2 1 5 1 4 1 10 1 5 1 3 1 1 1 5 1 5 1 9 1 11 1 9 1 10 1 9 1 2 1 5 1 2 1 14 1 4 1 4 1 4 1 10 1 1 1 3 1 15 1 2 1 4 1 1 1 2 1 4 1 14 1 6 1 5 1 8 1 7 1 13 1 9 1 1 1 13 1 15 1 5 1 5 1 4 1 12 1 2 1 4 1 5 1 8 1 12 1 9 1 10 1 9 1 12 1 12 1 2 1 10 1 3 1 2 1 7 1 2 1 14 1...

output:

1

result:

ok single line: '1'

Test #77:

score: 26
Accepted
time: 17ms
memory: 34556kb

input:

500000
1 1 1 9 1 1 3 1 1 2 1 1 1 1 1 1 1 13 1 12 1 4 1 3 1 12 1 8 1 1 12 1 1 1 6 1 6 1 15 1 11 1 1 1 13 1 1 8 1 1 1 1 5 1 6 1 1 14 1 13 1 5 1 6 1 1 1 1 1 8 1 12 1 8 1 13 1 8 1 1 1 7 1 12 1 1 1 5 1 12 1 3 1 2 1 5 1 8 1 1 1 12 1 13 1 13 1 1 12 1 8 1 9 1 1 14 1 10 1 12 1 14 1 1 1 8 1 3 1 1 1 1 1 10 1 1...

output:

2

result:

ok single line: '2'

Test #78:

score: 26
Accepted
time: 28ms
memory: 34272kb

input:

500000
1 1 1 1 1 1 9 1 1 6 1 1 1 1 1 1 1 1 1 1 1 13 1 1 1 1 1 1 1 1 1 1 1 1 15 1 1 1 1 10 1 1 1 12 1 1 1 1 6 1 1 1 1 1 1 1 6 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 9 1 1 1 1 11 1 1 1 1 1 1 10 1 1 1 1 1 1 1 1 1 1 1 1 1 10 1 1 2 1 1 1 1 1 1 12 1 1 1 1 1 1 1 1 1 1 1 10 1 1 1 1 6 1 1 1 1 1 1 1 1 1 1 1 ...

output:

10

result:

ok single line: '10'

Test #79:

score: 26
Accepted
time: 21ms
memory: 34956kb

input:

500000
9 2 2 1 9 1 12 1 5 1 15 2 4 1 1 1 14 1 11 1 11 1 11 1 9 1 6 1 13 1 4 1 9 1 5 1 9 1 14 1 1 2 10 1 8 1 2 1 9 1 5 1 6 1 3 1 15 1 2 1 8 2 4 1 3 1 2 1 2 1 5 2 14 1 1 1 7 1 4 1 6 1 5 1 8 1 14 1 12 1 9 1 8 1 11 1 8 2 8 1 8 1 3 1 14 1 9 1 12 1 12 1 12 1 11 1 13 1 3 1 6 1 4 1 3 1 5 1 10 1 8 1 8 2 7 2 ...

output:

13

result:

ok single line: '13'

Test #80:

score: 26
Accepted
time: 28ms
memory: 34292kb

input:

500000
4 1 8 1 2 1 11 1 9 1 3 1 14 2 1 1 9 1 11 1 4 1 13 1 8 1 15 1 8 1 13 1 15 1 12 1 9 1 12 1 13 1 1 1 11 1 8 1 14 1 8 1 14 1 5 1 6 1 4 1 5 1 7 1 3 1 9 1 5 1 15 1 1 1 12 1 2 1 9 1 3 1 11 1 4 1 5 1 14 1 14 1 9 1 2 1 8 1 9 1 7 1 8 1 2 1 14 1 8 1 11 1 6 1 15 1 4 1 2 1 12 1 9 1 15 1 5 1 6 1 1 1 2 1 14...

output:

10

result:

ok single line: '10'

Test #81:

score: 26
Accepted
time: 19ms
memory: 33772kb

input:

500000
14 2 8 1 1 1 8 1 3 1 11 1 15 1 11 2 7 2 11 1 15 1 11 1 1 2 11 1 10 1 10 1 5 1 12 1 2 1 2 3 2 1 6 1 9 1 7 1 8 1 8 1 4 2 8 3 14 1 6 1 6 1 9 1 7 1 5 2 2 1 13 1 6 1 5 4 12 3 5 1 3 1 5 1 6 1 8 1 13 1 11 1 13 1 3 1 4 2 1 1 12 2 12 2 7 1 2 1 4 1 12 1 11 2 6 3 6 1 11 1 10 1 6 1 4 1 3 1 3 1 11 1 3 1 4...

output:

15

result:

ok single line: '15'

Test #82:

score: 26
Accepted
time: 14ms
memory: 33900kb

input:

500000
15 15 15 14 13 15 15 15 15 15 13 15 15 15 15 15 14 15 14 15 15 13 15 15 14 15 13 15 15 15 14 15 13 13 15 14 15 15 15 15 14 15 15 14 13 15 15 15 15 15 15 13 15 14 14 15 13 15 15 15 15 15 15 13 14 15 15 15 15 13 14 13 15 14 14 15 15 15 15 13 14 15 15 14 15 15 15 13 15 15 15 13 13 14 15 15 14 15...

output:

15

result:

ok single line: '15'

Test #83:

score: 26
Accepted
time: 15ms
memory: 35268kb

input:

500000
8 7 11 7 7 6 7 13 7 11 2 7 7 7 11 15 13 11 9 3 4 5 7 7 9 11 7 7 5 4 8 7 7 7 7 2 12 13 5 1 4 4 7 7 4 14 5 7 7 7 6 4 1 8 10 13 7 7 7 7 15 7 9 6 4 9 15 7 5 7 3 7 7 4 7 7 11 6 8 6 7 7 7 7 3 7 1 10 2 7 6 7 11 7 7 8 4 5 15 11 7 15 7 7 11 2 9 7 14 7 6 7 7 1 4 7 14 6 7 7 1 2 1 7 7 13 7 1 7 6 15 7 9 6...

output:

15

result:

ok single line: '15'

Test #84:

score: 26
Accepted
time: 18ms
memory: 32976kb

input:

500000
2 2 2 2 4 2 2 2 1 1 2 2 2 2 2 2 6 2 10 11 2 10 2 2 2 2 2 11 2 2 11 15 2 2 2 5 2 7 2 2 2 2 10 2 12 2 2 2 2 2 2 2 2 2 2 2 2 2 2 11 2 2 2 2 9 2 2 2 15 2 1 2 2 2 2 2 2 2 2 5 3 8 2 2 2 2 2 2 2 2 11 2 2 2 2 2 2 2 13 2 2 2 2 2 2 2 2 9 2 2 12 2 15 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2...

output:

15

result:

ok single line: '15'

Test #85:

score: 26
Accepted
time: 19ms
memory: 32756kb

input:

500000
13 1 13 1 1 13 13 13 1 1 13 13 13 1 13 1 1 1 1 1 13 13 4 13 1 13 1 13 13 1 13 1 13 3 13 1 10 13 13 13 13 1 1 1 13 13 1 11 1 1 13 13 1 1 1 13 5 13 1 13 1 13 13 13 1 13 1 13 1 1 1 1 7 13 1 1 8 1 1 13 13 13 9 13 13 13 13 1 1 1 1 1 1 13 1 1 1 13 13 1 15 13 1 13 3 13 13 13 13 6 2 13 13 13 13 1 13 ...

output:

15

result:

ok single line: '15'

Test #86:

score: 26
Accepted
time: 9ms
memory: 32044kb

input:

499995
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...

output:

1

result:

ok single line: '1'

Test #87:

score: 26
Accepted
time: 6ms
memory: 31908kb

input:

499995
15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15...

output:

15

result:

ok single line: '15'

Test #88:

score: 26
Accepted
time: 8ms
memory: 25728kb

input:

500000
15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15...

output:

1

result:

ok single line: '1'

Test #89:

score: 26
Accepted
time: 22ms
memory: 34088kb

input:

500000
4 1 9 1 9 1 10 1 10 1 4 1 15 1 4 1 6 1 14 1 2 1 1 1 13 1 10 1 1 1 4 1 12 1 2 1 14 1 10 1 8 1 13 1 10 1 15 1 14 1 2 1 8 1 5 1 3 1 4 1 9 1 6 1 15 1 9 1 3 1 15 1 3 1 13 1 9 1 13 1 14 1 14 1 8 1 12 1 11 1 10 1 3 1 4 1 1 2 12 1 11 1 3 1 11 1 6 1 4 1 7 1 13 1 13 1 8 1 14 1 12 1 6 1 4 1 15 1 2 1 7 1...

output:

12

result:

ok single line: '12'

Test #90:

score: 26
Accepted
time: 23ms
memory: 34052kb

input:

500000
14 1 6 2 6 1 8 1 11 1 14 1 1 1 8 1 15 1 12 1 14 1 13 2 12 1 1 1 6 1 9 1 15 1 4 1 2 1 12 2 7 1 2 1 8 2 4 1 13 2 14 2 14 1 10 1 14 1 3 1 2 1 14 1 6 1 1 2 13 1 8 1 10 1 2 1 11 1 14 1 6 1 4 2 7 1 10 1 15 1 7 1 8 1 1 1 4 1 12 1 13 1 13 1 1 1 8 1 12 1 7 2 10 1 3 1 3 1 12 1 8 2 11 1 4 1 1 1 14 1 15 ...

output:

13

result:

ok single line: '13'

Test #91:

score: 26
Accepted
time: 8ms
memory: 32156kb

input:

500000
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15...

output:

14

result:

ok single line: '14'

Test #92:

score: 26
Accepted
time: 7ms
memory: 32532kb

input:

500000
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15...

output:

12

result:

ok single line: '12'

Subtask #6:

score: 10
Accepted

Test #93:

score: 10
Accepted
time: 63ms
memory: 34992kb

input:

500000
18 13 10 17 5 21 13 19 14 14 11 5 11 21 9 15 1 12 4 17 10 18 14 10 1 14 8 15 6 10 7 13 17 12 7 2 11 20 12 8 13 21 3 1 1 5 15 8 9 14 15 15 12 12 15 7 21 12 1 8 7 20 2 1 12 18 4 4 17 1 1 6 12 6 21 12 7 11 17 5 5 19 7 21 21 16 13 17 5 16 19 14 3 3 5 4 15 2 21 12 20 21 1 2 16 15 5 17 12 4 11 19 1...

output:

21

result:

ok single line: '21'

Test #94:

score: 10
Accepted
time: 40ms
memory: 35492kb

input:

500000
3 14 11 18 13 6 14 19 1 3 13 2 11 10 21 7 17 20 5 7 7 9 10 8 7 5 2 10 19 12 5 16 21 15 15 1 9 21 5 18 2 20 9 2 5 21 12 15 9 9 17 9 13 8 18 11 16 16 19 5 18 9 3 1 1 3 15 3 6 17 3 2 20 3 1 10 15 20 16 4 2 1 4 19 8 6 7 10 3 10 11 21 10 8 21 14 6 4 4 11 9 21 4 10 21 13 16 6 10 2 15 17 11 21 10 6 ...

output:

21

result:

ok single line: '21'

Test #95:

score: 10
Accepted
time: 15ms
memory: 33692kb

input:

500000
1 1 1 14 1 1 14 1 1 1 1 1 1 1 1 1 1 12 1 1 1 1 13 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 12 1 1 1 12 1 1 1 1 1 1 1 1 1 5 1 1 1 20 1 1 1 1 1 1 1 1 1 1 1 1 1 6 1 1 1 1 1 1 1 1 17 1 3 1 1 1 1 13 1 1 1 1 1 17 1 1 1 1 1 1 1 1 1 1 4 1 1 1 1 19 1 5 1 1 11 1 1 1 1 1 15 1 16 1 1 1 8 1 1 17 1 1 1 20 1 1 1 1 1 1...

output:

1

result:

ok single line: '1'

Test #96:

score: 10
Accepted
time: 17ms
memory: 33684kb

input:

499999
7 1 12 1 5 1 16 1 16 1 7 1 1 1 13 1 12 1 12 1 9 1 6 1 7 1 12 1 8 1 4 1 18 1 21 1 5 1 21 1 10 1 19 1 16 1 6 1 9 1 17 1 17 1 5 1 5 1 17 1 19 1 1 1 2 1 4 1 20 1 14 1 4 1 12 1 9 1 11 1 9 1 2 1 1 1 17 1 16 1 14 1 15 1 8 1 4 1 15 1 21 1 11 1 16 1 13 1 14 1 8 1 8 1 2 1 9 1 9 1 19 1 17 1 17 1 21 1 8 ...

output:

1

result:

ok single line: '1'

Test #97:

score: 10
Accepted
time: 19ms
memory: 35348kb

input:

500000
18 1 1 1 14 1 1 5 1 15 1 5 1 8 1 12 1 13 1 17 1 1 1 7 1 17 1 15 1 3 1 1 12 1 11 1 7 1 18 1 8 1 14 1 1 16 1 18 1 20 1 8 1 1 12 1 1 11 1 16 1 21 1 5 1 1 1 1 1 4 1 14 1 8 1 8 1 1 5 1 6 1 2 1 7 1 2 1 1 1 1 1 21 1 20 1 19 1 6 1 6 1 1 3 1 13 1 1 1 21 1 2 1 17 1 1 3 1 6 1 2 1 13 1 1 6 1 20 1 16 1 9 ...

output:

2

result:

ok single line: '2'

Test #98:

score: 10
Accepted
time: 67ms
memory: 34188kb

input:

500000
1 1 1 1 1 1 1 8 2 2 1 1 2 1 1 1 1 1 1 1 1 2 1 14 1 1 1 1 1 1 1 1 1 1 1 20 1 1 1 1 1 1 1 1 1 1 1 2 1 9 1 1 1 1 10 1 1 15 1 1 1 1 15 1 1 14 1 21 1 1 3 1 15 1 1 11 1 2 1 1 1 1 1 1 1 1 1 1 1 2 1 15 1 1 2 21 1 1 1 1 1 1 5 1 1 6 1 1 1 1 1 4 1 2 3 1 2 1 1 1 1 1 3 1 15 1 1 1 2 1 1 3 1 1 1 1 1 1 1 1 1...

output:

15

result:

ok single line: '15'

Test #99:

score: 10
Accepted
time: 76ms
memory: 33968kb

input:

500000
13 2 6 1 6 1 4 1 10 1 2 1 20 1 13 3 7 1 5 1 4 1 7 1 2 1 19 1 8 1 17 1 15 1 2 2 3 1 18 1 2 1 12 4 10 2 21 1 10 1 2 1 20 1 17 1 3 1 19 1 9 1 11 1 13 1 12 2 15 2 7 1 10 1 21 1 15 1 16 2 13 1 1 2 15 1 1 1 21 2 5 1 19 1 17 2 15 1 18 1 21 5 1 1 8 3 10 1 18 1 15 1 4 1 8 1 11 2 21 1 19 3 4 1 19 1 15 ...

output:

19

result:

ok single line: '19'

Test #100:

score: 10
Accepted
time: 87ms
memory: 34536kb

input:

500000
15 1 14 1 12 1 18 1 2 1 21 1 10 1 2 1 12 1 19 1 21 1 19 1 16 1 16 1 3 1 4 1 20 1 4 1 8 1 7 2 10 1 5 1 11 1 21 1 9 1 17 1 16 1 11 1 9 1 21 1 1 1 15 1 19 2 11 1 9 1 2 2 3 1 12 1 4 1 1 1 2 1 9 1 15 1 17 2 19 1 21 1 12 1 5 1 19 1 15 1 5 1 1 1 14 1 12 1 12 1 12 1 4 1 1 1 14 1 20 2 6 1 15 1 17 1 2 ...

output:

16

result:

ok single line: '16'

Test #101:

score: 10
Accepted
time: 50ms
memory: 34104kb

input:

500000
21 3 19 1 17 1 10 2 17 1 14 2 12 4 2 2 11 1 11 2 16 1 17 2 19 1 15 2 3 1 21 5 12 1 3 2 16 3 12 1 11 8 13 1 16 1 20 2 12 1 19 1 14 1 7 1 2 2 21 1 4 4 17 2 2 2 12 1 9 2 12 2 19 1 9 1 7 4 20 1 13 2 17 2 7 1 4 2 14 2 10 1 20 3 18 1 15 1 15 3 17 1 3 2 17 1 6 1 13 2 17 10 21 3 9 3 13 2 7 4 19 1 4 1...

output:

21

result:

ok single line: '21'

Test #102:

score: 10
Accepted
time: 75ms
memory: 33576kb

input:

500000
19 1 1 1 7 1 19 1 9 1 10 1 15 1 20 1 16 5 6 2 8 1 9 1 17 1 16 2 7 1 15 1 4 4 10 1 6 1 9 1 3 1 4 1 17 1 7 1 21 1 1 1 4 1 5 2 21 3 17 1 1 1 3 1 6 1 18 1 11 1 17 3 17 2 19 1 3 1 7 3 12 1 17 2 10 1 8 1 11 1 17 1 18 1 3 1 17 2 11 1 13 2 8 2 14 2 12 4 16 1 7 3 9 1 4 1 4 1 15 1 18 1 10 1 6 1 14 3 13...

output:

18

result:

ok single line: '18'

Test #103:

score: 10
Accepted
time: 81ms
memory: 35016kb

input:

500000
10 1 20 2 11 1 19 1 3 1 21 2 6 1 10 1 2 1 12 1 9 1 21 1 7 3 16 1 3 1 20 1 10 2 14 2 20 2 3 2 6 2 5 1 6 1 17 1 3 3 3 2 19 2 6 1 4 1 8 1 3 1 12 3 6 1 11 1 14 1 2 1 14 1 8 2 11 1 11 2 13 1 10 1 9 1 16 1 15 2 19 2 1 2 8 2 17 1 19 2 13 2 7 1 6 1 18 2 16 1 9 2 17 1 11 2 14 2 13 4 21 2 4 1 12 4 3 1 ...

output:

19

result:

ok single line: '19'

Test #104:

score: 10
Accepted
time: 105ms
memory: 33592kb

input:

500000
2 2 19 1 6 1 16 1 17 1 1 1 8 3 11 1 6 1 8 1 19 1 1 1 7 1 2 1 18 2 14 1 11 1 9 1 1 3 7 1 16 1 2 1 14 1 18 1 15 1 6 1 16 1 13 2 12 1 16 2 2 1 1 2 7 1 21 1 16 1 5 1 8 1 7 2 1 2 8 1 12 3 4 1 7 1 8 1 20 1 18 1 12 1 11 1 18 1 2 1 7 2 17 1 13 1 5 1 2 3 12 1 3 1 3 1 6 1 9 1 7 1 2 1 19 1 18 1 10 1 17 ...

output:

18

result:

ok single line: '18'

Test #105:

score: 10
Accepted
time: 17ms
memory: 35148kb

input:

500000
21 21 20 21 20 21 21 18 21 19 20 21 21 19 21 21 20 21 21 21 21 19 19 21 21 21 21 21 20 20 20 21 21 20 21 18 21 20 18 19 19 21 21 20 21 19 21 21 21 21 20 21 19 21 21 18 18 18 21 18 19 21 21 21 21 18 21 21 19 21 18 19 21 19 19 19 21 20 21 19 18 20 21 19 21 21 18 21 21 18 18 21 21 21 21 21 21 21...

output:

21

result:

ok single line: '21'

Test #106:

score: 10
Accepted
time: 83ms
memory: 35504kb

input:

500000
6 14 14 14 17 2 14 14 14 14 12 11 20 17 14 14 14 2 14 8 7 6 2 14 13 14 14 14 14 14 14 14 1 14 14 14 1 14 14 14 14 1 14 4 14 15 14 14 13 12 2 4 3 1 14 14 17 13 1 14 8 14 14 14 16 14 14 21 14 16 1 14 17 16 19 14 14 19 14 14 14 14 11 20 14 14 18 17 14 14 14 13 12 14 14 5 14 21 4 14 14 2 14 17 14...

output:

21

result:

ok single line: '21'

Test #107:

score: 10
Accepted
time: 235ms
memory: 33932kb

input:

500000
9 9 9 9 9 10 9 9 21 9 9 6 9 9 9 9 9 6 9 9 9 9 9 9 9 9 9 9 12 9 9 9 9 6 9 9 8 20 6 9 9 21 9 9 9 9 20 9 9 9 9 9 9 9 3 9 9 9 9 9 9 9 9 19 9 9 9 9 11 9 9 9 9 5 15 11 9 9 9 9 9 9 9 9 9 20 9 20 9 9 9 5 9 9 9 9 9 9 9 4 9 9 9 9 9 9 9 9 9 9 9 9 9 9 14 2 9 16 10 9 11 16 9 9 9 9 16 9 9 19 9 4 9 2 9 9 9 ...

output:

21

result:

ok single line: '21'

Test #108:

score: 10
Accepted
time: 1495ms
memory: 35272kb

input:

500000
20 16 16 16 16 16 16 19 5 16 5 16 16 5 5 5 16 16 16 5 16 16 5 6 5 5 16 16 18 16 5 16 16 16 16 16 5 5 16 5 5 16 5 5 16 5 5 16 16 5 16 7 16 5 16 5 16 5 5 20 12 9 16 16 5 16 17 16 7 16 5 5 16 5 16 5 16 5 16 16 5 16 16 5 5 5 16 5 16 16 16 5 5 16 5 5 16 5 16 16 16 5 5 16 5 5 5 16 16 5 16 5 5 5 6 1...

output:

19

result:

ok single line: '19'

Test #109:

score: 10
Accepted
time: 3ms
memory: 32628kb

input:

21
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21

output:

1

result:

ok single line: '1'

Test #110:

score: 10
Accepted
time: 3ms
memory: 31952kb

input:

21
21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

output:

10

result:

ok single line: '10'

Test #111:

score: 10
Accepted
time: 4ms
memory: 32200kb

input:

42
1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 21 21

output:

1

result:

ok single line: '1'

Test #112:

score: 10
Accepted
time: 3ms
memory: 33180kb

input:

42
21 21 20 20 19 19 18 18 17 17 16 16 15 15 14 14 13 13 12 12 11 11 10 10 9 9 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1

output:

21

result:

ok single line: '21'

Test #113:

score: 10
Accepted
time: 7ms
memory: 32060kb

input:

499989
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...

output:

1

result:

ok single line: '1'

Test #114:

score: 10
Accepted
time: 8ms
memory: 33336kb

input:

499989
21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21...

output:

21

result:

ok single line: '21'

Test #115:

score: 10
Accepted
time: 10ms
memory: 25416kb

input:

500000
21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21...

output:

1

result:

ok single line: '1'

Test #116:

score: 10
Accepted
time: 8ms
memory: 33072kb

input:

500000
21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15...

output:

21

result:

ok single line: '21'

Test #117:

score: 10
Accepted
time: 7ms
memory: 32380kb

input:

500000
21 20 19 18 17 16 15 14 12 11 10 9 8 7 6 5 4 3 2 1 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 ...

output:

19

result:

ok single line: '19'

Test #118:

score: 10
Accepted
time: 14ms
memory: 32860kb

input:

500000
21 20 19 18 17 16 15 14 13 11 10 9 8 7 6 5 4 3 1 18 15 18 15 15 18 18 18 15 18 15 15 18 15 18 15 15 15 18 18 15 18 18 18 18 15 15 15 18 18 15 15 15 18 18 15 15 15 15 18 15 18 15 18 15 18 15 18 15 15 18 18 18 15 18 15 18 18 15 15 18 18 15 18 15 15 15 15 18 18 18 18 18 15 18 15 18 18 15 15 15 1...

output:

17

result:

ok single line: '17'

Test #119:

score: 10
Accepted
time: 6ms
memory: 33428kb

input:

500000
21 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20...

output:

20

result:

ok single line: '20'

Test #120:

score: 10
Accepted
time: 9ms
memory: 32108kb

input:

500000
21 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20...

output:

19

result:

ok single line: '19'

Test #121:

score: 10
Accepted
time: 6ms
memory: 31732kb

input:

500000
21 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20...

output:

17

result:

ok single line: '17'

Subtask #7:

score: 18
Accepted

Test #122:

score: 18
Accepted
time: 147ms
memory: 49448kb

input:

5000000
13 18 3 21 9 14 1 14 7 16 2 17 21 12 14 1 1 15 15 18 18 16 19 18 2 3 13 5 14 14 13 3 2 9 3 20 7 17 16 14 13 8 21 12 6 3 6 13 2 19 3 5 14 21 3 11 21 10 12 14 3 13 21 13 1 8 8 16 9 10 17 5 17 3 11 10 2 9 15 11 15 13 10 12 6 8 16 21 11 9 15 17 18 1 20 14 16 3 18 5 5 6 12 16 6 7 5 16 11 11 18 16...

output:

21

result:

ok single line: '21'

Test #123:

score: 18
Accepted
time: 148ms
memory: 50244kb

input:

5000000
5 21 15 12 8 17 15 17 10 15 1 1 2 9 17 3 14 6 7 5 16 19 12 7 7 14 18 15 14 9 13 3 20 4 2 8 14 8 10 5 4 20 10 7 17 12 2 21 2 19 7 10 17 7 13 12 18 19 17 7 2 6 1 19 12 6 13 16 1 12 19 14 5 3 20 1 7 4 16 6 10 14 5 6 15 6 9 6 9 21 21 21 19 8 1 13 9 19 4 20 5 10 21 16 12 21 9 8 13 2 16 16 19 8 20...

output:

21

result:

ok single line: '21'

Test #124:

score: 18
Accepted
time: 107ms
memory: 45448kb

input:

5000000
1 1 1 1 1 1 9 1 1 7 1 8 1 1 1 1 1 1 1 1 3 1 1 1 1 1 1 11 1 1 1 1 1 1 1 17 1 14 1 1 1 4 1 1 1 11 1 1 20 1 14 1 1 1 1 1 1 1 6 1 1 1 1 1 21 1 1 1 1 1 1 1 1 1 1 7 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 8 1 1 1 1 1 1 19 1 1 1 1 1 1 1 1 1 1 1 1 1 3 1 1 1 15 1 1 11 1 1 1 7 1 1 1 1 1 1 1 1 1 1 1 ...

output:

1

result:

ok single line: '1'

Test #125:

score: 18
Accepted
time: 147ms
memory: 50808kb

input:

4999999
7 1 12 1 20 1 9 1 10 1 3 1 7 1 21 1 14 1 21 1 20 1 4 1 12 1 21 1 21 1 3 1 11 1 20 1 10 1 7 1 11 1 20 1 4 1 18 1 7 1 13 1 15 1 14 1 6 1 8 1 3 1 10 1 7 1 16 1 16 1 11 1 8 1 9 1 15 1 12 1 6 1 14 1 3 1 12 1 16 1 14 1 7 1 9 1 9 1 1 1 19 1 11 1 17 1 16 1 18 1 17 1 9 1 2 1 15 1 14 1 18 1 10 1 14 1 ...

output:

1

result:

ok single line: '1'

Test #126:

score: 18
Accepted
time: 161ms
memory: 50620kb

input:

5000000
18 1 8 1 1 1 20 1 10 1 1 1 1 21 1 17 1 1 15 1 14 1 1 1 1 9 1 2 1 8 1 10 1 4 1 14 1 1 1 14 1 9 1 11 1 4 1 5 1 1 1 1 11 1 13 1 1 14 1 1 1 2 1 7 1 1 1 1 1 1 1 2 1 1 4 1 15 1 1 1 19 1 12 1 19 1 1 2 1 18 1 11 1 1 14 1 15 1 4 1 9 1 13 1 8 1 21 1 2 1 14 1 1 4 1 10 1 1 1 1 5 1 14 1 20 1 3 1 5 1 21 1...

output:

2

result:

ok single line: '2'

Test #127:

score: 18
Accepted
time: 791ms
memory: 50176kb

input:

5000000
1 1 1 1 1 1 11 1 1 1 1 9 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 2 1 1 1 1 1 1 3 1 1 1 1 13 2 1 1 1 1 1 1 14 1 1 1 7 1 3 2 1 1 2 1 1 7 1 1 2 1 1 1 1 1 2 1 2 1 1 8 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 16 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 ...

output:

17

result:

ok single line: '17'

Test #128:

score: 18
Accepted
time: 212ms
memory: 50112kb

input:

5000000
6 1 18 1 1 1 19 1 14 2 3 1 13 2 21 2 2 1 21 1 17 1 5 2 12 1 8 2 3 2 7 1 11 1 21 1 10 1 4 2 2 2 7 2 16 1 11 1 3 1 5 1 20 1 6 1 20 1 8 1 21 1 15 1 19 1 19 1 14 1 10 1 5 1 8 1 14 1 1 4 14 1 13 1 17 1 3 1 7 1 9 2 7 1 8 2 20 1 6 2 18 1 3 2 12 1 3 2 1 1 21 2 21 1 9 1 16 1 12 1 4 2 5 2 20 1 12 1 14...

output:

20

result:

ok single line: '20'

Test #129:

score: 18
Accepted
time: 584ms
memory: 49592kb

input:

5000000
2 1 1 1 13 2 11 1 13 1 2 1 14 1 9 1 17 1 13 1 18 1 10 1 12 1 15 1 16 1 1 1 4 1 19 2 17 1 6 1 21 1 7 2 20 1 17 1 5 1 8 1 11 2 6 1 20 1 19 1 3 1 1 1 2 1 3 1 2 1 5 1 15 1 19 1 11 1 20 1 9 1 8 1 6 1 6 1 3 1 4 1 1 2 8 2 2 1 11 1 4 1 9 1 13 1 1 1 18 1 20 1 20 1 21 1 9 1 4 1 5 1 8 1 6 1 12 1 17 2 3...

output:

17

result:

ok single line: '17'

Test #130:

score: 18
Accepted
time: 180ms
memory: 49572kb

input:

5000000
19 1 10 1 12 1 6 2 18 1 19 2 4 1 21 1 8 2 9 2 8 1 12 4 18 2 21 4 21 2 2 2 14 3 18 1 17 1 9 3 15 1 19 1 8 3 16 2 15 3 19 3 6 3 16 1 4 2 15 1 13 1 10 1 10 1 6 3 3 1 15 2 9 2 13 1 18 3 12 2 7 4 3 2 12 1 16 1 5 1 12 7 16 3 14 2 21 1 2 1 21 1 5 2 19 2 20 1 18 2 5 1 16 2 19 1 5 1 15 1 16 6 1 1 2 1...

output:

21

result:

ok single line: '21'

Test #131:

score: 18
Accepted
time: 122ms
memory: 50208kb

input:

5000000
19 21 21 18 20 21 19 21 18 21 20 21 21 21 21 20 21 21 18 19 18 18 21 20 21 21 21 20 21 21 20 19 21 21 18 18 18 21 18 20 18 21 21 20 21 20 21 20 19 19 21 21 21 18 20 21 21 18 21 21 21 21 18 21 19 19 21 18 21 19 21 20 21 21 19 20 20 20 21 21 21 21 21 21 18 21 21 18 18 21 21 19 20 20 19 20 20 2...

output:

21

result:

ok single line: '21'

Test #132:

score: 18
Accepted
time: 222ms
memory: 49116kb

input:

5000000
4 4 4 4 4 17 12 17 4 4 6 4 10 4 7 4 4 4 4 6 17 19 12 4 4 4 4 4 4 18 11 20 20 12 4 12 16 1 4 19 15 13 3 4 7 4 4 4 6 1 14 19 4 12 13 11 12 4 4 4 4 4 18 1 4 4 4 19 15 12 15 13 4 4 6 4 18 4 20 4 4 4 21 1 4 4 4 4 17 9 4 4 16 4 4 4 9 14 11 4 4 20 17 11 4 4 4 10 7 4 10 10 4 4 12 15 6 4 10 14 4 4 17...

output:

21

result:

ok single line: '21'

Test #133:

score: 18
Accepted
time: 454ms
memory: 43028kb

input:

5000000
14 14 5 17 14 14 14 10 14 14 14 14 14 14 14 14 14 14 14 14 12 14 14 14 14 14 14 14 14 14 13 14 14 12 19 4 14 14 14 14 14 14 14 5 14 14 14 14 19 14 14 4 14 14 14 9 14 20 14 14 14 14 14 16 14 14 14 14 14 14 14 14 14 20 8 14 20 14 14 2 16 14 16 21 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14...

output:

21

result:

ok single line: '21'

Test #134:

score: 18
Accepted
time: 1153ms
memory: 50464kb

input:

5000000
14 3 9 3 3 3 9 9 9 3 9 3 3 3 9 3 3 9 3 7 3 3 3 9 3 12 15 3 9 8 19 9 9 3 3 9 3 3 3 3 9 9 9 21 3 9 3 3 3 9 3 3 3 3 9 9 9 9 9 9 3 9 3 3 10 9 9 9 3 3 1 3 9 9 9 3 9 9 5 14 3 3 3 9 3 3 3 17 3 9 9 9 3 3 9 3 9 9 3 3 3 15 3 9 3 9 9 3 9 9 9 9 3 9 3 9 9 9 9 3 9 3 18 9 3 3 9 3 3 3 9 17 9 9 3 9 9 3 9 3 9...

output:

21

result:

ok single line: '21'

Test #135:

score: 18
Accepted
time: 47ms
memory: 31948kb

input:

4999995
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

output:

1

result:

ok single line: '1'

Test #136:

score: 18
Accepted
time: 44ms
memory: 32824kb

input:

4999995
21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 2...

output:

21

result:

ok single line: '21'

Test #137:

score: 18
Accepted
time: 53ms
memory: 25896kb

input:

5000000
21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 2...

output:

1

result:

ok single line: '1'

Test #138:

score: 18
Accepted
time: 384ms
memory: 49240kb

input:

5000000
9 1 19 1 10 1 20 1 13 1 12 1 16 1 21 1 6 1 5 1 7 1 15 1 18 2 7 1 10 1 2 1 18 1 9 1 13 1 11 2 18 1 17 3 12 1 2 2 3 1 14 1 12 1 19 1 19 2 17 1 1 3 1 1 19 1 7 1 8 1 21 1 15 1 5 1 6 1 1 1 21 1 10 1 19 1 1 2 10 1 16 1 4 1 16 1 15 1 7 1 17 1 21 1 7 1 3 1 13 2 2 1 19 1 20 1 17 1 13 1 10 1 5 2 3 1 2...

output:

19

result:

ok single line: '19'

Test #139:

score: 18
Accepted
time: 242ms
memory: 50756kb

input:

5000000
20 1 21 1 18 1 1 2 7 2 11 1 12 1 9 1 16 1 9 1 17 1 7 1 7 1 15 2 2 1 12 1 21 1 13 1 11 1 18 1 7 3 8 1 3 1 19 1 14 2 6 1 5 1 4 3 11 1 13 1 4 1 4 1 10 1 12 2 19 1 14 1 8 3 20 1 14 1 21 1 7 1 15 1 7 1 14 1 3 1 9 1 14 1 19 1 3 1 3 1 14 2 16 1 4 1 13 2 21 1 9 2 9 1 13 5 7 1 17 1 19 1 6 1 5 1 19 1 ...

output:

20

result:

ok single line: '20'

Test #140:

score: 18
Accepted
time: 52ms
memory: 32036kb

input:

5000000
21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 1...

output:

21

result:

ok single line: '21'

Test #141:

score: 18
Accepted
time: 52ms
memory: 32364kb

input:

5000000
21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 1 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 ...

output:

19

result:

ok single line: '19'

Test #142:

score: 18
Accepted
time: 121ms
memory: 49780kb

input:

5000000
21 19 18 17 16 14 13 12 11 10 9 8 7 6 5 4 3 2 1 5 20 20 5 20 5 5 5 5 20 5 5 5 20 20 20 20 20 5 5 20 20 20 20 5 20 5 20 20 5 5 20 5 5 5 20 20 5 5 5 20 5 5 5 5 5 5 5 20 5 5 20 20 20 5 20 20 20 20 20 20 20 20 20 20 20 20 5 5 20 5 20 20 5 5 5 20 5 5 5 5 5 5 20 20 20 5 5 5 20 5 5 20 5 5 20 5 5 20...

output:

17

result:

ok single line: '17'

Test #143:

score: 18
Accepted
time: 53ms
memory: 33328kb

input:

5000000
21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 2...

output:

18

result:

ok single line: '18'

Test #144:

score: 18
Accepted
time: 52ms
memory: 32640kb

input:

5000000
21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 2...

output:

16

result:

ok single line: '16'

Test #145:

score: 18
Accepted
time: 119ms
memory: 50520kb

input:

5000000
21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 21 6 6 6 6 6 21 21 6 21 21 21 21 6 21 6 21 6 6 6 6 21 6 6 21 21 6 21 6 21 6 21 6 21 6 6 6 21 21 6 21 21 21 6 21 6 6 21 21 6 21 6 21 21 6 21 21 6 6 6 21 6 6 6 21 21 21 6 21 6 6 21 6 6 21 6 21 6 6 6 6 21 21 6 6 6 21 21 21 6 21 6 21 21 6 21 ...

output:

16

result:

ok single line: '16'

Extra Test:

score: 0
Extra Test Passed