Submission #4043712
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; fr(i,2*m){cin>>a;c[a]++;c[a]%=2;} fr(i,n){ if(c[i]&1){ cout<<"NO"<<endl; return 0; } } cout<<"YES"<<endl; }
Submission Info
Submission Time | |
---|---|
Task | B - Unplanned Queries |
User | Motsu_xe |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 273 Byte |
Status | WA |
Exec Time | 72 ms |
Memory | 640 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 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 | 70 ms | 640 KB |
in10.txt | WA | 71 ms | 640 KB |
in11.txt | AC | 60 ms | 256 KB |
in12.txt | WA | 71 ms | 640 KB |
in13.txt | AC | 69 ms | 640 KB |
in14.txt | AC | 71 ms | 640 KB |
in15.txt | AC | 1 ms | 256 KB |
in16.txt | AC | 1 ms | 256 KB |
in2.txt | AC | 70 ms | 640 KB |
in3.txt | AC | 71 ms | 640 KB |
in4.txt | AC | 70 ms | 640 KB |
in5.txt | AC | 71 ms | 640 KB |
in6.txt | AC | 70 ms | 640 KB |
in7.txt | WA | 72 ms | 640 KB |
in8.txt | WA | 70 ms | 640 KB |
in9.txt | AC | 71 ms | 640 KB |
sample1.txt | AC | 1 ms | 256 KB |
sample2.txt | AC | 1 ms | 256 KB |