Submission #1263483
Source Code Expand
// B. #include <iostream> #include <algorithm> #include <sstream> #include <cstdio> #include <cstring> using namespace std; int main(int argc, char *argv[]) { int n, m; cin >> n >> m; int cnt[100001]; for (int i = 0; i < m; ++i) { int a, b; cin >> a >> b; cnt[a]++; cnt[b]++; } bool ans = m % 2 == 0; for (int i = 1; i <= n; ++i) { if (cnt[i] % 2) { ans = false; } } cout << (ans ? "YES" : "NO") << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - Unplanned Queries |
User | hotpepsi |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 475 Byte |
Status | WA |
Exec Time | 71 ms |
Memory | 640 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 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 | 69 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 | WA | 1 ms | 256 KB |
in16.txt | AC | 1 ms | 256 KB |
in2.txt | AC | 71 ms | 640 KB |
in3.txt | AC | 71 ms | 640 KB |
in4.txt | AC | 69 ms | 640 KB |
in5.txt | AC | 71 ms | 640 KB |
in6.txt | AC | 69 ms | 640 KB |
in7.txt | WA | 71 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 |