Submission #1552962
Source Code Expand
#include <bits/stdc++.h> #define REP(i,n) for(int i=0;i<(int)(n);i++) #define ALL(x) (x).begin(),(x).end() #define LL long long using namespace std; int main(){ int N,M;cin>>N>>M; int cnt[N];fill_n(cnt,N,0); REP(i,M){ int a,b;cin>>a>>b; cnt[--a]++;cnt[--b]++; } REP(i,N)if(cnt[i]%2){ cout<<"NO"<<endl; return 0; } cout<<"YES"<<endl; return 0; }
Submission Info
Submission Time | |
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Task | B - Unplanned Queries |
User | inmir |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 446 Byte |
Status | AC |
Exec Time | 73 ms |
Memory | 640 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 500 / 500 | ||||
Status |
|
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Set Name | Test Cases |
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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 | 71 ms | 640 KB |
in10.txt | AC | 70 ms | 640 KB |
in11.txt | AC | 61 ms | 256 KB |
in12.txt | AC | 70 ms | 640 KB |
in13.txt | AC | 70 ms | 640 KB |
in14.txt | AC | 69 ms | 640 KB |
in15.txt | AC | 1 ms | 256 KB |
in16.txt | AC | 1 ms | 256 KB |
in2.txt | AC | 71 ms | 640 KB |
in3.txt | AC | 70 ms | 640 KB |
in4.txt | AC | 73 ms | 640 KB |
in5.txt | AC | 70 ms | 640 KB |
in6.txt | AC | 71 ms | 640 KB |
in7.txt | AC | 70 ms | 640 KB |
in8.txt | AC | 71 ms | 640 KB |
in9.txt | AC | 70 ms | 640 KB |
sample1.txt | AC | 1 ms | 256 KB |
sample2.txt | AC | 1 ms | 256 KB |