Submission #779119

#	Time	Username	Problem	Language	Result	Execution time	Memory
779119		1075508020060209tc	Sajam (COCI18_sajam)	C++14	15 / 90	25 ms	16948 KiB

sajam

#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 / 15
• Subtask 2: 0 / 15
• Subtask 3: 0 / 15
• Subtask 4: 0 / 15
• Subtask 5: 0 / 15
• Subtask 6: 0 / 15