Submission #1140242

#	Time	Username	Problem	Language	Result	Execution time	Memory
1140242		mnbvcxz123	Ronald (COCI17_ronald)	C++20	120 / 120	19 ms	328 KiB

ronald

#include<bits/stdc++.h>
using namespace std;
int main(){
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    int n, m;
    cin>>n>>m;
    vector<bitset<1001>>E(n+1);
    while(m--){
        int u, v;
        cin>>u>>v;
        E[u][v]=E[v][u]=1;
    }
    vector<int>P(n+1);
    P[1]=1;
    for(int i=2;i<=n;i++)
        P[i]=E[1][i];
    for(int i=1;i<=n;i++)
        for(int j=1;j<i;j++)
            if((P[i]+P[j])%2==E[i][j])
                return cout<<"NE", 0;
    cout<<"DA";
}

• Subtask 1: 15 / 15
• Subtask 2: 15 / 15
• Subtask 3: 15 / 15
• Subtask 4: 15 / 15
• Subtask 5: 15 / 15
• Subtask 6: 15 / 15
• Subtask 7: 15 / 15
• Subtask 8: 15 / 15