Submission #1594969
Source Code Expand
#include<bits/stdc++.h> using namespace std; bool v[100005]; int main() { int n,m; scanf("%d%d",&n,&m); while(m--) { int a,b; scanf("%d%d",&a,&b); v[a]^=1;v[b]^=1; } for(int i=1;i<=n;i++)if(v[i]){puts("NO");return 0;} puts("YES"); return 0; }
Submission Info
Submission Time | |
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Task | B - Unplanned Queries |
User | xuyuan |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 272 Byte |
Status | AC |
Exec Time | 17 ms |
Memory | 384 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:7:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^ ./Main.cpp:11:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&a,&b); ^
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 | 17 ms | 384 KB |
in10.txt | AC | 17 ms | 384 KB |
in11.txt | AC | 16 ms | 256 KB |
in12.txt | AC | 17 ms | 384 KB |
in13.txt | AC | 17 ms | 384 KB |
in14.txt | AC | 17 ms | 384 KB |
in15.txt | AC | 1 ms | 256 KB |
in16.txt | AC | 1 ms | 256 KB |
in2.txt | AC | 17 ms | 384 KB |
in3.txt | AC | 17 ms | 384 KB |
in4.txt | AC | 17 ms | 384 KB |
in5.txt | AC | 17 ms | 384 KB |
in6.txt | AC | 17 ms | 384 KB |
in7.txt | AC | 17 ms | 384 KB |
in8.txt | AC | 17 ms | 384 KB |
in9.txt | AC | 17 ms | 384 KB |
sample1.txt | AC | 1 ms | 256 KB |
sample2.txt | AC | 1 ms | 256 KB |