Submission #4043640

Source Code Expand

#include<iostream>
using namespace std;
#define fr(i,n) for(i=0;i<n;)

int main(){
  int i,n,m,a,c[100010];
  cin>>n>>m;
  for(;cin>>a;) c[a]++;
  bool f=0;
  fr(i,n){
    if(c[i+1]%2>0) break;
    i++;
  }
  cout<<(i!=n?"NO":"YES")<<endl;
}

Submission Info

Submission Time
Task B - Unplanned Queries
User Motsu_xe
Language C++14 (GCC 5.4.1)
Score 0
Code Size 255 Byte
Status WA
Exec Time 76 ms
Memory 640 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 500
Status
AC × 2
AC × 16
WA × 4
Set Name Test Cases
Sample sample1.txt, sample2.txt
All sample1.txt, sample2.txt, in1.txt, in10.txt, in11.txt, in12.txt, in13.txt, in14.txt, in15.txt, in16.txt, in2.txt, in3.txt, in4.txt, in5.txt, in6.txt, in7.txt, in8.txt, in9.txt, sample1.txt, sample2.txt
Case Name Status Exec Time Memory
in1.txt AC 73 ms 640 KB
in10.txt WA 73 ms 640 KB
in11.txt AC 61 ms 256 KB
in12.txt WA 74 ms 640 KB
in13.txt AC 73 ms 640 KB
in14.txt AC 74 ms 640 KB
in15.txt AC 1 ms 256 KB
in16.txt AC 1 ms 256 KB
in2.txt AC 74 ms 640 KB
in3.txt AC 75 ms 640 KB
in4.txt AC 73 ms 640 KB
in5.txt AC 73 ms 640 KB
in6.txt AC 74 ms 640 KB
in7.txt WA 74 ms 640 KB
in8.txt WA 76 ms 640 KB
in9.txt AC 73 ms 640 KB
sample1.txt AC 1 ms 256 KB
sample2.txt AC 1 ms 256 KB