Submission #1604306
Source Code Expand
#include <ctime>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cassert>
#include <algorithm>
#include <iostream>
#include <vector>
#include <queue>
#include <stack>
#include <deque>
#include <set>
#include <map>
using namespace std;
typedef long long ll;
typedef double lf;
typedef long double Lf;
typedef pair <int,int> pii;
typedef pair <ll, ll> pll;
#define TRACE(x) cerr << #x << " " << x << endl
#define FOR(i, a, b) for (int i = (a); i < int(b); i++)
#define REP(i, n) FOR(i, 0, n)
#define all(x) (x).begin(), (x).end()
#define _ << " " <<
#define fi first
#define sec second
#define mp make_pair
const int MAXN = 100100;
int n, m, a, b, cnt[MAXN];
int main() {
scanf("%d %d",&n,&m);
REP(i, m) {
REP(j, 2) {
cin >> a;
cnt[a] ^= 1;
}
}
REP(i, MAXN) {
if (cnt[i]) {
puts("NO");
return 0;
}
}
puts("YES");
return 0;
}
Submission Info
Submission Time
2017-09-17 22:11:48+0900
Task
B - Unplanned Queries
User
mkisic
Language
C++14 (GCC 5.4.1)
Score
500
Code Size
958 Byte
Status
AC
Exec Time
71 ms
Memory
640 KB
Compile Error
./Main.cpp: In function ‘int main()’:
./Main.cpp:37:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d",&n,&m);
^
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
69 ms
640 KB
in10.txt
AC
71 ms
640 KB
in11.txt
AC
60 ms
256 KB
in12.txt
AC
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
69 ms
640 KB
in5.txt
AC
71 ms
640 KB
in6.txt
AC
69 ms
640 KB
in7.txt
AC
71 ms
640 KB
in8.txt
AC
69 ms
640 KB
in9.txt
AC
71 ms
640 KB
sample1.txt
AC
1 ms
256 KB
sample2.txt
AC
1 ms
256 KB