QOJ.ac

QOJ

ID题目提交者结果用时内存语言文件大小提交时间测评时间
#886391#10052. Just Long Neckties 2Matutino100 ✓636ms483756kbC++171.8kb2025-02-06 23:37:022025-02-06 23:37:03

Judging History

This is the latest submission verdict.

  • [2025-02-06 23:37:03]
  • Judged
  • Verdict: 100
  • Time: 636ms
  • Memory: 483756kb
  • [2025-02-06 23:37:02]
  • Submitted

answer

#include<bits/stdc++.h>
#define reg register
// #define int long long
inline int read(){
    reg int x=0,k=1; reg char ch=getchar();
    while (ch<'0'||ch>'9') (ch=='-')&&(k=-1),ch=getchar();
    while (ch>='0'&&ch<='9') x=x*10+ch-'0',ch=getchar();
    return x*k;
}
inline int min(reg int x,reg int y){return x<y?x:y;}
inline bool cmax(reg int &x,reg int y){return x<y?x=y,1:0;}
inline bool cmin(reg int &x,reg int y){return x>y?x=y,1:0;}
const int M=5e6+10,B=20,N=1<<21|10;
int n,a[M],m,f[N],nxt[M/B+3][21][21],bel[M],L[M/B+3],R[M/B+3],vis[21][21];
inline void trans(reg int s,reg int x){
	// std::cerr<<"trans "<<s<<" "<<x<<"\n";
	if (x>n) return;
	if (s>>a[x]&1) return cmax(f[s],x),void();
	reg int b=-1;
	for (reg int i=a[x]-1;i>=0;i--) if (s>>i&1){b=i;break;}
	if (b!=-1) s^=1<<b; s^=1<<a[x]; cmax(f[s],x);
}
signed main(){
	n=read();
	for (reg int i=1;i<=n;i++) a[i]=read(),cmax(m,a[i]),a[i]--;
	for (reg int i=1;i<n;i++) bel[i]=(i-1)/B+1,R[bel[i]]=i;
	for (reg int i=n-1;i;i--) L[bel[i]]=i; bel[n]=bel[n-1];
	for (reg int x=0;x<m;x++) for (reg int y=0;y<m;y++) nxt[bel[n-1]+1][x][y]=vis[x][y]=n-1;
	for (reg int i=n-1;i;i--){
		if (L[bel[i]]==i) for (reg int x=0;x<m;x++) for (reg int y=0;y<m;y++) nxt[bel[i]][x][y]=vis[x][y];
		vis[a[i]][a[i+1]]=i-1;
	}
	for (reg int s=0;s<1<<m;s++){
		reg int lim=n-1,pr=R[bel[f[s]]];
		std::vector<int> vc;
		for (reg int i=0;i<m;i++) if (~s>>i&1) vc.push_back(i);
		for (auto x:vc) for (auto y:vc) cmin(lim,nxt[bel[f[s]]+1][x][y]);
		while (f[s]<=min(n-2,pr)&&((s>>a[f[s]+1]&1)||(s>>a[f[s]+2]&1))) f[s]++;
		// std::cerr<<s<<" "<<f[s]<<" "<<pr<<" "<<lim<<"\n";
		if (f[s]>pr) f[s]=lim;
		trans(s,f[s]+1),trans(s,f[s]+2);
	}
	reg int ans=m+1;
	for (reg int s=0;s<1<<m;s++) if (f[s]>=n-1) cmin(ans,__builtin_popcount(s));
	printf("%d\n",ans);
	return 0;
}  

详细

Subtask #1:

score: 10
Accepted

Test #1:

score: 10
Accepted
time: 215ms
memory: 12116kb

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: 222ms
memory: 12120kb

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: 53ms
memory: 7004kb

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: 220ms
memory: 11860kb

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: 443ms
memory: 16052kb

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: 434ms
memory: 11948kb

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: 433ms
memory: 16084kb

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: 3ms
memory: 7976kb

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: 25ms
memory: 8148kb

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: 6ms
memory: 8148kb

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: 438ms
memory: 14044kb

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: 0ms
memory: 8028kb

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: 433ms
memory: 11996kb

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: 430ms
memory: 11992kb

input:

2
21 21

output:

1

result:

ok single line: '1'

Test #15:

score: 10
Accepted
time: 431ms
memory: 12112kb

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: 450ms
memory: 16216kb

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: 219ms
memory: 11988kb

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: 0ms
memory: 8020kb

input:

2
1 1

output:

1

result:

ok single line: '1'

Subtask #2:

score: 6
Accepted

Test #19:

score: 6
Accepted
time: 0ms
memory: 8028kb

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: 0ms
memory: 5988kb

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: 0ms
memory: 5820kb

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: 0ms
memory: 8024kb

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: 0ms
memory: 7892kb

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: 0ms
memory: 8020kb

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: 0ms
memory: 8032kb

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: 1ms
memory: 5976kb

input:

2
1 2

output:

1

result:

ok single line: '1'

Test #27:

score: 6
Accepted
time: 0ms
memory: 7892kb

input:

2
2 1

output:

1

result:

ok single line: '1'

Test #28:

score: 6
Accepted
time: 0ms
memory: 7848kb

input:

4
1 1 2 2

output:

1

result:

ok single line: '1'

Test #29:

score: 6
Accepted
time: 0ms
memory: 8024kb

input:

4
2 2 1 1

output:

2

result:

ok single line: '2'

Test #30:

score: 6
Accepted
time: 1ms
memory: 8032kb

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: 0ms
memory: 7896kb

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: 0ms
memory: 7812kb

input:

2
2 2

output:

1

result:

ok single line: '1'

Test #33:

score: 6
Accepted
time: 0ms
memory: 8024kb

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: 1ms
memory: 8028kb

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: 0ms
memory: 7892kb

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: 0ms
memory: 8028kb

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: 0ms
memory: 8028kb

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: 1ms
memory: 8020kb

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: 0ms
memory: 8024kb

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: 0ms
memory: 8028kb

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: 1ms
memory: 8020kb

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: 1ms
memory: 7812kb

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: 0ms
memory: 7892kb

input:

5
1 2 3 4 5

output:

1

result:

ok single line: '1'

Test #44:

score: 12
Accepted
time: 0ms
memory: 8016kb

input:

5
5 4 3 2 1

output:

2

result:

ok single line: '2'

Test #45:

score: 12
Accepted
time: 0ms
memory: 8020kb

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: 0ms
memory: 8024kb

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: 0ms
memory: 8032kb

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: 0ms
memory: 8028kb

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: 0ms
memory: 7812kb

input:

2
5 5

output:

1

result:

ok single line: '1'

Test #50:

score: 12
Accepted
time: 0ms
memory: 7900kb

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: 0ms
memory: 7960kb

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: 1ms
memory: 8024kb

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: 6ms
memory: 8156kb

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: 6ms
memory: 8028kb

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: 5ms
memory: 8156kb

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: 7ms
memory: 8160kb

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: 5ms
memory: 7936kb

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: 5ms
memory: 6116kb

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: 7ms
memory: 8024kb

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: 8ms
memory: 8152kb

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: 8156kb

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: 5ms
memory: 7984kb

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: 6ms
memory: 7900kb

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: 5ms
memory: 8160kb

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: 7ms
memory: 8156kb

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: 6ms
memory: 8016kb

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: 5ms
memory: 8148kb

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: 7ms
memory: 7888kb

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: 6ms
memory: 8024kb

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: 6ms
memory: 7896kb

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: 6ms
memory: 7892kb

input:

2
15 15

output:

1

result:

ok single line: '1'

Test #72:

score: 18
Accepted
time: 6ms
memory: 8028kb

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: 14ms
memory: 55912kb

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: 14ms
memory: 55812kb

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: 13ms
memory: 53932kb

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: 15ms
memory: 55140kb

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: 12ms
memory: 55848kb

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: 12ms
memory: 56056kb

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: 16ms
memory: 56496kb

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: 17ms
memory: 57292kb

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: 15ms
memory: 57168kb

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: 53712kb

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: 14ms
memory: 53716kb

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: 13ms
memory: 55588kb

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: 15ms
memory: 56032kb

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: 15ms
memory: 56908kb

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: 16ms
memory: 56656kb

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: 11ms
memory: 56340kb

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: 16ms
memory: 56236kb

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: 15ms
memory: 55924kb

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: 14ms
memory: 56632kb

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: 12ms
memory: 55240kb

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: 485ms
memory: 63356kb

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: 493ms
memory: 64636kb

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: 460ms
memory: 64716kb

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: 506ms
memory: 65048kb

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: 496ms
memory: 66976kb

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: 508ms
memory: 64024kb

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: 541ms
memory: 65064kb

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: 542ms
memory: 64420kb

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: 510ms
memory: 61620kb

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: 533ms
memory: 64108kb

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: 531ms
memory: 64976kb

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: 530ms
memory: 61624kb

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: 444ms
memory: 60176kb

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: 478ms
memory: 64184kb

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: 486ms
memory: 64808kb

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: 465ms
memory: 63580kb

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: 443ms
memory: 16092kb

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: 431ms
memory: 13912kb

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: 443ms
memory: 16088kb

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: 428ms
memory: 12116kb

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: 453ms
memory: 64652kb

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: 451ms
memory: 57456kb

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: 443ms
memory: 61064kb

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: 448ms
memory: 62652kb

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: 446ms
memory: 62004kb

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: 443ms
memory: 62700kb

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: 437ms
memory: 61504kb

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: 443ms
memory: 62064kb

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: 446ms
memory: 62376kb

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: 572ms
memory: 483656kb

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: 578ms
memory: 483668kb

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: 556ms
memory: 483728kb

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: 584ms
memory: 483688kb

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: 592ms
memory: 483740kb

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: 621ms
memory: 483700kb

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: 621ms
memory: 483672kb

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: 636ms
memory: 483728kb

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: 622ms
memory: 483744kb

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: 523ms
memory: 482708kb

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: 550ms
memory: 483728kb

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: 569ms
memory: 482816kb

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: 548ms
memory: 483672kb

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: 535ms
memory: 483756kb

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: 527ms
memory: 481088kb

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: 523ms
memory: 480360kb

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: 630ms
memory: 483536kb

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: 625ms
memory: 483536kb

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: 522ms
memory: 482308kb

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: 531ms
memory: 482956kb

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: 542ms
memory: 482824kb

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: 526ms
memory: 481720kb

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: 517ms
memory: 482112kb

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: 539ms
memory: 482176kb

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