oj.uz

Submission #779119

# Submission time Handle Problem Language Result Execution time Memory
779119 2023-07-11T08:04:43 Z 1075508020060209tc Sajam (COCI18_sajam) C++14
15 / 90
 25 ms 16948 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define X first
#define Y second

int n;int K;
int gr[1010][1010];
int ogr[1010][1010];
int rsame(int r){
for(int i=1;i<=n;i++){
    if(gr[r][i]!=gr[r][1]){return 0;}
}
return 1;
}

void solve(){
for(int i=1;i<=n;i++){
    if(gr[1][i]==0){
        for(int j=1;j<=n;j++){
            gr[j][i]^=1;
        }
    }
}
for(int i=1;i<=n;i++){
    if(rsame(i)==0){return;}
}
cout<<"DA\n";exit(0);
}

signed main(){
cin>>n>>K;
for(int i=1;i<=n;i++){
    string s;
    cin>>s;
    s="*"+s;
    for(int j=1;j<=n;j++){
        if(s[j]=='o'){
            gr[i][j]=0;
        }else{
            gr[i][j]=1;
        }
        ogr[i][j]=gr[i][j];
    }
}
solve();
for(int i=1;i<=n;i++){
    for(int j=1;j<=n;j++){
        gr[i][j]=ogr[i][j];
    }
}
for(int i=1;i<=n;i++){
    gr[1][i]^=1;
}
solve();
cout<<"NE\n";





}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 6 ms 6592 KB Output is correct
3 Correct 7 ms 8660 KB Output is correct
4 Correct 19 ms 15436 KB Output is correct
5 Correct 8 ms 8732 KB Output is correct
6 Correct 4 ms 4608 KB Output is correct
7 Correct 7 ms 8360 KB Output is correct
8 Correct 20 ms 15828 KB Output is correct
9 Correct 2 ms 2900 KB Output is correct
10 Correct 21 ms 15888 KB Output is correct

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 696 KB Output is correct
2 Incorrect 1 ms 852 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 15 ms 12756 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 23 ms 14664 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 11 ms 10912 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 25 ms 16948 KB Output isn't correct
2 Halted 0 ms 0 KB -