제출 #137113

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
137113		KLPP	Ronald (COCI17_ronald)	C++14	120 / 120	194 ms	6392 KiB

ronald

#include<bits/stdc++.h>

using namespace std;
typedef long long int lld;
#define rep(i,a,b) for(int i=a;i<b;i++)

int main(){
  int n,m;
  cin>>n>>m;
  int table[n][n];
  rep(i,0,n){
    rep(j,0,n)table[i][j]=0;
  }
  rep(i,0,m){
    int x,y;
    cin>>x>>y;
    x--;y--;
    table[x][y]=1;
    table[y][x]=1;
  }
  int arr[n];
  arr[0]=0;
  rep(i,1,n){
    arr[i]=1-table[0][i];
  }
  rep(i,0,n){
    rep(j,i+1,n){
      if((arr[i]+arr[j]+table[i][j])%2==0){
	cout<<"NE"<<endl;
	return 0;
      }
    }
  }
  cout<<"DA"<<endl;
  return 0;
}

• 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