Submission #3610594
Source Code Expand
#include <bits/stdc++.h> #define mp make_pair #define pb push_back using namespace std; typedef int32_t i32; typedef uint32_t u32; typedef int64_t i64; typedef uint64_t u64; typedef pair<int,int> pii; typedef vector<int> vi; const int MAX_N = 100000; int n, m; bool odd[MAX_N]; int main() { cin >> n >> m; fill_n(odd,n,false); int a,b; for (int i = 0; i < m; i++) { cin >> a >> b; odd[a-1] = !odd[a-1]; odd[b-1] = !odd[b-1]; } if (all_of(odd,odd+n,[](bool b) { return !b; })) cout << "YES" << endl; else cout << "NO" << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - Unplanned Queries |
User | sash0 |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 615 Byte |
Status | AC |
Exec Time | 76 ms |
Memory | 892 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 500 / 500 | ||||
Status |
|
|
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 | 76 ms | 892 KB |
in10.txt | AC | 70 ms | 384 KB |
in11.txt | AC | 60 ms | 256 KB |
in12.txt | AC | 72 ms | 384 KB |
in13.txt | AC | 69 ms | 384 KB |
in14.txt | AC | 71 ms | 384 KB |
in15.txt | AC | 1 ms | 256 KB |
in16.txt | AC | 1 ms | 256 KB |
in2.txt | AC | 69 ms | 384 KB |
in3.txt | AC | 71 ms | 384 KB |
in4.txt | AC | 71 ms | 384 KB |
in5.txt | AC | 70 ms | 384 KB |
in6.txt | AC | 71 ms | 384 KB |
in7.txt | AC | 69 ms | 384 KB |
in8.txt | AC | 71 ms | 384 KB |
in9.txt | AC | 71 ms | 384 KB |
sample1.txt | AC | 1 ms | 256 KB |
sample2.txt | AC | 1 ms | 256 KB |