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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#306141#8018. 染色Nephren_Sakura5 7ms3724kbC++141.8kb2024-01-16 14:15:532024-01-16 14:15:53

Judging History

你现在查看的是最新测评结果

  • [2024-01-16 14:15:53]
  • 评测
  • 测评结果:5
  • 用时:7ms
  • 内存:3724kb
  • [2024-01-16 14:15:53]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define int long long
int n,a[105][105];
bool vis[105][105];
bool f[105][105];
int ans;
int dx[5]={1,-1,0,0,0};
int dy[5]={0,0,1,-1,0};
bool check(){
    for(int i=1; i<=(1<<n); i++)
        for(int j=1; j<=(1<<n); j++){
            if(vis[i][j]==false)
                continue;
            for(int k=0; k<5; k++){
                int nx=i+dx[k],ny=j+dy[k];
                if(nx<1)
                    nx=(1<<n);
                if(nx>(1<<n))
                    nx=1;
                if(ny<1)
                    ny=(1<<n);
                if(ny>(1<<n))
                    ny=1;
                f[nx][ny]=!f[nx][ny];
            }
        }
    for(int i=1; i<=(1<<n); i++)
        for(int j=1; j<=(1<<n); j++)
            if(f[i][j]!=a[i][j])
                return false;
    return true;
}
void dfs(int x,int y){
    if(x>(1<<n)){
        if(check()){
            int s=0;
            for(int i=1; i<=(1<<n); i++)
                for(int j=1; j<=(1<<n); j++)
                    s+=vis[i][j];
            cout<<s<<'\n';
            for(int i=1; i<=(1<<n); i++)
                for(int j=1; j<=(1<<n); j++)
                    if(vis[i][j])
                        cout<<i-1<<' '<<j-1<<'\n';
            exit(0);
        }
        return;
    }
    else if(y>(1<<n)){
        dfs(x+1,1);
        return;
    }
    vis[x][y]=true;
    dfs(x,y+1);
    vis[x][y]=false;
    dfs(x,y+1);
    return;
}
signed main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    cin>>n;
    if(n==2){
        for(int i=1; i<=(1<<n); i++)
            for(int j=1; j<=(1<<n); j++)
                cin>>a[i][j];
        dfs(1,1);
        cout<<-1;
        return 0;
    }
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 5
Accepted
time: 4ms
memory: 3640kb

input:

2
0 0 1 1
1 0 1 0
0 0 0 0
1 1 1 0

output:

7
0 0
1 0
1 3
2 1
3 1
3 2
3 3

result:

ok n=4

Test #2:

score: 0
Wrong Answer
time: 7ms
memory: 3664kb

input:

2
0 0 0 1
1 0 0 0
1 1 0 1
1 0 1 1

output:

-1

result:

wrong answer wa

Test #3:

score: 0
Wrong Answer
time: 3ms
memory: 3724kb

input:

2
1 1 1 0
0 1 0 0
1 0 1 0
0 1 0 1

output:

-1

result:

wrong answer wa

Test #4:

score: 0
Wrong Answer
time: 7ms
memory: 3692kb

input:

2
1 0 1 1
1 0 1 0
0 1 1 0
1 1 1 0

output:

-1

result:

wrong answer wa

Test #5:

score: 0
Wrong Answer
time: 0ms
memory: 3656kb

input:

4
0 0 1 1 0 1 1 0 0 0 0 0 0 0 1 1
0 1 1 0 1 0 0 1 0 1 1 1 1 0 1 0
1 0 0 0 0 0 0 0 1 0 0 0 1 1 1 0
1 0 0 0 1 1 0 0 0 0 0 1 1 1 1 1
0 1 0 0 0 1 1 1 0 1 1 1 1 0 1 0
0 1 1 1 1 1 0 0 1 1 0 0 1 1 1 0
1 1 1 0 1 0 1 1 0 1 0 1 1 1 0 0
1 1 1 1 0 1 1 1 0 1 1 0 0 0 1 1
0 0 0 0 1 1 1 0 1 1 0 1 1 0 0 1
0 0 1 0 1 ...

output:


result:

wrong output format Unexpected end of file - int32 expected

Test #6:

score: 0
Wrong Answer
time: 0ms
memory: 3568kb

input:

4
1 0 0 0 1 0 1 0 0 1 0 0 1 1 1 1
1 0 0 1 1 1 1 1 1 0 1 1 1 0 1 1
1 1 1 0 1 0 1 0 0 0 1 1 1 1 0 0
1 0 1 0 0 1 1 0 1 1 1 1 1 0 1 1
1 1 1 1 1 1 1 1 1 0 1 0 0 0 1 0
1 0 0 0 0 1 1 1 0 0 0 0 1 1 1 0
0 0 1 1 0 0 1 1 1 0 1 0 0 0 1 0
1 0 1 1 0 1 1 0 0 0 0 1 1 0 0 1
1 1 1 1 1 0 0 0 0 1 0 1 0 0 1 0
1 0 0 0 0 ...

output:


result:

wrong output format Unexpected end of file - int32 expected

Test #7:

score: 0
Wrong Answer
time: 0ms
memory: 3572kb

input:

4
1 0 1 1 0 1 0 0 1 0 1 1 0 1 0 1
1 0 1 0 1 1 1 0 1 0 1 0 1 1 0 0
1 0 0 0 0 1 0 1 0 1 0 1 1 1 0 1
1 0 0 0 0 0 0 0 0 0 0 1 1 0 1 1
0 1 1 0 1 0 0 1 0 1 1 0 1 1 0 0
0 0 0 1 0 1 1 0 0 0 1 0 1 1 1 1
0 1 0 0 1 0 0 0 1 1 0 0 1 1 1 1
1 1 0 1 1 1 0 1 1 0 1 0 0 1 0 0
1 1 1 0 1 0 0 1 1 1 1 0 0 1 0 0
1 1 1 1 0 ...

output:


result:

wrong output format Unexpected end of file - int32 expected

Test #8:

score: 0
Wrong Answer
time: 0ms
memory: 3656kb

input:

7
1 1 1 1 1 1 0 0 0 1 1 1 0 1 1 1 1 1 0 0 0 1 1 1 0 1 1 1 1 1 1 0 1 0 0 0 0 1 1 1 0 0 1 1 1 1 0 0 1 0 0 1 1 0 1 0 1 1 1 1 1 0 0 1 1 0 0 0 0 0 0 0 1 0 1 0 0 0 0 1 1 1 1 1 0 1 0 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 1 0 0 1 0 0 1 1 1 1 1 1 0 0 0 0 1 0 0 1 0 0 0 0 0
1 0 1 0 1 0 0 1 1 0 1 0 1 0 0 1 0 1 0 0 1 ...

output:


result:

wrong output format Unexpected end of file - int32 expected

Test #9:

score: 0
Wrong Answer
time: 0ms
memory: 3652kb

input:

7
1 1 0 1 0 0 1 0 0 0 0 1 1 1 0 0 1 1 1 0 0 1 1 0 1 1 0 0 1 0 1 0 1 0 1 1 1 0 0 0 1 0 0 0 0 0 1 0 0 0 1 1 1 0 1 0 0 0 1 0 1 0 1 0 0 0 0 1 1 1 0 0 0 0 1 1 0 1 0 0 0 0 1 0 1 0 0 1 1 0 0 1 0 0 1 1 0 1 1 1 1 1 0 0 0 1 1 0 0 0 1 1 1 1 0 1 1 1 1 0 1 1 0 1 0 1 1 1
1 0 1 1 1 0 0 0 0 0 1 1 1 1 1 0 0 1 0 0 1 ...

output:


result:

wrong output format Unexpected end of file - int32 expected

Test #10:

score: 0
Wrong Answer
time: 0ms
memory: 3636kb

input:

7
1 0 1 1 1 0 0 0 1 1 0 0 1 1 0 0 0 1 0 1 1 0 1 0 0 1 0 1 1 1 1 1 1 0 1 1 1 1 1 0 0 0 1 0 1 0 1 1 1 1 0 1 1 1 0 1 0 0 1 0 1 0 1 0 0 1 0 1 1 1 1 0 1 1 0 0 1 1 1 0 1 1 1 0 0 1 1 0 0 0 0 1 1 0 0 1 1 0 1 1 1 0 0 0 0 0 0 0 1 1 0 0 0 0 1 1 0 1 0 1 1 1 0 1 0 1 0 1
1 0 1 1 1 1 0 1 1 0 1 1 0 0 1 1 1 0 0 0 0 ...

output:


result:

wrong output format Unexpected end of file - int32 expected

Test #11:

score: 0
Wrong Answer
time: 0ms
memory: 3572kb

input:

11
1 1 0 1 1 1 1 0 0 1 0 0 1 0 0 0 1 0 1 1 1 0 0 0 1 1 1 1 0 1 0 1 1 0 0 0 0 0 1 1 0 0 1 0 0 0 1 0 0 1 1 0 1 0 1 1 1 1 0 0 0 0 1 0 0 0 0 1 1 1 0 1 0 1 0 0 1 1 1 1 1 0 0 0 0 1 0 1 0 1 1 0 1 1 0 0 0 0 1 0 0 1 0 1 1 1 0 0 0 0 1 1 1 1 0 1 1 1 1 0 0 1 0 1 0 1 0 0 1 1 1 0 0 0 0 1 0 0 0 0 1 0 1 1 0 1 1 0 1...

output:


result:

wrong output format Unexpected end of file - int32 expected

Test #12:

score: 0
Wrong Answer
time: 0ms
memory: 3572kb

input:

11
1 1 1 1 0 0 0 0 1 1 1 1 0 1 1 0 0 1 0 0 0 0 1 0 1 1 1 0 0 0 1 1 0 0 0 1 1 1 0 0 0 0 1 0 0 0 1 0 0 1 0 0 1 0 1 1 1 0 0 1 1 0 1 0 0 1 1 0 1 1 1 1 1 1 0 0 0 0 0 1 1 0 1 1 1 0 0 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 0 0 0 0 0 0 1 0 0 0 1 1 1 1 0 0 1 0 1 0 0 1 1 1 1 1 1 0 1 1 0 0 0 0 1 1 1 0 0 1 0 1 0 0 0 1 1...

output:


result:

wrong output format Unexpected end of file - int32 expected

Test #13:

score: 0
Wrong Answer
time: 0ms
memory: 3524kb

input:

11
1 0 1 0 1 0 0 0 0 1 1 1 1 1 1 0 0 1 1 0 1 1 0 1 0 0 0 1 1 1 1 1 0 1 0 1 0 1 1 1 1 0 1 1 0 1 1 1 1 1 0 0 1 0 1 0 0 1 0 0 0 0 0 0 1 0 1 1 0 0 0 1 1 0 1 1 1 1 0 1 1 1 0 0 1 1 1 0 0 1 0 0 0 1 0 1 0 1 1 0 1 1 1 0 1 1 0 0 1 1 1 1 0 1 1 0 1 0 1 1 0 0 0 1 1 0 0 0 0 0 0 1 0 1 0 0 0 1 1 0 0 0 1 0 0 1 0 1 0...

output:


result:

wrong output format Unexpected end of file - int32 expected

Test #14:

score: 0
Wrong Answer
time: 0ms
memory: 3652kb

input:

11
1 1 0 1 1 1 0 0 1 0 1 0 1 1 0 0 0 0 1 0 1 0 1 1 1 0 1 0 1 0 1 0 1 0 1 1 0 0 0 0 1 1 0 1 1 1 1 1 1 1 1 0 1 1 1 0 1 1 1 1 1 0 0 1 1 0 0 0 1 0 0 0 1 1 0 1 0 1 0 1 1 1 0 0 0 0 1 1 1 0 1 0 0 0 1 1 0 1 1 1 1 0 1 1 0 0 0 0 1 1 1 0 0 0 0 0 1 0 0 0 1 1 1 0 1 0 0 1 0 0 0 0 0 0 1 1 0 1 0 0 1 0 0 1 0 0 0 0 1...

output:


result:

wrong output format Unexpected end of file - int32 expected

Test #15:

score: 0
Wrong Answer
time: 0ms
memory: 3572kb

input:

11
1 1 0 0 0 0 1 0 1 1 1 0 0 1 1 0 1 1 1 1 0 0 0 0 0 1 0 0 1 1 0 1 1 0 0 0 1 0 1 1 0 0 1 0 1 0 0 0 0 1 1 1 1 1 1 0 1 0 0 0 0 0 1 0 0 0 1 0 1 0 1 0 0 0 1 1 1 0 1 1 0 1 1 0 1 1 0 0 0 0 0 0 0 0 1 0 0 0 1 0 1 0 1 1 1 1 0 0 0 1 0 1 1 1 1 0 0 0 1 1 0 1 1 1 0 1 1 1 1 1 1 0 0 0 1 0 1 1 0 1 1 1 1 1 1 0 1 0 0...

output:


result:

wrong output format Unexpected end of file - int32 expected

Test #16:

score: 0
Wrong Answer
time: 0ms
memory: 3512kb

input:

11
1 0 1 1 1 1 0 0 1 1 0 0 1 1 1 1 0 0 0 0 0 1 0 0 0 1 1 0 1 1 0 0 1 1 1 1 1 0 0 0 1 0 0 1 0 0 0 1 0 0 0 1 0 1 1 0 0 1 1 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 1 0 1 0 0 0 1 0 0 0 0 0 0 1 1 1 0 0 0 1 0 0 1 1 0 1 0 1 1 0 0 0 0 1 0 1 0 0 0 0 0 1 0 0 1 0 0 0 0 1 0 0 1 0 0 1 1 0 1 1 0 1 1 0 1 1 1...

output:


result:

wrong output format Unexpected end of file - int32 expected

Test #17:

score: 0
Wrong Answer
time: 0ms
memory: 3656kb

input:

11
0 1 0 0 0 1 0 0 1 0 0 0 0 1 1 1 0 1 1 1 0 1 0 1 1 1 0 1 1 0 0 1 1 0 0 1 0 1 1 1 0 1 1 0 0 1 0 0 1 0 1 1 0 1 0 1 1 0 0 1 1 0 1 1 1 1 1 1 0 0 0 1 1 0 1 1 1 1 0 0 1 0 1 0 0 0 1 0 1 0 1 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 1 1 1 1 1 0 0 1 0 0 1 0 0 0 1 0 0 0 0 1 0 0 0 0 0 1 1 1 1 1 0 1 1 0 1 0 0 1 0 0 0...

output:


result:

wrong output format Unexpected end of file - int32 expected

Test #18:

score: 0
Wrong Answer
time: 0ms
memory: 3576kb

input:

11
0 0 1 0 0 0 0 0 1 1 0 0 0 0 1 0 1 0 1 1 0 0 0 1 0 1 0 1 0 1 0 1 1 0 1 1 0 0 0 0 1 1 0 0 0 1 0 0 1 1 0 1 1 0 0 1 0 1 1 0 0 0 1 1 0 0 0 1 0 1 1 1 0 1 0 1 1 1 1 0 1 0 1 0 0 0 1 0 0 1 0 0 0 0 1 0 1 1 1 0 0 0 1 1 1 1 0 0 1 0 0 0 1 0 1 0 1 0 0 0 1 1 1 1 1 0 1 1 0 1 1 0 0 1 1 0 0 1 0 1 0 1 0 0 0 0 0 0 1...

output:


result:

wrong output format Unexpected end of file - int32 expected

Test #19:

score: 0
Wrong Answer
time: 0ms
memory: 3712kb

input:

11
1 0 0 1 0 1 1 0 0 0 0 0 1 0 1 1 0 1 0 1 1 0 1 0 0 1 1 1 0 0 0 1 1 1 0 0 1 1 1 1 1 1 1 1 1 0 1 0 1 1 1 1 1 0 0 0 1 0 1 1 1 0 0 0 0 0 1 1 0 1 0 1 1 1 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 0 1 1 1 1 0 1 1 1 0 1 0 0 0 0 0 1 0 1 0 1 1 1 0 0 1 0 0 1 0 0 1 0 1 1 0 0 1 1 0 0 0 0 1 1 1 1 0 1 1 1 0 1 1 1 0...

output:


result:

wrong output format Unexpected end of file - int32 expected

Test #20:

score: 0
Wrong Answer
time: 0ms
memory: 3632kb

input:

11
0 0 0 0 1 0 1 0 1 1 0 0 1 0 0 1 1 0 0 1 0 0 1 0 0 0 0 0 0 0 1 1 0 1 1 1 0 0 1 1 1 1 1 1 1 1 0 0 0 0 1 1 0 1 1 0 1 0 1 0 0 1 1 0 0 1 0 1 1 0 0 0 0 1 0 1 1 1 0 0 0 1 1 1 0 1 1 1 1 0 0 0 1 0 0 1 0 0 1 1 0 1 1 1 0 0 1 1 0 1 0 1 1 1 0 1 0 1 1 0 1 0 1 0 0 0 1 0 1 0 1 1 1 1 1 1 1 0 0 1 1 1 0 0 0 0 1 1 0...

output:


result:

wrong output format Unexpected end of file - int32 expected