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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
#313426#5533. TrickCrysfly78 433ms7916kbC++173.9kb2024-01-24 19:06:312024-01-24 19:06:32

Judging History

你现在查看的是最新测评结果

  • [2024-01-24 19:06:32]
  • 评测
  • 测评结果：78
  • 用时：433ms
  • 内存：7916kb
查看
  • [2024-01-24 19:06:31]
  • 提交

answer

// what is matter? never mind. 
//#pragma GCC optimize("Ofast")
//#pragma GCC optimize("unroll-loops")
//#pragma GCC target("sse,sse2,sse3,sse4,popcnt,abm,mmx,avx,avx2") 
#include<bits/stdc++.h>
#define For(i,a,b) for(int i=(a);i<=(b);++i)
#define Rep(i,a,b) for(int i=(a);i>=(b);--i)
#define ll long long
//#define int long long
#define ull unsigned long long
using namespace std;
inline int read()
{
    char c=getchar();int x=0;bool f=0;
    for(;!isdigit(c);c=getchar())f^=!(c^45);
    for(;isdigit(c);c=getchar())x=(x<<1)+(x<<3)+(c^48);
    if(f)x=-x;return x;
}

#define fi first
#define se second
#define pb push_back
#define mkp make_pair
typedef pair<int,int>pii;
typedef vector<int>vi;

#define maxn 4000005
#define inf 0x3f3f3f3f

int n,m;

int cnt[maxn];
vector<pii>tmp;
int D(int x,int y){
	int d=(y-x+m)%m;
	return min(d,m-d);
}

void add(int x,int y){
	int d=(y-x+m)%m;
	d=min(d,m-d);
	if(cnt[d]==0){
		if((y-x+m)%m==d)tmp.pb(mkp(x,y));
		else tmp.pb(mkp(y,x));
	}
	else if(cnt[d]==1){
		if((x-y+m)%m==d)tmp.pb(mkp(x,y));
		else tmp.pb(mkp(y,x));
	}
	else cout<<"fail.\n";
	++cnt[d];
}

int t[maxn],len;
pii e[maxn]; int ds[maxn]; int ce;

int g[23][23];
bool ok=0;
vi cans;

bool chk(){
	auto chks=[&](int s){
		For(i,0,len-1) if(s>>i&1) For(j,i+1,len-1) if(s>>j&1) {
			if(g[i+1][j+1])return 1;
		}
		return 0;
	};
	for(auto s:cans){
		if(chks(s)==0)return 0;
	}
	For(i,1,len)For(j,i+1,len){
		if((t[i]+t[j]==m)||(t[i]==0 && t[j]==1)||(t[i]==0 && t[j]==n*2)){
		//	g[i][j]=g[j][i]=1;
			continue;
		}
		if(g[i][j]){
			--cnt[D(t[i],t[j])];
			add(t[i],t[j]);
		}
	}
	return 1;
}

int dfsd;
void dfs(int u){
	if(ok)return;
	++dfsd;
//	cout<<"dfs "<<u<<"\n";
	if(u==ce+1){
		if(chk())ok=1;
		return;
	}
	dfs(u+1);
	if(cnt[ds[u]]<2){
		++cnt[ds[u]];
		g[e[u].fi][e[u].se]=g[e[u].se][e[u].fi]=1;
		dfs(u+1);
		g[e[u].fi][e[u].se]=g[e[u].se][e[u].fi]=0;
		--cnt[ds[u]];
	}
}

void init(int nn){
	n=nn,m=n*2+1;
	tmp.clear(),len=0,ce=0,ok=0,cans.clear();
	For(i,0,m)cnt[i]=0; dfsd=0;
	memset(g,0,sizeof g);
	
	For(i,1,n-1)add(i,m-i);
	add(0,1),add(0,n*2);
	t[++len]=0;
	t[++len]=1,t[++len]=n*2;
	t[++len]=2,t[++len]=n*2-1;
	t[++len]=4,t[++len]=n*2-3;
	t[++len]=n,t[++len]=n+1;
	For(i,1,len)For(j,i+1,len){
		if((t[i]+t[j]==m)||(t[i]==0 && t[j]==1)||(t[i]==0 && t[j]==n*2)){
			g[i][j]=g[j][i]=1;
			continue;
		}
		e[++ce]=mkp(i,j);
		ds[ce]=D(t[i],t[j]);
	}
	For(i,0,(1<<len)-1) if(__builtin_popcount(i)==4) cans.pb(i);
//	cerr<<"ce "<<ce<<"\n";
//	For(i,1,len)cout<<t[i]<<" "; cout<<"\n";
//	For(i,1,ce)cout<<e[i].fi<<" "<<e[i].se<<" "<<ds[i]<<"\n";
//	For(i,0,m)cout<<cnt[i]<<" "; cout<<" nowcnt\n";
	dfs(1);
//	cout<<"OK "<<dfsd<<" "<<ok<<"\n";
//	for(auto it:tmp)cout<<it.fi<<" "<<it.se<<"\n";
}

bool vis[maxn];
pii encode(vi a){
	For(i,0,m) vis[i]=0;
	for(int x:a) vis[x]=1;
	int sum=0;
	For(i,0,n-1) sum=(sum+a[i])%m;
//	cout<<"sum "<<sum<<"\n";
//	for(auto [x,y]:tmp)cout<<(sum+x)%m<<" "<<(sum+y)%m<<" "<<vis[(sum+x)%m]<<" "<<vis[(sum+y)%m]<<"\n";
	for(auto [x,y]:tmp) if(vis[(sum+x)%m] && vis[(sum+y)%m]) return mkp((sum+x)%m,(sum+y)%m);
	assert(0);
}

int calc(pii a){
	for(auto [x,y]:tmp){
		int s1=(a.fi-x+m)%m,s2=(a.se-y+m)%m;
	//	cout<<"S1,S2 "<<s1<<" "<<s2<<" "<<x<<" "<<y<<"\n";
		if(s1==s2)return s1;
	}
	assert(0);
}

int decode(pii a,pii b){
	int s=calc(a)+calc(b);
	return (m*10-s)%m;
}

void WA(int id) {
    printf("Wrong Answer[%d]\n", id);
    exit(0);
}
void init(int);
std::pair<int, int> encode(std::vector<int>);
int decode(std::pair<int, int>, std::pair<int, int>);
int main() {
	int T=read(),op=read();
	while(T--){
		int n=read();
		init(n);
		if(op<=2){
			vi a(n);
			For(i,0,n-1)a[i]=read();
			pii res=encode(a);
			cout<<res.fi<<" "<<res.se<<"\n";
		}else{
			pii a,b;
			cin>>a.fi>>a.se>>b.fi>>b.se;
			cout<<decode(a,b)<<"\n";
		}
	}
}
源文件, 语言: C++17

详细

Subtask #1:

score: 29
Accepted

Test #1:

score: 29
Accepted
time: 433ms = 0ms + 433ms
memory: 0kb,3600kb

input:

12012
1
6
0 1 2 3 4 5
6
0 1 2 3 4 5
6
0 1 2 3 4 5
6
0 1 2 3 4 5
6
0 1 2 3 4 5
6
0 1 2 3 4 5
6
0 1 2 3 4 5
6
0 1 2 3 4 6
6
0 1 2 3 4 6
6
0 1 2 3 4 6
6
0 1 2 3 4 6
6
0 1 2 3 4 6
6
0 1 2 3 4 6
6
0 1 2 3 4 6
6
0 1 2 3 5 6
6
0 1 2 3 5 6
6
0 1 2 3 5 6
6
0 1 2 3 5 6
6
0 1 2 3 5 6
6
0 1 2 3 5 6
6
0 1 2 3 5 ...

output:

1 3
1 3
1 3
1 3
1 3
1 3
1 3
2 4
2 4
2 4
2 4
2 4
2 4
2 4
3 5
3 5
3 5
3 5
3 5
3 5
3 5
4 6
4 6
4 6
4 6
4 6
4 6
4 6
6 5
6 5
6 5
6 5
6 5
6 5
6 5
3 0
3 0
3 0
3 0
3 0
3 0
3 0
6 2
6 2
6 2
6 2
6 2
6 2
6 2
1 7
1 7
1 7
1 7
1 7
1 7
1 7
3 7
3 7
3 7
3 7
3 7
3 7
3 7
5 7
5 7
5 7
5 7
5 7
5 7
5 7
5 1
5 1
5 1
5 1
5 1
...

input:

12012
2
6
7 8 9 10 11 12
6
6 8 9 10 11 12
6
6 7 9 10 11 12
6
6 7 8 10 11 12
6
6 7 8 9 11 12
6
6 7 8 9 10 12
6
6 7 8 9 10 11
6
7 8 9 10 11 12
6
5 8 9 10 11 12
6
5 7 9 10 11 12
6
5 7 8 10 11 12
6
5 7 8 9 11 12
6
5 7 8 9 10 12
6
5 7 8 9 10 11
6
7 8 9 10 11 12
6
4 8 9 10 11 12
6
4 7 9 10 11 12
6
4 7 8 1...

output:

12 7
9 12
7 12
6 11
6 9
9 6
10 6
12 7
8 11
12 5
5 10
5 8
8 5
11 10
12 7
9 4
11 4
11 7
4 7
10 12
9 11
12 7
12 3
10 3
3 8
11 12
8 12
8 10
12 7
11 2
9 2
10 12
9 11
8 10
7 9
12 7
10 1
10 12
8 12
7 11
7 9
7 8
12 7
10 12
9 11
8 10
7 9
7 8
0 8
9 12
8 11
5 10
5 8
12 11
10 12
9 11
9 12
9 4
4 9
12 11
11 12
8 ...

input:

12012
3
6
1 3 12 7
6
1 3 9 12
6
1 3 7 12
6
1 3 6 11
6
1 3 6 9
6
1 3 9 6
6
1 3 10 6
6
2 4 12 7
6
2 4 8 11
6
2 4 12 5
6
2 4 5 10
6
2 4 5 8
6
2 4 8 5
6
2 4 11 10
6
3 5 12 7
6
3 5 9 4
6
3 5 11 4
6
3 5 11 7
6
3 5 4 7
6
3 5 10 12
6
3 5 9 11
6
4 6 12 7
6
4 6 12 3
6
4 6 10 3
6
4 6 3 8
6
4 6 11 12
6
4 6 8 12...

output:

6
7
8
9
10
11
12
5
7
8
9
10
11
12
4
7
8
9
10
11
12
3
7
8
9
10
11
12
2
7
8
9
10
11
12
1
7
8
9
10
11
12
0
7
8
9
10
11
12
5
6
8
9
10
11
12
4
6
8
9
10
11
12
3
6
8
9
10
11
12
2
6
8
9
10
11
12
1
6
8
9
10
11
12
0
6
8
9
10
11
12
4
5
8
9
10
11
12
3
5
8
9
10
11
12
2
5
8
9
10
11
12
1
5
8
9
10
11
12
0
5
8
9
10
...

result:

ok very good job! (12012 test cases)

Subtask #2:

score: 19
Accepted

Test #2:

score: 19
Accepted
time: 341ms = 0ms + 341ms
memory: 0kb,3616kb

input:

6576
1
6
12 2 3 11 5 6
6
0 1 8 3 10 5
6
0 1 6 11 7 5
6
0 12 8 3 5 9
6
0 1 7 3 4 6
6
0 12 8 3 4 5
6
0 1 2 7 12 5
6
1 2 8 4 7 6
6
12 7 9 4 10 6
6
0 1 11 4 5 6
7
10 14 3 4 12 8 9
7
0 10 2 9 4 5 7
7
1 9 3 11 10 6 7
7
0 13 14 8 9 6 12
7
12 1 8 3 7 5 9
7
0 1 2 8 9 5 7
7
0 10 12 4 11 8 9
7
13 1 2 3 4 11 6
...

output:

11 2
5 10
1 7
9 0
0 3
4 8
0 2
2 1
6 12
11 4
12 3
5 9
1 3
6 13
12 3
2 1
8 10
1 4
12 14
8 11
4 9
8 11
15 0
4 10
16 6
4 12
11 1
0 6
3 2
13 4
10 13
6 10
9 13
10 18
14 0
17 0
12 14
13 15
12 18
13 3
19 0
4 8
18 7
19 4
14 2
0 4
17 16
15 4
7 9
18 1
21 22
11 19
2 6
0 11
12 18
16 20
11 15
17 0
9 13
9 15
4 9
6...

input:

6576
2
6
1 4 7 8 9 10
6
2 4 7 9 11 12
6
2 3 4 9 10 12
6
1 2 6 7 10 11
6
2 5 8 9 10 12
6
1 2 6 9 10 11
6
3 4 6 8 9 10
6
3 5 9 10 11 12
6
0 1 2 5 8 11
6
2 7 8 9 10 12
7
0 1 5 6 7 11 13
7
1 3 8 11 12 13 14
7
2 4 5 8 12 13 14
7
1 2 4 5 7 10 11
7
0 2 4 6 10 11 14
7
3 4 6 10 11 12 13
7
1 3 5 6 7 13 14
7
0...

output:

4 9
2 12
12 3
2 7
5 9
11 2
6 9
10 12
0 2
8 10
11 0
1 3
12 14
1 4
0 4
3 10
3 5
7 9
0 1
3 10
0 2
13 4
4 10
11 2
3 8
1 7
0 2
1 5
15 4
8 14
11 0
11 12
3 10
9 15
15 4
16 2
0 2
0 8
16 3
7 11
4 14
19 1
13 2
16 2
3 5
8 7
14 1
8 9
15 20
12 16
11 15
0 4
3 7
21 9
0 10
4 10
12 0
14 18
22 1
22 1
15 17
3 7
2 6
10...

input:

6576
3
6
11 2 4 9
6
5 10 2 12
6
1 7 12 3
6
9 0 2 7
6
0 3 5 9
6
4 8 11 2
6
0 2 6 9
6
2 1 10 12
6
6 12 0 2
6
11 4 8 10
7
12 3 11 0
7
5 9 1 3
7
1 3 12 14
7
6 13 1 4
7
12 3 0 4
7
2 1 3 10
7
8 10 3 5
7
1 4 7 9
7
12 14 0 1
7
8 11 3 10
8
4 9 0 2
8
8 11 13 4
8
15 0 4 10
8
4 10 11 2
8
16 6 3 8
8
4 12 1 7
8
1...

output:

0
6
8
4
11
7
11
0
3
3
2
6
0
3
13
14
2
12
2
14
1
16
11
12
9
5
10
11
13
6
2
0
11
12
12
11
5
1
4
2
13
5
1
11
9
11
7
14
6
8
12
6
14
14
3
21
4
10
12
11
12
18
7
15
7
8
5
8
21
14
21
19
6
1
16
12
21
6
18
4
22
4
21
19
0
0
6
20
17
17
7
15
9
11
2
12
15
12
7
13
18
17
0
17
21
18
13
12
19
17
2
18
5
20
16
11
4
0
1...

result:

ok very good job! (6576 test cases)

Test #3:

score: 0
Accepted
time: 350ms = 0ms + 350ms
memory: 0kb,3824kb

input:

6576
1
6
7 10 2 3 9 6
6
0 12 9 6 4 5
6
6 9 2 10 11 5
6
0 6 2 7 4 12
6
7 1 10 3 11 12
6
8 9 2 6 4 7
6
0 1 2 6 11 10
6
9 1 2 3 8 5
6
0 11 2 3 12 8
6
0 12 7 3 10 11
7
12 10 8 4 11 6 7
7
0 1 10 3 4 11 9
7
7 1 13 3 10 14 9
7
11 1 2 8 4 14 12
7
9 8 11 3 10 13 7
7
7 1 10 3 4 9 6
7
12 1 2 7 10 5 6
7
8 1 2 3...

output:

2 7
4 12
2 6
4 6
3 7
8 4
2 6
1 3
8 12
0 10
4 7
1 10
10 14
12 2
7 10
1 4
10 1
9 13
7 9
0 2
5 8
7 11
14 13
3 8
8 14
8 12
6 0
11 13
4 11
0 4
10 16
13 1
9 18
5 7
11 15
13 0
12 14
6 8
6 10
3 6
18 6
2 8
10 18
8 12
17 4
6 13
17 0
19 3
6 16
18 6
5 10
6 13
13 21
16 22
3 12
16 20
16 3
14 20
1 12
1 3
19 5
18 2...

input:

6576
2
6
0 1 4 5 8 12
6
1 2 3 8 10 11
6
0 1 3 4 7 8
6
1 3 5 8 9 11
6
0 2 4 5 6 9
6
0 1 3 5 11 12
6
3 4 5 7 8 12
6
0 4 6 7 11 12
6
1 4 6 7 9 10
6
1 2 4 5 6 9
7
0 2 3 5 9 13 14
7
2 5 6 8 12 13 14
7
0 2 4 5 6 8 12
7
0 3 5 6 7 9 13
7
0 1 2 5 6 12 14
7
0 2 5 8 11 12 14
7
0 3 4 9 11 13 14
7
0 4 6 7 10 12 ...

output:

8 0
8 10
7 0
8 1
4 9
11 1
5 8
11 4
7 4
6 9
0 2
13 2
6 8
6 0
14 6
12 2
14 4
6 10
1 10
7 9
7 11
6 10
6 12
5 9
9 12
7 15
10 12
12 1
2 6
14 3
8 12
18 5
7 6
9 11
7 14
17 4
11 1
16 4
11 4
14 4
3 10
14 17
6 15
14 18
18 3
2 12
3 5
12 0
8 10
20 3
3 7
11 22
17 0
15 21
7 13
22 10
5 11
5 7
20 2
14 18
16 18
19 5...

input:

6576
3
6
2 7 8 0
6
4 12 8 10
6
2 6 7 0
6
4 6 8 1
6
3 7 4 9
6
8 4 11 1
6
2 6 5 8
6
1 3 11 4
6
8 12 7 4
6
0 10 6 9
7
4 7 0 2
7
1 10 13 2
7
10 14 6 8
7
12 2 6 0
7
7 10 14 6
7
1 4 12 2
7
10 1 14 4
7
9 13 6 10
7
7 9 1 10
7
0 2 7 9
8
5 8 7 11
8
7 11 6 10
8
14 13 6 12
8
3 8 5 9
8
8 14 9 12
8
8 12 7 15
8
6 ...

output:

11
7
12
10
8
10
9
10
5
8
1
7
11
10
4
13
8
11
14
6
10
0
11
13
4
13
15
7
14
15
15
10
8
3
5
2
0
2
17
15
13
11
7
16
0
15
19
4
1
8
22
20
9
9
17
12
17
0
17
5
17
14
6
13
15
1
11
18
16
10
3
17
19
18
10
13
18
15
18
2
10
15
14
4
10
10
0
3
17
7
15
19
3
1
3
0
6
5
19
3
21
11
6
9
18
12
2
10
3
20
21
1
1
10
4
14
17...

result:

ok very good job! (6576 test cases)

Test #4:

score: 0
Accepted
time: 335ms = 0ms + 335ms
memory: 0kb,3752kb

input:

6576
1
6
0 8 2 10 5 11
6
9 8 6 3 4 5
6
0 11 9 7 4 6
6
0 6 2 12 9 8
6
8 12 2 11 7 5
6
0 1 2 10 12 11
6
0 2 10 9 5 6
6
0 7 8 11 6 9
6
0 1 2 11 12 9
6
0 9 12 3 7 5
7
11 13 14 3 4 8 12
7
0 1 11 8 4 5 10
7
13 10 2 9 4 5 11
7
9 1 2 4 8 12 13
7
0 7 2 12 4 9 8
7
14 8 11 3 5 6 13
7
10 1 2 7 8 5 6
7
12 11 14 ...

output:

2 5
9 8
9 0
9 0
5 7
10 11
10 2
6 11
2 0
7 0
11 14
8 10
13 5
2 12
9 0
13 8
8 10
14 13
9 0
7 3
4 14
9 12
5 12
2 5
14 16
8 15
5 9
2 12
1 4
13 0
18 5
11 13
6 9
13 15
3 7
13 17
10 16
13 15
1 8
14 18
9 11
3 8
10 14
0 2
10 12
13 17
8 10
17 0
0 10
11 19
17 3
8 17
7 18
8 12
6 16
7 11
15 3
0 8
7 17
18 1
3 9
4...

input:

6576
2
6
1 3 6 7 9 12
6
0 1 2 10 11 12
6
1 2 3 5 8 12
6
1 3 4 5 7 11
6
0 1 3 4 9 10
6
3 4 5 6 8 9
6
3 4 7 8 11 12
6
1 2 3 4 5 12
6
3 4 6 7 8 10
6
1 2 4 6 8 10
7
0 1 2 5 7 9 10
7
2 3 7 9 12 13 14
7
0 1 3 7 8 12 14
7
0 5 6 7 10 11 14
7
1 3 5 6 10 11 13
7
0 1 2 7 9 10 12
7
0 3 4 9 11 12 14
7
0 1 2 4 5 ...

output:

6 1
10 11
2 8
3 7
1 0
9 8
4 8
12 3
3 8
4 6
1 7
13 2
14 1
6 10
3 5
10 12
12 4
2 9
8 14
12 0
9 16
16 1
7 14
14 16
2 10
0 7
3 8
15 6
9 0
9 15
7 11
18 6
16 4
11 18
18 5
16 1
0 5
11 0
0 9
4 6
16 20
11 20
5 11
10 12
7 13
7 9
4 6
5 9
9 8
10 16
14 20
19 2
21 2
5 9
2 12
19 6
22 1
2 10
5 9
16 3
18 20
2 7
18 2...

input:

6576
3
6
2 5 6 1
6
9 8 10 11
6
9 0 2 8
6
9 0 3 7
6
5 7 1 0
6
10 11 9 8
6
10 2 4 8
6
6 11 12 3
6
2 0 3 8
6
7 0 4 6
7
11 14 1 7
7
8 10 13 2
7
13 5 14 1
7
2 12 6 10
7
9 0 3 5
7
13 8 10 12
7
8 10 12 4
7
14 13 2 9
7
9 0 8 14
7
7 3 12 0
8
4 14 9 16
8
9 12 16 1
8
5 12 7 14
8
2 5 14 16
8
14 16 2 10
8
8 15 0...

output:

4
7
10
10
6
7
1
10
5
11
6
6
6
3
14
4
13
3
7
13
1
15
15
7
13
2
13
5
10
7
8
14
11
0
12
5
13
9
10
17
14
0
1
9
0
19
7
16
7
14
19
0
22
6
5
13
14
13
4
4
21
12
11
19
16
10
6
7
5
4
12
12
14
19
12
12
0
17
11
6
12
12
18
17
19
8
5
11
16
5
2
11
8
15
2
7
0
14
11
10
9
16
3
12
20
4
11
14
6
3
1
5
5
14
0
1
19
4
10
7...

result:

ok very good job! (6576 test cases)

Test #5:

score: 0
Accepted
time: 346ms = 0ms + 346ms
memory: 0kb,3808kb

input:

6576
1
6
8 10 2 7 6 5
6
1 12 3 10 8 9
6
0 1 2 6 4 11
6
0 10 9 8 4 7
6
6 1 8 3 4 5
6
9 1 2 12 4 5
6
0 6 10 8 4 5
6
0 11 2 3 10 6
6
0 1 10 11 4 5
6
11 1 2 4 5 12
7
11 10 9 14 4 8 6
7
0 1 13 4 9 6 7
7
14 10 11 9 13 5 12
7
8 1 2 3 12 6 13
7
9 10 2 7 11 5 6
7
10 1 11 14 5 12 13
7
0 9 12 13 5 6 7
7
1 2 11...

output:

10 6
9 12
4 2
4 7
8 3
5 9
6 8
10 2
10 0
1 4
8 11
7 13
14 13
13 2
5 6
11 1
5 9
2 4
4 6
2 4
14 4
9 14
1 4
0 4
15 3
16 4
4 10
8 15
2 10
16 5
10 17
8 2
10 0
14 1
1 0
10 12
12 14
16 6
7 9
11 1
11 13
7 15
20 5
16 20
4 6
4 6
14 20
11 13
3 7
13 20
16 19
11 18
19 2
20 22
1 3
12 16
18 20
16 20
5 4
12 19
2 1
1...

input:

6576
2
6
0 1 3 4 9 11
6
2 4 5 6 7 11
6
3 5 7 8 9 12
6
1 2 3 5 6 12
6
0 2 7 10 11 12
6
0 3 7 8 10 11
6
1 2 3 9 11 12
6
1 4 7 8 9 12
6
2 3 6 7 9 12
6
0 6 7 8 9 10
7
0 1 2 3 5 7 13
7
2 5 8 10 11 12 14
7
0 1 2 3 4 7 8
7
0 5 7 9 10 11 14
7
0 1 3 4 8 13 14
7
0 2 4 6 7 8 9
7
1 2 4 8 10 11 14
7
3 6 7 8 9 10...

output:

1 3
7 11
3 7
1 5
7 12
10 3
9 2
9 4
7 2
6 9
0 2
14 5
1 4
0 7
3 8
4 8
2 8
10 14
7 10
6 8
11 16
2 7
2 10
5 9
10 12
7 11
8 11
12 16
16 5
13 4
5 8
1 3
6 8
12 11
9 17
11 15
3 6
12 1
11 0
15 17
10 16
20 19
6 14
5 7
12 1
3 5
0 6
4 19
1 5
4 6
13 21
16 22
10 16
7 11
14 16
11 13
1 6
3 14
3 13
14 2
8 12
2 8
1 1...

input:

6576
3
6
10 6 1 3
6
9 12 7 11
6
4 2 3 7
6
4 7 1 5
6
8 3 7 12
6
5 9 10 3
6
6 8 9 2
6
10 2 9 4
6
10 0 7 2
6
1 4 6 9
7
8 11 0 2
7
7 13 14 5
7
14 13 1 4
7
13 2 0 7
7
5 6 3 8
7
11 1 4 8
7
5 9 2 8
7
2 4 10 14
7
4 6 7 10
7
2 4 6 8
8
14 4 11 16
8
9 14 2 7
8
1 4 2 10
8
0 4 5 9
8
15 3 10 12
8
16 4 7 11
8
4 10...

output:

12
0
10
11
9
6
7
5
8
3
12
3
6
4
12
3
3
0
9
5
3
1
0
8
14
15
9
0
9
15
18
5
7
9
5
14
11
11
15
16
17
11
9
18
20
12
1
15
13
10
0
1
11
16
6
20
12
8
10
11
11
1
16
12
11
15
13
17
9
0
14
14
11
19
10
6
0
7
15
19
14
17
11
4
15
15
3
7
13
3
21
13
8
19
17
17
3
4
4
17
8
0
9
12
18
14
4
21
17
1
20
17
0
19
18
5
12
5
...

result:

ok very good job! (6576 test cases)

Test #6:

score: 0
Accepted
time: 333ms = 0ms + 333ms
memory: 0kb,3808kb

input:

6576
1
6
11 1 12 3 5 7
6
0 12 11 4 7 6
6
0 10 8 3 4 6
6
8 1 2 4 9 6
6
9 10 2 3 8 6
6
7 1 2 3 9 8
6
0 1 8 11 9 6
6
8 7 2 11 5 6
6
0 7 8 3 4 6
6
8 7 3 4 5 9
7
0 1 2 10 4 14 8
7
10 1 3 4 8 6 12
7
0 9 7 11 4 13 8
7
0 1 10 3 4 5 14
7
0 1 10 9 4 11 6
7
12 1 9 4 5 13 7
7
7 1 2 11 4 5 6
7
0 8 2 3 4 5 12
7
1...

output:

12 1
11 4
4 6
2 6
9 2
1 7
9 8
11 2
0 4
8 4
8 10
12 1
7 8
4 10
1 6
5 7
5 7
3 5
10 4
0 6
12 16
0 4
12 14
14 3
4 6
10 13
0 3
7 14
4 11
12 16
2 8
4 12
8 15
6 11
3 5
14 18
6 9
16 1
9 11
9 16
7 9
1 11
15 14
0 2
9 15
15 1
20 8
19 2
19 2
9 11
3 6
17 19
16 1
5 11
1 7
13 19
6 17
15 0
2 8
17 2
12 0
8 12
16 18
...

input:

6576
2
6
0 2 6 8 9 10
6
2 3 5 8 9 10
6
1 2 5 9 11 12
6
0 5 7 10 11 12
6
0 1 5 7 11 12
6
0 4 5 6 10 11
6
3 4 5 7 10 12
6
0 1 3 9 10 12
6
1 2 5 9 10 11
6
0 1 6 10 11 12
7
3 6 7 9 11 12 13
7
0 5 7 9 11 13 14
7
1 2 3 5 6 10 12
7
2 6 7 8 9 12 13
7
2 3 5 8 12 13 14
7
0 3 6 8 10 11 14
7
0 3 8 10 12 13 14
7...

output:

8 10
9 5
1 2
5 7
7 0
10 11
12 5
9 10
10 1
1 0
6 11
13 0
6 12
2 7
12 13
6 8
12 3
9 1
3 8
1 10
13 14
14 1
0 4
1 9
1 9
12 2
15 6
16 4
8 13
15 0
10 12
3 9
14 16
16 5
9 16
9 15
14 1
17 4
5 13
8 13
5 12
19 0
12 16
3 13
18 1
10 12
15 0
5 10
16 3
15 17
10 12
4 7
4 6
21 2
13 15
5 11
5 16
9 17
17 21
20 5
13 1...

input:

6576
3
6
12 1 8 10
6
11 4 9 5
6
4 6 1 2
6
2 6 5 7
6
9 2 7 0
6
1 7 10 11
6
9 8 12 5
6
11 2 9 10
6
0 4 10 1
6
8 4 1 0
7
8 10 6 11
7
12 1 13 0
7
7 8 6 12
7
4 10 2 7
7
1 6 12 13
7
5 7 6 8
7
5 7 12 3
7
3 5 9 1
7
10 4 3 8
7
0 6 1 10
8
12 16 13 14
8
0 4 14 1
8
12 14 0 4
8
14 3 1 9
8
4 6 1 9
8
10 13 12 2
8
...

output:

4
1
7
3
4
12
2
4
12
2
5
2
14
11
7
2
9
6
0
4
7
16
2
12
7
7
5
5
16
4
3
5
2
0
12
10
4
0
0
15
15
16
13
12
10
2
10
3
1
16
19
11
21
15
5
22
1
14
22
1
1
19
0
16
19
8
2
3
13
3
15
8
6
19
3
15
6
18
13
4
17
18
9
22
12
3
4
8
8
13
4
1
6
10
2
8
19
8
18
17
9
22
16
6
18
2
1
20
14
19
16
20
6
4
22
12
6
11
6
0
7
9
21
...

result:

ok very good job! (6576 test cases)

Test #7:

score: 0
Accepted
time: 338ms = 0ms + 338ms
memory: 0kb,3612kb

input:

6576
1
6
9 1 2 10 4 8
6
0 1 11 3 4 5
6
0 1 9 3 12 6
6
0 1 2 3 4 7
6
0 1 2 3 10 9
6
0 1 8 9 4 5
6
0 12 2 3 4 9
6
8 12 2 10 4 5
6
0 9 3 10 8 6
6
0 8 10 4 7 6
7
0 1 14 3 10 11 8
7
9 8 3 13 14 6 10
7
0 10 9 13 11 6 12
7
0 1 13 14 4 12 10
7
8 10 3 13 5 6 14
7
0 9 2 3 4 14 10
7
7 10 2 3 11 9 13
7
13 1 3 4...

output:

8 9
5 0
9 1
1 7
10 1
1 0
9 12
12 5
10 9
8 10
1 3
8 13
6 11
14 4
3 10
10 14
9 11
1 7
9 11
10 1
14 13
8 16
1 8
7 14
1 7
2 5
12 16
15 0
15 0
2 4
12 11
3 9
6 12
11 10
13 17
7 15
13 16
7 10
8 3
0 2
5 7
7 11
16 20
5 11
16 1
16 3
15 17
1 6
20 1
7 13
17 5
2 11
9 11
10 18
10 14
18 5
16 4
21 7
6 12
8 16
12 14...

input:

6576
2
6
0 3 5 7 11 12
6
2 7 8 9 10 12
6
2 4 7 8 10 11
6
5 8 9 10 11 12
6
5 6 7 8 11 12
6
2 3 6 7 10 12
6
1 5 6 7 8 10
6
0 1 3 6 7 11
6
2 4 5 7 11 12
6
1 2 5 9 11 12
7
2 4 6 7 9 12 13
7
1 2 4 5 7 11 12
7
1 2 4 5 7 8 14
7
2 3 5 6 7 9 11
7
0 1 4 7 9 11 12
7
1 5 6 7 8 12 13
7
0 1 4 5 6 8 12
7
0 5 6 8 1...

output:

11 0
8 10
2 4
8 11
8 12
12 3
8 1
1 3
12 5
1 2
7 9
2 7
8 14
2 9
12 1
6 8
4 8
8 10
13 2
4 11
0 8
9 14
16 5
12 1
10 16
14 16
8 10
10 6
13 4
12 15
4 10
2 4
17 5
0 6
0 3
14 4
1 4
18 3
7 0
11 10
0 2
17 2
6 13
1 7
2 3
15 19
7 9
14 18
7 17
14 18
13 15
6 10
0 6
19 4
13 17
21 9
13 19
5 16
14 21
9 11
1 8
22 5
...

input:

6576
3
6
8 9 11 0
6
5 0 8 10
6
9 1 2 4
6
1 7 8 11
6
10 1 8 12
6
1 0 12 3
6
9 12 8 1
6
12 5 1 3
6
10 9 12 5
6
8 10 1 2
7
1 3 7 9
7
8 13 2 7
7
6 11 8 14
7
14 4 2 9
7
3 10 12 1
7
10 14 6 8
7
9 11 4 8
7
1 7 8 10
7
9 11 13 2
7
10 1 4 11
8
14 13 0 8
8
8 16 9 14
8
1 8 16 5
8
7 14 12 1
8
1 7 10 16
8
2 5 14 ...

output:

6
6
5
6
4
11
11
9
1
3
5
0
3
8
2
11
14
2
5
2
16
2
2
0
0
7
11
16
1
9
0
10
18
5
12
18
2
0
11
7
14
13
4
9
0
5
18
12
9
16
21
20
10
9
19
8
20
10
8
1
17
20
20
10
4
13
19
16
9
2
7
14
11
10
18
7
15
5
13
11
19
10
16
5
16
4
7
11
22
18
12
20
3
16
11
5
12
6
0
6
18
12
10
13
8
18
3
7
14
19
3
5
22
10
21
18
0
18
20
...

result:

ok very good job! (6576 test cases)

Test #8:

score: 0
Accepted
time: 340ms = 0ms + 340ms
memory: 0kb,3748kb

input:

6576
1
6
0 8 2 7 11 9
6
8 1 6 12 11 5
6
0 2 12 7 9 8
6
0 1 2 4 12 6
6
0 1 7 9 4 5
6
8 2 3 4 5 7
6
7 1 2 11 12 6
6
9 12 10 8 4 5
6
0 8 12 7 5 6
6
0 10 11 4 12 6
7
0 1 9 12 11 13 6
7
12 9 8 3 4 10 7
7
9 1 2 3 8 14 7
7
8 14 7 3 12 13 6
7
0 1 8 3 4 11 7
7
0 10 13 7 4 5 14
7
0 8 2 3 4 14 6
7
8 1 10 3 4 9...

output:

9 0
11 6
9 2
12 0
4 9
2 4
12 1
8 10
12 0
11 6
13 1
7 9
7 1
7 14
1 7
4 0
6 8
9 14
13 0
13 3
11 15
6 10
7 12
1 5
14 5
4 6
16 1
3 11
5 9
3 5
13 17
3 9
12 16
15 14
10 14
3 7
15 7
1 9
2 6
9 14
10 12
7 9
3 13
12 15
9 15
7 9
9 15
8 10
7 11
2 10
7 11
3 17
21 9
5 11
16 18
3 9
1 10
22 1
0 6
12 16
8 12
9 20
12...

input:

6576
2
6
1 3 4 5 6 12
6
0 2 3 4 7 9
6
3 4 5 6 10 11
6
5 7 8 9 10 11
6
2 3 6 10 11 12
6
1 6 9 10 11 12
6
0 3 4 5 8 10
6
0 1 2 3 7 11
6
1 3 4 9 10 11
6
2 3 5 7 8 9
7
2 3 4 5 7 10 14
7
0 1 2 5 6 13 14
7
0 4 6 10 11 12 13
7
0 1 2 4 5 9 11
7
2 5 6 9 12 13 14
7
1 2 3 6 8 9 11
7
1 5 7 10 11 12 13
7
0 2 5 7...

output:

4 6
9 2
10 3
11 10
3 12
9 11
3 5
2 7
10 1
7 9
5 10
1 6
10 12
0 4
5 12
9 11
12 1
13 7
6 7
9 0
2 9
14 7
10 16
0 2
0 3
0 2
13 15
9 16
1 6
6 13
1 8
14 16
13 2
1 3
2 6
13 15
10 12
11 13
18 3
18 4
16 3
6 10
18 1
2 11
19 6
15 19
7 13
11 0
12 1
17 19
13 21
7 9
6 16
8 9
15 19
22 5
19 2
0 9
8 18
21 2
19 2
21 ...

input:

6576
3
6
9 0 4 6
6
11 6 9 2
6
9 2 10 3
6
12 0 11 10
6
4 9 3 12
6
2 4 9 11
6
12 1 3 5
6
8 10 2 7
6
12 0 10 1
6
11 6 7 9
7
13 1 5 10
7
7 9 1 6
7
7 1 10 12
7
7 14 0 4
7
1 7 5 12
7
4 0 9 11
7
6 8 12 1
7
9 14 13 7
7
13 0 6 7
7
13 3 9 0
8
11 15 2 9
8
6 10 14 7
8
7 12 10 16
8
1 5 0 2
8
14 5 0 3
8
4 6 0 2
8...

output:

10
10
1
3
8
0
9
6
2
1
8
11
5
10
10
12
9
6
10
10
7
4
3
13
6
11
3
6
15
12
9
17
7
2
3
0
3
2
14
6
11
5
14
1
7
17
20
17
16
18
20
10
20
7
12
15
7
7
7
9
14
6
2
6
12
20
5
3
5
14
18
18
8
1
12
12
4
15
22
22
8
21
13
7
1
7
22
1
19
22
8
10
9
16
22
17
12
13
14
5
11
2
19
6
5
3
13
20
11
6
8
18
8
2
20
2
4
19
13
12
6...

result:

ok very good job! (6576 test cases)

Test #9:

score: 0
Accepted
time: 335ms = 0ms + 335ms
memory: 0kb,3824kb

input:

6576
1
6
11 12 9 3 4 5
6
7 1 8 12 4 6
6
12 1 2 11 8 9
6
1 2 3 11 9 8
6
7 1 2 10 11 8
6
0 10 2 7 4 5
6
0 12 2 11 9 10
6
0 10 7 3 4 9
6
12 9 2 3 6 5
6
11 1 2 3 10 7
7
0 13 7 3 10 5 6
7
7 1 13 8 4 5 11
7
0 14 3 4 12 9 7
7
0 1 9 11 7 5 6
7
0 10 8 14 4 5 6
7
0 7 2 10 4 5 6
7
0 1 2 8 11 7 6
7
0 14 3 4 5 9...

output:

5 4
4 7
9 12
8 9
11 2
0 4
10 0
4 10
3 6
2 10
13 0
1 7
9 14
7 11
0 4
2 6
2 8
3 4
12 0
0 2
4 9
10 0
13 3
8 10
7 10
8 12
9 15
2 4
1 7
16 5
11 0
5 10
14 2
11 15
1 6
6 12
6 10
11 0
18 4
10 0
11 15
1 7
4 13
19 0
5 9
9 16
13 2
20 1
17 0
12 16
0 10
9 16
22 1
15 21
14 20
0 10
11 13
20 7
11 15
9 13
12 14
15 2...

input:

6576
2
6
0 1 2 6 8 10
6
0 2 3 5 9 11
6
0 3 4 5 7 10
6
4 5 6 7 10 12
6
0 3 4 5 6 12
6
1 3 8 9 11 12
6
1 3 4 5 7 8
6
1 2 5 6 11 12
6
0 1 4 7 10 11
6
0 5 6 8 9 12
7
1 2 4 9 11 12 14
7
0 2 3 6 9 10 14
7
1 5 6 8 10 11 13
7
2 3 4 10 12 13 14
7
1 2 3 7 9 12 13
7
1 3 8 9 11 13 14
7
3 4 5 9 12 13 14
7
2 6 7 ...

output:

0 2
3 5
3 4
4 6
3 5
9 1
1 3
11 12
4 10
6 9
12 4
3 10
8 10
12 14
1 3
14 13
12 3
10 12
10 1
4 10
13 3
8 12
6 8
1 4
4 3
4 6
0 5
12 14
5 8
14 4
3 7
13 15
6 13
13 6
8 17
0 4
3 9
12 2
16 3
16 1
4 10
6 8
7 15
18 1
6 14
10 14
1 7
17 0
20 8
8 18
21 2
15 19
8 18
13 19
22 10
14 20
12 19
17 2
2 10
2 10
5 9
7 17...

input:

6576
3
6
5 4 0 2
6
4 7 3 5
6
9 12 3 4
6
8 9 4 6
6
11 2 3 5
6
0 4 9 1
6
10 0 1 3
6
4 10 11 12
6
3 6 4 10
6
2 10 6 9
7
13 0 12 4
7
1 7 3 10
7
9 14 8 10
7
7 11 12 14
7
0 4 1 3
7
2 6 14 13
7
2 8 12 3
7
3 4 10 12
7
12 0 10 1
7
0 2 4 10
8
4 9 13 3
8
10 0 8 12
8
13 3 6 8
8
8 10 1 4
8
7 10 4 3
8
8 12 4 6
8
...

output:

7
10
6
0
9
6
6
8
8
4
8
12
2
8
11
12
10
1
11
7
11
2
2
14
13
2
11
1
15
6
18
7
11
10
3
8
5
16
8
15
1
10
12
2
4
7
20
2
9
15
18
5
10
12
13
1
7
0
4
6
3
16
22
18
11
22
12
4
19
8
17
0
16
7
17
22
16
8
0
22
14
2
0
17
6
20
13
14
21
4
10
7
18
8
7
15
8
13
4
7
18
12
9
18
5
22
3
22
1
7
11
19
15
0
9
5
21
18
19
22
8...

result:

ok very good job! (6576 test cases)

Test #10:

score: 0
Accepted
time: 336ms = 0ms + 336ms
memory: 0kb,3620kb

input:

6576
1
6
8 2 3 4 11 6
6
12 1 10 4 9 6
6
0 2 12 10 11 6
6
10 9 2 3 4 5
6
0 1 11 12 4 5
6
0 1 7 8 4 9
6
1 10 3 4 7 8
6
0 1 2 7 10 8
6
12 1 2 3 11 5
6
10 11 2 3 4 12
7
0 1 10 4 5 12 7
7
1 12 10 14 8 6 7
7
0 2 3 4 14 6 12
7
0 1 9 10 14 12 11
7
11 10 2 8 5 6 7
7
0 1 12 3 9 8 7
7
14 1 2 3 12 5 6
7
7 13 2 ...

output:

6 2
1 10
6 11
5 9
5 1
9 7
4 10
7 10
5 11
2 4
5 1
12 14
3 0
10 14
2 6
8 12
12 14
7 13
13 1
12 14
12 2
9 15
4 8
6 7
12 0
5 9
11 1
0 5
6 14
9 8
12 16
7 9
18 1
9 13
9 11
11 6
17 5
4 13
2 4
17 0
4 12
15 0
9 17
8 14
11 0
7 14
8 16
16 18
17 2
6 11
21 2
5 11
21 0
10 12
6 12
16 20
8 10
15 21
7 15
2 13
4 13
7...

input:

6576
2
6
1 5 7 9 10 12
6
0 2 5 7 8 11
6
3 4 5 7 8 9
6
0 1 6 7 8 11
6
2 3 6 8 9 10
6
2 3 5 6 10 11
6
2 5 6 9 11 12
6
4 5 6 9 11 12
6
0 4 6 7 9 10
6
0 1 5 6 7 9
7
2 6 8 9 11 13 14
7
2 3 4 5 9 11 13
7
5 7 8 9 10 11 13
7
2 3 4 5 6 8 13
7
0 1 3 9 12 13 14
7
2 4 5 6 11 13 14
7
0 4 7 8 9 10 11
7
0 1 8 9 11...

output:

9 1
7 8
8 4
6 8
9 2
3 6
6 5
5 11
7 0
0 9
8 13
2 3
8 13
2 5
13 1
14 6
8 0
9 11
4 6
10 1
4 10
5 10
7 14
3 11
3 7
10 11
0 4
9 10
4 12
1 11
6 8
15 17
7 15
6 8
6 8
16 3
16 18
14 2
15 16
12 2
11 15
6 8
2 8
7 11
20 1
16 18
19 2
11 12
3 5
10 15
6 12
13 19
7 15
18 22
20 3
3 8
2 12
19 0
13 17
4 8
3 5
20 0
11 ...

input:

6576
3
6
6 2 9 1
6
1 10 7 8
6
6 11 8 4
6
5 9 6 8
6
5 1 9 2
6
9 7 3 6
6
4 10 6 5
6
7 10 5 11
6
5 11 7 0
6
2 4 0 9
7
5 1 8 13
7
12 14 2 3
7
3 0 8 13
7
10 14 2 5
7
2 6 13 1
7
8 12 14 6
7
12 14 8 0
7
7 13 9 11
7
13 1 4 6
7
12 14 10 1
8
12 2 4 10
8
9 15 5 10
8
4 8 7 14
8
6 7 3 11
8
12 0 3 7
8
5 9 10 11
8...

output:

0
3
1
12
7
12
0
3
8
8
3
0
1
7
4
10
13
10
3
4
3
6
9
4
6
0
9
14
16
16
17
14
8
1
2
17
10
12
1
13
0
17
3
1
5
4
9
14
18
0
14
22
13
15
14
11
7
7
20
21
22
4
19
11
15
0
2
14
17
21
18
16
15
1
6
19
15
1
5
1
13
4
18
5
0
3
21
18
22
21
11
17
20
15
13
20
11
16
6
3
4
13
6
15
0
6
15
13
13
2
7
4
6
18
12
7
10
18
0
21...

result:

ok very good job! (6576 test cases)

Subtask #3:

score: 30
Accepted

Test #11:

score: 30
Accepted
time: 342ms = 0ms + 342ms
memory: 0kb,3820kb

input:

6525
1
6
10 1 11 3 12 6
6
1 7 10 12 5 6
6
0 10 12 7 9 8
6
12 1 8 4 7 11
6
11 8 9 4 10 6
6
0 7 2 3 4 5
6
0 8 3 10 11 6
6
0 1 2 4 7 6
6
0 1 11 9 5 6
6
7 1 12 8 6 5
7
0 1 13 10 12 5 6
7
0 14 2 3 4 12 6
7
11 1 3 8 12 6 13
7
0 1 2 3 13 5 14
7
11 9 10 8 4 14 7
7
0 8 14 3 4 13 11
7
0 10 2 14 8 5 6
7
0 13 2...

output:

11 6
12 5
7 8
1 7
8 10
0 3
11 0
7 6
11 1
12 1
6 13
3 0
6 12
13 3
7 14
13 3
5 10
13 9
14 3
9 14
13 15
16 5
12 1
4 6
13 0
4 3
0 1
7 10
6 8
12 16
2 6
16 1
7 13
8 12
8 12
17 6
5 13
14 1
12 18
12 2
11 13
13 2
18 1
5 14
6 11
4 6
17 6
20 4
8 10
16 5
7 15
19 0
2 10
5 7
16 22
18 0
20 2
12 21
18 22
2 4
8 10
6...

input:

6525
2
6
0 2 4 5 8 9
6
2 3 4 8 9 11
6
1 2 3 4 5 11
6
0 3 5 6 9 10
6
0 1 3 5 7 12
6
1 6 8 10 11 12
6
2 4 5 7 9 12
6
5 8 9 10 11 12
6
3 4 7 8 10 12
6
0 2 3 4 9 11
7
2 3 4 7 8 9 11
7
1 5 7 8 9 10 13
7
0 4 5 7 9 10 14
7
4 6 7 8 9 10 11
7
0 1 2 3 5 6 13
7
1 2 5 7 9 10 12
7
1 3 4 9 11 12 13
7
1 3 4 6 10 1...

output:

0 4
4 2
11 2
5 9
1 3
8 10
4 9
8 11
3 7
2 4
11 2
7 9
9 14
9 11
13 2
5 12
12 4
4 6
4 9
11 12
9 0
3 11
10 13
1 7
1 5
11 0
6 14
2 6
5 16
11 4
17 0
13 15
16 1
16 18
9 16
0 2
8 10
15 17
15 14
18 5
0 10
7 9
6 16
6 8
18 4
3 11
4 8
17 2
15 2
1 7
20 5
6 12
11 15
11 17
10 17
9 11
17 4
16 18
9 19
0 10
14 16
1 5...

input:

6525
3
6
11 6 0 4
6
12 5 4 2
6
7 8 11 2
6
1 7 5 9
6
8 10 1 3
6
0 3 8 10
6
11 0 4 9
6
7 6 8 11
6
11 1 3 7
6
12 1 2 4
7
6 13 11 2
7
3 0 7 9
7
6 12 9 14
7
13 3 9 11
7
7 14 13 2
7
13 3 5 12
7
5 10 12 4
7
13 9 4 6
7
14 3 4 9
7
9 14 11 12
8
13 15 9 0
8
16 5 3 11
8
12 1 10 13
8
4 6 1 7
8
13 0 1 5
8
4 3 11 ...

output:

7
0
6
2
2
9
1
3
2
10
14
11
2
12
12
6
7
8
0
0
7
8
16
8
16
16
7
13
3
1
16
6
10
11
6
16
1
5
8
10
4
16
11
15
12
9
14
10
14
17
11
16
4
3
2
4
13
1
12
15
22
12
0
4
21
10
17
21
18
21
0
15
9
18
3
12
19
10
9
14
2
20
5
22
20
6
9
17
9
17
7
13
15
4
19
4
6
18
13
10
10
22
6
20
3
18
2
21
7
13
5
1
19
17
0
8
16
22
12...

result:

ok very good job! (6525 test cases)

Test #12:

score: 0
Accepted
time: 340ms = 0ms + 340ms
memory: 0kb,3784kb

input:

6525
1
6
0 1 7 3 8 9
6
12 1 2 8 4 5
6
0 1 3 10 8 11
6
0 1 8 7 10 12
6
11 1 9 7 4 8
6
0 12 2 3 4 9
6
0 1 2 3 8 7
6
0 10 2 3 6 5
6
0 1 2 10 12 9
6
12 9 10 3 4 8
7
14 1 12 7 4 5 6
7
1 9 3 4 12 10 13
7
0 1 10 8 4 7 12
7
0 1 8 12 4 10 11
7
0 12 13 3 10 5 8
7
0 14 13 12 9 5 6
7
0 1 10 8 9 13 14
7
8 11 2 3...

output:

1 3
4 8
11 3
10 1
11 4
9 12
0 3
10 3
2 10
4 10
1 7
4 10
1 8
1 0
12 0
13 0
10 9
7 12
7 9
1 4
10 14
6 9
14 13
13 4
6 10
6 8
3 5
4 12
4 9
16 5
0 6
4 7
2 6
1 6
15 1
13 2
5 14
3 9
10 15
3 8
1 13
10 12
6 10
16 20
10 12
13 19
16 20
12 16
12 20
12 18
0 11
0 11
8 18
3 9
15 19
22 1
2 10
9 13
10 12
2 4
6 16
4 ...

input:

6525
2
6
2 4 6 10 11 12
6
0 3 6 9 10 11
6
4 5 6 7 9 12
6
2 3 4 5 6 11
6
0 2 3 6 10 12
6
1 5 7 8 10 11
6
4 6 9 10 11 12
6
1 4 8 9 11 12
6
3 5 6 7 8 11
6
0 1 2 5 6 7
7
0 2 3 9 10 11 13
7
2 5 6 7 8 11 14
7
2 3 5 6 9 11 14
7
2 3 5 6 9 13 14
7
1 2 4 6 7 11 14
7
1 2 3 4 7 8 11
7
3 4 5 6 7 11 12
7
0 1 5 6 ...

output:

10 2
10 3
9 12
4 6
12 2
1 5
4 9
4 8
8 3
6 2
3 2
5 11
11 14
5 9
14 1
4 8
3 4
1 5
13 0
11 0
0 2
13 3
7 12
1 3
11 15
15 1
11 2
5 13
14 3
9 3
1 5
0 2
16 5
8 12
6 8
9 18
15 4
8 11
18 8
17 7
2 10
1 7
0 7
0 4
13 17
11 20
9 18
19 7
6 16
8 17
4 10
18 20
1 4
0 8
9 13
13 0
3 5
8 10
14 18
0 6
3 11
22 7
13 19
10...

input:

6525
3
6
1 3 10 2
6
4 8 10 3
6
11 3 9 12
6
10 1 4 6
6
11 4 12 2
6
9 12 1 5
6
0 3 4 9
6
10 3 4 8
6
2 10 8 3
6
4 10 6 2
7
1 7 3 2
7
4 10 5 11
7
1 8 11 14
7
1 0 5 9
7
12 0 14 1
7
13 0 4 8
7
10 9 3 4
7
7 12 1 5
7
7 9 13 0
7
1 4 11 0
8
10 14 0 2
8
6 9 13 3
8
14 13 7 12
8
13 4 1 3
8
6 10 11 15
8
6 8 15 1
...

output:

5
7
2
9
5
6
5
7
4
11
8
0
13
7
9
10
2
10
8
7
4
10
2
15
13
2
15
0
2
4
13
3
14
15
4
17
0
13
3
11
4
6
20
1
16
0
0
15
15
4
22
10
19
13
18
5
13
3
19
17
5
0
3
17
16
11
19
9
3
14
14
15
22
7
1
18
13
5
1
8
17
9
5
8
19
0
14
5
8
4
21
17
10
12
20
22
20
3
12
22
11
7
22
19
16
6
19
20
1
3
9
6
3
5
3
19
7
3
18
5
22
2...

result:

ok very good job! (6525 test cases)

Test #13:

score: 0
Accepted
time: 330ms = 0ms + 330ms
memory: 0kb,3788kb

input:

6525
1
6
7 1 3 8 5 10
6
0 1 2 12 9 6
6
0 1 2 3 4 11
6
0 11 2 3 8 12
6
0 1 2 3 4 8
6
0 12 2 3 11 5
6
6 1 2 3 8 11
6
7 1 11 12 9 5
6
0 10 2 3 7 6
6
11 8 3 4 9 6
7
8 1 2 11 4 5 7
7
0 13 10 11 8 5 6
7
9 2 3 4 13 6 10
7
8 2 3 4 14 9 7
7
0 1 2 3 10 9 14
7
12 9 10 7 8 11 6
7
0 9 2 12 4 8 7
7
0 10 12 14 13 ...

output:

8 7
2 6
0 3
8 12
2 8
11 3
2 8
5 7
7 10
6 11
5 11
6 10
6 13
2 3
0 3
9 12
9 0
5 10
0 6
1 4
8 16
10 13
7 9
8 16
7 12
12 16
8 16
8 12
16 6
11 5
13 1
15 4
3 10
16 1
18 7
9 15
9 15
9 17
2 4
14 9
9 13
4 10
7 12
10 14
18 1
20 1
5 12
17 0
16 4
11 15
8 12
2 13
19 2
18 20
22 9
2 11
6 8
7 15
22 1
10 14
6 12
14 ...

input:

6525
2
6
0 4 6 9 11 12
6
4 5 7 8 10 11
6
5 6 7 8 10 12
6
1 4 5 6 9 10
6
5 6 7 9 10 12
6
1 4 7 8 9 10
6
0 4 5 9 10 12
6
0 2 3 4 8 10
6
1 5 8 9 11 12
6
0 1 5 7 10 12
7
0 3 9 10 12 13 14
7
1 2 3 4 7 12 14
7
1 5 7 8 11 12 14
7
0 5 6 10 11 12 13
7
4 5 6 7 8 11 12
7
0 1 2 3 4 5 13
7
1 3 5 10 11 13 14
7
1 ...

output:

0 6
5 7
8 10
1 4
10 9
4 9
5 10
0 2
5 9
0 5
14 3
12 14
12 14
11 13
5 11
5 2
11 13
4 8
8 14
13 7
13 12
5 7
14 5
3 5
14 3
13 15
14 3
1 9
1 0
9 3
4 6
10 16
5 11
9 17
9 15
4 10
0 6
10 0
7 8
18 4
7 14
20 5
20 3
6 8
11 15
5 9
9 18
12 14
10 19
18 3
22 1
20 5
14 22
7 9
0 2
10 21
22 1
21 0
21 8
11 17
3 11
4 1...

input:

6525
3
6
8 7 0 6
6
2 6 5 7
6
0 3 8 10
6
8 12 1 4
6
2 8 10 9
6
11 3 4 9
6
2 8 5 10
6
5 7 0 2
6
7 10 5 9
6
6 11 0 5
7
5 11 14 3
7
6 10 12 14
7
6 13 12 14
7
2 3 11 13
7
0 3 5 11
7
9 12 5 2
7
9 0 11 13
7
5 10 4 8
7
0 6 8 14
7
1 4 13 7
8
8 16 13 12
8
10 13 5 7
8
7 9 14 5
8
8 16 3 5
8
7 12 14 3
8
12 16 13...

output:

2
3
9
7
11
6
7
6
4
2
6
9
0
1
13
14
6
9
1
0
9
8
8
1
16
6
5
2
5
10
7
6
14
7
4
0
4
1
9
3
10
12
0
2
9
14
20
10
7
8
13
3
6
19
18
1
16
13
20
20
7
0
18
19
7
18
20
5
6
12
15
16
19
1
3
6
8
1
12
22
3
11
18
8
10
16
4
12
8
4
11
13
19
2
4
18
22
3
13
4
22
14
1
4
1
16
1
0
6
7
4
15
7
4
8
2
1
14
16
10
13
5
15
8
3
6
...

result:

ok very good job! (6525 test cases)

Test #14:

score: 0
Accepted
time: 333ms = 0ms + 333ms
memory: 0kb,3820kb

input:

6525
1
6
10 1 2 4 12 7
6
11 12 2 8 9 5
6
0 10 9 11 12 8
6
8 1 10 3 6 5
6
0 1 8 12 7 6
6
0 10 2 3 4 6
6
12 6 2 3 4 10
6
12 1 2 3 8 6
6
0 8 11 3 7 5
6
0 7 9 4 10 11
7
0 7 13 3 4 5 6
7
12 10 2 3 4 5 6
7
10 11 2 3 4 12 7
7
11 10 9 4 5 6 14
7
0 12 13 3 8 6 11
7
7 13 2 12 14 5 9
7
0 8 2 11 13 12 7
7
13 8 ...

output:

4 12
5 11
10 12
6 8
8 7
10 6
10 12
2 12
5 11
0 4
13 3
3 6
4 3
4 9
13 3
14 5
8 7
3 8
0 2
0 7
13 3
14 2
16 3
13 4
4 10
0 8
5 7
9 13
14 16
6 14
12 18
0 2
0 9
9 15
15 4
6 12
14 18
12 16
10 12
12 2
6 10
14 0
5 12
7 9
16 4
2 10
11 17
6 8
9 12
13 15
14 16
1 7
1 11
20 1
16 3
2 6
6 15
17 2
13 0
16 18
0 10
20...

input:

6525
2
6
0 5 6 8 9 11
6
0 1 3 4 6 10
6
2 3 4 5 6 7
6
0 2 4 7 9 12
6
2 4 5 9 10 11
6
1 5 8 9 11 12
6
0 1 5 7 8 9
6
0 4 5 7 9 11
6
1 2 4 6 9 12
6
1 2 5 6 8 12
7
1 2 8 9 10 12 14
7
0 1 7 8 9 11 14
7
0 1 6 8 9 13 14
7
0 1 3 7 8 12 13
7
1 2 4 7 9 10 14
7
0 1 3 4 6 10 11
7
1 4 5 6 9 10 14
7
0 1 5 9 10 12 ...

output:

5 8
3 6
7 5
7 9
9 4
5 9
1 7
9 11
12 4
6 2
10 12
9 1
14 8
13 0
2 1
4 6
9 14
12 0
10 12
6 8
16 6
0 8
10 1
14 3
0 2
7 9
1 3
11 1
0 5
16 7
13 3
6 15
18 8
10 16
1 5
10 14
11 17
15 5
5 7
7 9
4 8
7 13
11 17
17 2
9 13
1 3
20 4
15 19
0 6
0 10
7 17
2 13
20 5
4 12
20 2
1 3
0 5
15 21
7 9
10 17
6 15
11 15
15 19
...

input:

6525
3
6
4 12 5 8
6
5 11 3 6
6
10 12 7 5
6
6 8 7 9
6
8 7 9 4
6
10 6 5 9
6
10 12 1 7
6
2 12 9 11
6
5 11 12 4
6
0 4 6 2
7
13 3 10 12
7
3 6 9 1
7
4 3 14 8
7
4 9 13 0
7
13 3 2 1
7
14 5 4 6
7
8 7 9 14
7
3 8 12 0
7
0 2 10 12
7
0 7 6 8
8
13 3 16 6
8
14 2 0 8
8
16 3 10 1
8
13 4 14 3
8
4 10 0 2
8
0 8 7 9
8
5...

output:

3
7
1
11
3
7
11
10
10
3
11
13
5
2
5
8
3
11
3
12
15
5
2
0
9
5
9
0
8
4
15
17
11
13
16
17
8
14
2
4
7
4
9
14
0
13
16
18
18
2
19
0
16
16
14
17
10
7
20
4
19
19
10
12
5
3
10
7
14
1
20
0
14
0
3
8
3
16
19
20
18
16
14
15
21
0
14
1
15
7
17
17
8
0
1
7
13
4
1
16
21
18
22
11
6
3
15
6
18
17
3
5
14
19
10
5
1
5
21
7...

result:

ok very good job! (6525 test cases)

Test #15:

score: 0
Accepted
time: 352ms = 0ms + 352ms
memory: 0kb,3792kb

input:

6525
1
6
7 6 2 10 8 5
6
9 1 7 3 11 5
6
0 2 9 10 8 6
6
1 10 11 4 12 9
6
12 1 2 9 11 10
6
11 1 2 3 4 8
6
0 11 2 6 8 10
6
0 1 2 3 4 9
6
0 10 6 3 4 7
6
9 11 2 8 4 5
7
8 12 9 3 10 5 6
7
0 1 8 3 9 5 6
7
0 14 11 7 4 5 12
7
0 1 7 3 4 12 11
7
0 1 11 3 8 5 6
7
12 10 2 3 4 7 11
7
12 1 7 13 4 8 6
7
0 1 11 3 7 5...

output:

10 6
9 11
8 10
12 4
10 2
2 4
11 10
3 9
4 3
11 2
6 10
1 3
5 11
12 4
3 5
4 3
4 8
1 5
12 3
0 4
16 15
6 12
4 11
13 4
16 3
15 1
15 4
12 16
16 6
7 6
0 4
6 13
4 10
14 3
12 18
4 12
11 1
11 0
0 9
14 16
5 11
14 2
18 3
15 0
6 8
6 16
5 10
4 6
16 3
10 17
6 12
13 15
18 20
14 0
0 10
5 10
12 14
12 16
19 5
6 12
6 10...

input:

6525
2
6
0 1 3 4 9 12
6
0 2 4 8 10 12
6
3 4 5 7 11 12
6
2 3 5 6 7 8
6
0 4 5 6 7 8
6
0 5 6 7 9 12
6
1 3 4 5 7 12
6
5 6 7 10 11 12
6
1 2 5 8 9 11
6
0 1 3 7 10 12
7
0 1 2 4 11 13 14
7
2 4 7 11 12 13 14
7
1 2 3 6 8 9 13
7
2 5 6 8 9 13 14
7
2 4 7 9 10 12 14
7
0 1 5 6 8 13 14
7
0 2 3 5 9 10 11
7
2 4 8 9 1...

output:

3 4
8 12
7 12
3 7
8 0
0 12
5 7
12 11
9 11
3 0
14 1
2 4
1 8
5 14
12 14
14 5
9 11
13 2
13 2
8 13
14 13
4 9
16 3
2 8
6 8
3 4
12 16
15 6
3 7
12 13
5 9
1 2
5 7
2 6
17 6
15 5
9 17
15 2
17 1
1 10
2 12
1 9
16 1
17 20
15 2
11 10
11 19
3 5
19 0
16 20
2 13
14 0
10 15
1 10
7 18
19 0
9 18
13 21
20 3
11 15
19 21
...

input:

6525
3
6
10 6 3 4
6
9 11 8 12
6
8 10 7 12
6
12 4 3 7
6
10 2 8 0
6
2 4 0 12
6
11 10 5 7
6
3 9 12 11
6
4 3 9 11
6
11 2 3 0
7
6 10 14 1
7
1 3 2 4
7
5 11 1 8
7
12 4 5 14
7
3 5 12 14
7
4 3 14 5
7
4 8 9 11
7
1 5 13 2
7
12 3 13 2
7
0 4 8 13
8
16 15 14 13
8
6 12 4 9
8
4 11 16 3
8
13 4 2 8
8
16 3 6 8
8
15 1 ...

output:

11
6
1
0
3
10
9
8
12
6
7
10
10
10
13
9
14
12
0
10
4
10
0
12
9
6
2
1
1
15
10
18
6
16
2
1
0
5
15
8
6
8
2
16
16
20
9
12
2
0
18
2
3
22
17
6
8
15
11
1
18
19
15
13
14
0
13
7
19
7
8
1
15
9
22
20
19
6
9
13
18
3
14
18
21
6
3
16
8
9
21
4
10
2
1
19
7
1
13
9
20
22
16
10
17
7
10
10
9
0
1
21
15
3
13
6
14
1
18
21
...

result:

ok very good job! (6525 test cases)

Test #16:

score: 0
Accepted
time: 330ms = 0ms + 330ms
memory: 0kb,3640kb

input:

6525
1
6
11 8 2 4 10 6
6
0 9 2 3 7 8
6
1 11 7 9 5 10
6
1 2 3 4 5 9
6
11 6 2 12 10 5
6
11 1 8 3 6 7
6
6 9 2 12 4 11
6
7 12 10 3 4 6
6
10 11 12 4 5 9
6
1 10 3 11 5 9
7
0 1 9 3 12 10 7
7
12 13 2 3 4 5 11
7
0 13 10 4 8 6 7
7
0 1 2 3 10 11 12
7
14 11 2 7 10 5 6
7
0 1 2 12 4 5 8
7
9 2 3 4 13 12 7
7
10 2 3...

output:

6 11
3 2
1 7
9 5
12 2
1 6
4 6
7 12
12 11
10 3
9 0
5 4
0 6
0 3
14 6
0 4
3 7
3 7
14 13
12 3
6 14
6 10
13 2
14 16
14 1
5 11
14 4
1 9
1 4
11 15
17 0
18 8
7 15
14 2
3 5
17 0
10 14
6 15
16 18
18 0
10 16
16 20
5 9
7 9
14 16
5 9
5 13
6 5
19 0
20 4
14 20
5 15
12 0
14 1
12 16
5 9
20 1
22 0
13 19
2 8
3 9
17 3
...

input:

6525
2
6
0 1 5 7 9 12
6
1 4 5 6 11 12
6
2 3 4 6 8 12
6
6 7 8 10 11 12
6
0 1 3 4 8 9
6
0 2 4 5 10 12
6
0 1 3 5 7 8
6
0 1 2 5 8 11
6
1 2 3 6 7 8
6
2 4 6 7 8 12
7
2 4 5 6 11 13 14
7
0 1 6 7 8 9 14
7
1 3 5 9 11 12 14
7
4 5 6 8 9 13 14
7
0 1 3 4 8 9 12
7
3 6 7 9 11 13 14
7
0 5 6 8 10 11 14
7
0 4 6 8 9 13...

output:

7 9
12 1
6 12
6 11
3 8
4 10
8 1
0 2
1 2
7 2
14 6
14 1
9 11
4 9
0 9
7 14
8 10
14 4
9 0
8 10
11 10
16 5
10 14
13 2
9 15
13 1
12 1
7 11
11 0
9 0
7 9
17 2
16 18
11 0
2 1
1 4
0 8
1 7
15 2
11 15
19 2
10 12
8 16
6 16
20 19
14 18
14 1
1 10
5 4
9 19
11 13
6 14
5 9
12 16
9 13
4 6
4 12
18 21
11 17
3 12
8 12
6 ...

input:

6525
3
6
6 11 7 9
6
3 2 12 1
6
1 7 6 12
6
9 5 6 11
6
12 2 3 8
6
1 6 4 10
6
4 6 8 1
6
7 12 0 2
6
12 11 1 2
6
10 3 7 2
7
9 0 14 6
7
5 4 14 1
7
0 6 9 11
7
0 3 4 9
7
14 6 0 9
7
0 4 7 14
7
3 7 8 10
7
3 7 14 4
7
14 13 9 0
7
12 3 8 10
8
6 14 11 10
8
6 10 16 5
8
13 2 10 14
8
14 16 13 2
8
14 1 9 15
8
5 11 13...

output:

3
10
0
0
7
9
10
9
0
0
8
10
2
7
13
10
1
1
4
6
13
7
6
3
6
2
10
3
9
8
12
6
10
15
13
8
3
14
3
7
8
13
2
2
7
19
15
20
17
16
17
3
10
13
21
11
16
16
16
22
7
4
9
16
1
1
15
12
16
19
17
8
16
13
20
11
21
9
1
6
12
3
10
18
5
0
14
14
12
11
10
10
2
7
21
11
7
6
9
21
20
7
1
8
4
22
0
9
1
22
7
3
12
20
2
0
13
14
4
12
16...

result:

ok very good job! (6525 test cases)

Test #17:

score: 0
Accepted
time: 329ms = 0ms + 329ms
memory: 0kb,5612kb

input:

6525
1
6
0 1 2 11 7 6
6
9 12 3 10 5 8
6
11 8 2 3 6 5
6
0 6 2 3 4 12
6
9 1 7 10 4 11
6
0 7 9 4 11 10
6
0 8 10 3 11 5
6
12 2 7 4 9 6
6
0 12 9 3 6 5
6
6 9 12 3 11 5
7
14 12 2 3 11 13 10
7
8 1 3 4 13 10 9
7
12 1 8 3 11 9 6
7
0 1 2 3 4 9 8
7
9 10 14 3 13 12 6
7
0 1 2 13 11 10 12
7
13 1 3 9 8 14 12
7
0 11...

output:

0 2
8 9
3 11
0 2
1 10
0 4
11 10
6 9
6 12
5 9
11 14
8 13
9 1
9 0
3 14
10 13
14 1
2 8
0 10
10 11
4 12
1 5
5 13
14 1
15 4
0 16
2 10
11 2
4 10
1 4
7 15
15 17
14 1
14 16
9 13
8 10
0 4
7 15
14 3
3 9
5 13
19 8
3 12
17 0
0 4
10 12
1 5
19 0
1 6
19 5
16 20
21 4
3 5
4 12
13 22
16 21
2 5
1 0
3 9
7 16
0 5
4 14
1...

input:

6525
2
6
3 5 8 9 10 12
6
0 2 4 6 7 11
6
0 1 4 7 10 12
6
1 5 7 9 10 11
6
0 2 3 5 6 12
6
1 2 5 6 8 12
6
1 2 4 6 9 12
6
1 3 5 8 10 11
6
1 2 4 7 10 11
6
0 1 2 4 7 8
7
0 1 4 5 6 7 9
7
0 5 6 7 11 12 14
7
0 2 4 5 7 13 14
7
5 6 10 11 12 13 14
7
0 1 2 4 5 7 11
7
3 4 5 6 7 8 14
7
0 4 5 6 7 10 11
7
1 4 5 6 10 ...

output:

8 9
2 6
12 4
1 7
12 5
6 2
12 4
10 1
7 11
1 4
0 4
14 6
13 2
10 12
4 11
14 5
11 0
4 10
1 3
4 9
1 5
0 6
2 6
4 6
8 12
6 8
0 7
1 5
3 2
6 13
5 14
2 6
18 6
9 13
4 6
2 7
2 6
13 2
15 4
18 12
12 16
0 6
19 6
6 16
17 19
20 9
3 7
10 12
11 13
17 2
11 17
11 22
19 1
14 22
16 18
0 8
22 3
6 8
20 22
9 11
12 18
0 2
10 ...

input:

6525
3
6
0 2 8 9
6
8 9 2 6
6
3 11 12 4
6
0 2 1 7
6
1 10 12 5
6
0 4 6 2
6
11 10 12 4
6
6 9 10 1
6
6 12 7 11
6
5 9 1 4
7
11 14 0 4
7
8 13 14 6
7
9 1 13 2
7
9 0 10 12
7
3 14 4 11
7
10 13 14 5
7
14 1 11 0
7
2 8 4 10
7
0 10 1 3
7
10 11 4 9
8
4 12 1 5
8
1 5 0 6
8
5 13 2 6
8
14 1 4 6
8
15 4 8 12
8
0 16 6 8...

output:

4
1
9
8
8
3
7
0
8
10
8
2
10
7
8
9
2
3
11
6
6
11
4
13
6
10
16
16
7
5
8
18
9
12
3
15
13
10
1
10
19
15
1
12
1
6
13
11
16
10
14
17
9
20
0
12
7
15
19
13
17
13
15
11
22
8
3
7
18
20
14
15
21
20
20
17
7
19
4
6
6
8
17
10
14
2
18
17
3
9
16
16
10
9
21
3
7
17
15
22
18
13
9
4
2
7
17
5
16
21
16
18
12
6
20
10
3
7
...

result:

ok very good job! (6525 test cases)

Test #18:

score: 0
Accepted
time: 334ms = 0ms + 334ms
memory: 0kb,5668kb

input:

6525
1
6
0 1 9 6 11 5
6
0 11 2 3 10 6
6
0 9 2 3 12 5
6
11 10 2 3 7 5
6
10 1 11 3 4 6
6
0 1 3 4 10 7
6
11 8 7 9 12 6
6
9 10 6 3 12 5
6
9 1 7 8 10 6
6
1 2 3 10 5 12
7
13 1 10 3 12 8 7
7
0 11 2 14 4 5 12
7
0 1 2 8 12 5 14
7
10 11 2 3 9 5 6
7
0 11 13 14 4 9 7
7
10 1 13 3 14 9 8
7
0 10 13 9 8 11 7
7
13 1...

output:

11 1
10 2
3 12
5 3
1 4
10 1
6 9
3 9
7 10
12 2
8 10
2 4
1 8
6 11
11 0
10 1
11 0
13 4
1 7
12 3
5 9
5 12
0 12
4 11
16 1
4 8
13 16
10 13
0 8
11 13
11 0
16 6
13 2
3 7
3 7
1 3
13 15
4 6
8 14
5 8
2 12
2 4
13 17
1 8
4 6
13 15
0 6
8 16
7 9
9 11
2 6
20 5
20 4
1 9
10 12
21 0
18 1
11 1
4 10
11 15
10 14
3 7
13 1...

input:

6525
2
6
2 3 4 7 10 12
6
1 5 7 8 9 12
6
1 4 7 8 10 11
6
0 1 4 6 8 9
6
0 2 7 8 9 12
6
5 6 8 9 11 12
6
0 2 3 4 5 10
6
0 1 2 4 7 8
6
0 2 3 4 5 11
6
4 6 7 8 9 11
7
0 2 4 6 9 11 14
7
1 3 6 7 8 9 10
7
3 4 6 7 9 11 13
7
0 1 4 7 8 13 14
7
1 2 3 5 8 10 12
7
0 2 5 6 7 11 12
7
1 2 3 4 6 12 14
7
1 2 3 6 8 10 14...

output:

4 7
1 5
7 10
0 4
9 2
12 11
5 0
1 4
11 0
4 8
0 2
3 10
7 9
0 4
10 12
11 0
3 6
3 10
8 10
7 13
6 8
0 8
9 13
6 13
3 5
1 9
15 0
7 11
2 4
14 5
8 14
3 9
14 4
10 16
5 11
18 7
8 12
9 10
15 17
17 1
14 18
19 1
14 1
15 19
1 5
5 7
8 10
5 9
13 19
10 14
22 7
22 3
0 9
19 20
11 17
5 7
2 6
5 13
1 5
19 21
20 6
13 19
3 ...

input:

6525
3
6
11 1 4 7
6
10 2 1 5
6
3 12 7 10
6
5 3 0 4
6
1 4 9 2
6
10 1 12 11
6
6 9 5 0
6
3 9 1 4
6
7 10 11 0
6
12 2 4 8
7
8 10 0 2
7
2 4 3 10
7
1 8 7 9
7
6 11 0 4
7
11 0 10 12
7
10 1 11 0
7
11 0 3 6
7
13 4 3 10
7
1 7 8 10
7
12 3 7 13
8
5 9 6 8
8
5 12 0 8
8
0 12 9 13
8
4 11 6 13
8
16 1 3 5
8
4 8 1 9
8
1...

output:

8
4
6
12
5
2
1
11
12
0
5
13
10
12
6
4
5
0
2
5
3
13
2
0
13
6
12
5
10
4
12
2
12
1
6
14
14
5
11
13
19
8
9
10
13
1
9
2
18
20
16
21
18
22
21
18
21
15
13
13
21
2
6
5
15
16
4
1
18
13
6
15
9
11
1
13
5
22
14
4
3
11
8
20
16
2
13
19
22
2
16
18
18
4
7
18
5
2
1
2
6
2
4
1
10
18
16
20
5
18
16
19
18
16
11
7
3
0
17
...

result:

ok very good job! (6525 test cases)

Test #19:

score: 0
Accepted
time: 333ms = 0ms + 333ms
memory: 0kb,5824kb

input:

6525
1
6
8 11 2 3 6 12
6
7 11 2 3 5 6
6
10 1 6 8 9 5
6
0 12 7 11 4 5
6
0 10 11 3 4 6
6
1 8 3 11 10 12
6
0 1 12 4 5 7
6
0 8 2 10 12 6
6
0 1 2 11 4 6
6
0 1 9 3 6 11
7
8 1 14 3 12 10 11
7
0 8 11 4 9 13 7
7
10 1 8 14 12 6 9
7
0 13 9 7 14 5 6
7
7 12 2 14 4 5 9
7
0 12 2 3 4 9 7
7
0 1 9 11 4 8 14
7
1 2 13 ...

output:

8 11
5 11
5 8
0 12
6 10
11 1
1 5
12 0
4 2
11 6
12 1
7 8
14 1
13 5
7 9
12 2
0 4
2 8
6 11
4 14
6 14
4 8
7 11
9 13
15 0
7 1
0 6
11 1
5 9
9 8
7 9
11 17
3 7
17 5
18 1
18 1
9 13
14 3
17 5
16 2
15 20
4 3
15 17
7 13
7 9
4 6
14 18
4 6
12 16
9 17
13 17
19 5
4 14
20 3
5 11
7 12
15 0
5 9
2 8
11 19
10 14
9 16
17...

input:

6525
2
6
0 1 4 5 9 10
6
0 1 8 9 10 12
6
0 2 3 4 7 11
6
1 2 3 8 9 10
6
1 2 5 7 9 12
6
2 4 5 6 7 9
6
2 6 8 9 10 11
6
1 3 5 7 9 11
6
3 5 7 8 9 12
6
2 4 5 7 8 10
7
0 2 4 5 6 7 9
7
1 2 5 6 10 12 14
7
0 2 4 5 7 11 13
7
1 2 3 4 8 10 12
7
0 1 3 6 8 10 11
7
1 5 8 10 11 13 14
7
2 3 6 7 10 12 13
7
3 4 6 9 10 1...

output:

1 5
1 0
0 2
1 9
2 5
5 9
6 8
9 11
3 7
2 5
2 4
5 6
11 13
8 12
8 10
14 5
6 10
9 11
8 3
10 13
11 13
7 11
1 3
15 0
14 3
4 9
16 5
10 12
14 0
11 2
4 12
0 2
9 11
18 6
14 16
14 16
0 5
7 13
0 4
10 14
9 14
1 5
13 19
8 10
14 20
0 9
11 17
15 1
4 10
8 15
12 18
4 13
7 12
19 2
18 20
0 2
9 11
15 20
17 0
16 22
13 15
...

input:

6525
3
6
8 11 1 5
6
5 11 1 0
6
5 8 0 2
6
0 12 1 9
6
6 10 2 5
6
11 1 5 9
6
1 5 6 8
6
12 0 9 11
6
4 2 3 7
6
11 6 2 5
7
12 1 2 4
7
7 8 5 6
7
14 1 11 13
7
13 5 8 12
7
7 9 8 10
7
12 2 14 5
7
0 4 6 10
7
2 8 9 11
7
6 11 8 3
7
4 14 10 13
8
6 14 11 13
8
4 8 7 11
8
7 11 1 3
8
9 13 15 0
8
15 0 14 3
8
7 1 4 9
8...

output:

7
4
12
6
8
0
3
4
10
12
13
3
3
11
13
6
5
0
4
5
12
2
6
7
1
10
12
0
3
10
3
4
4
15
4
4
15
10
6
17
13
14
10
2
17
1
12
8
0
7
16
14
16
1
19
1
17
10
21
12
20
11
5
7
17
16
11
1
1
11
14
5
2
6
21
19
7
5
22
22
12
16
17
13
17
13
9
17
10
9
20
2
0
12
15
20
5
18
16
6
0
6
1
21
16
8
21
11
3
1
17
2
12
5
8
9
17
15
10
6...

result:

ok very good job! (6525 test cases)

Test #20:

score: 0
Accepted
time: 323ms = 0ms + 323ms
memory: 0kb,7916kb

input:

6300
1
6
7 2 10 4 5 11
6
8 11 12 10 5 6
6
6 12 2 8 4 10
6
7 12 8 3 4 5
6
0 11 2 8 5 6
6
11 1 2 6 8 5
6
12 2 9 4 10 6
6
11 2 12 4 5 6
6
12 6 2 10 4 5
6
12 8 2 7 9 6
7
0 8 3 12 13 11 7
7
0 12 10 14 11 13 6
7
0 1 8 14 10 6 7
7
11 10 14 3 4 5 6
7
13 7 11 9 4 5 6
7
14 8 11 12 9 6 7
7
0 11 2 4 5 6 7
7
13 ...

output:

11 2
5 8
2 4
5 8
6 5
6 8
2 6
11 4
6 4
2 8
7 11
12 0
7 10
6 10
9 11
6 8
4 6
11 13
0 2
7 13
3 8
10 0
6 11
10 16
5 13
4 8
8 12
9 11
15 1
5 7
7 9
13 2
7 6
0 5
9 16
16 18
0 8
2 11
4 12
14 3
3 13
14 6
7 11
14 3
11 15
11 19
1 10
4 8
8 12
5 15
18 8
4 12
8 10
7 9
12 14
8 18
21 7
4 12
2 11
10 12
15 18
15 17
5...

input:

6300
2
6
1 3 6 8 9 12
6
1 2 3 4 7 9
6
0 1 3 5 7 9
6
0 1 2 9 10 11
6
1 4 7 9 10 12
6
0 3 4 7 9 12
6
0 3 5 7 8 11
6
0 3 7 8 9 10
6
0 1 3 8 9 11
6
0 1 4 5 10 11
7
1 4 5 6 9 10 14
7
1 2 3 4 5 8 9
7
2 4 5 9 11 12 13
7
0 1 2 7 9 12 13
7
0 1 2 3 10 12 14
7
0 2 3 4 5 10 13
7
1 8 9 10 12 13 14
7
0 3 5 6 7 8 ...

output:

12 1
4 9
5 3
1 9
1 7
7 3
5 11
9 0
3 9
10 0
9 14
1 3
9 13
13 0
10 14
4 10
13 1
7 9
4 7
2 8
10 0
11 1
12 1
7 14
7 14
5 10
6 11
1 5
8 2
6 9
10 11
18 3
8 10
13 15
8 12
17 4
9 11
0 4
18 1
9 17
5 10
2 10
13 2
8 17
14 0
0 2
9 14
12 14
11 18
9 13
2 4
6 10
11 15
12 14
0 4
14 22
13 15
18 20
17 22
17 3
7 9
2 1...

input:

6300
3
6
11 2 12 1
6
5 8 4 9
6
2 4 5 3
6
5 8 1 9
6
6 5 1 7
6
6 8 7 3
6
2 6 5 11
6
11 4 9 0
6
6 4 3 9
6
2 8 10 0
7
7 11 9 14
7
12 0 1 3
7
7 10 9 13
7
6 10 13 0
7
9 11 10 14
7
6 8 4 10
7
4 6 13 1
7
11 13 7 9
7
0 2 4 7
7
7 13 2 8
8
3 8 10 0
8
10 0 11 1
8
6 11 12 1
8
10 16 7 14
8
5 13 7 14
8
4 8 5 10
8
...

output:

0
0
11
6
3
10
1
1
7
3
2
7
3
8
8
1
3
10
1
0
15
6
2
2
6
12
7
4
16
12
1
1
3
12
6
1
5
1
11
7
16
20
15
0
1
5
4
2
7
0
14
7
1
2
8
15
18
19
20
2
10
1
14
13
17
22
1
14
4
2
9
2
7
2
20
6
18
6
20
5
6
12
21
4
0
0
13
1
21
10
10
21
7
10
3
19
7
2
20
6
18
1
0
2
2
21
3
13
22
19
20
8
19
3
6
15
13
8
10
21
11
16
4
8
4
1...

result:

ok very good job! (6300 test cases)

Subtask #4:

score: 0
Time Limit Exceeded

Test #21:

score: 0
Time Limit Exceeded

input:

51051
1
6
7 1 9 3 11 6
6
0 1 6 3 4 7
6
6 1 2 11 10 5
6
0 11 9 3 4 5
6
0 1 8 3 4 5
6
0 1 2 8 7 6
6
10 7 9 4 5 6
6
1 8 3 11 12 6
6
11 2 7 4 8 9
6
10 12 2 3 4 6
7
0 1 11 12 4 10 7
7
0 12 2 3 4 5 7
7
7 9 13 3 4 12 6
7
13 14 2 12 7 5 10
7
0 1 2 3 11 14 6
7
7 13 2 14 10 8 6
7
8 10 2 7 11 5 6
7
12 1 2 7 10...

output:

3 6
0 3
5 2
3 9
0 3
8 1
7 10
1 3
9 4
10 12
4 11
2 4
6 12
7 14
11 3
13 2
2 6
8 7
13 12
11 13
3 10
10 12
13 2
10 11
12 16
2 10
8 12
13 1
9 2
7 11
15 0
10 16
12 1
13 18
14 13
2 6
15 4
4 11
8 0
12 16
0 8
8 10
14 1
12 13
16 3
6 8
0 6
6 10
5 13
6 8
3 5
8 12
16 2
3 14
8 17
11 13
13 0
22 5
15 17
4 8
19 4
0 ...

result:
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服务器时间: 2024-12-02 18:38:59 | 开源项目