제출 #670852

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
670852		Essa2006	Ronald (COCI17_ronald)	C++14	120 / 120	38 ms	6092 KiB

ronald

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define endl '\n'
#define FF first
#define SS second
#define all(a) a.begin(), a.end()
#define mod (ll)(1000000007)
int main(){
    ios_base::sync_with_stdio(false);
    int n, m;
    cin>>n>>m;
    vector<vector<int>>E(n+1, vector<int>(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];
    string ans="DA";
    for(int i=1;i<=n;i++){
        for(int j=1;j<i;j++){
            if((P[i]+P[j])%2==E[i][j]%2){
                ans="NE";
                j=n+1, i=n+1;
                break;
            }
        }
    }
    cout<<ans;
}

• 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