Submission #1263487


Source Code Expand

#include <bits/stdc++.h>

using namespace std;

#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define pf push_front
#define iter(v, i) for (__typeof__((v).begin()) i = (v).begin(); i != (v).end(); i++)
#define fast_io_without_cstdio ios_base::sync_with_stdio(false), cin.tie(NULL)
#define all(v) (v).begin(), (v).end()

#ifdef __linux__
#define gc getchar_unlocked
#define pc putchar_unlocked
#else
#define gc getchar
#define pc putchar
#endif

#if __cplusplus <= 199711L
template<class BidirIt>
BidirIt prev(BidirIt it, typename iterator_traits<BidirIt>::difference_type n = 1) {
    advance(it, -n);
    return it;
}

template<class ForwardIt>
ForwardIt next(ForwardIt it, typename iterator_traits<ForwardIt>::difference_type n = 1) {
    advance(it, n);
    return it;
}
#endif

typedef long long ll;
typedef pair<int, int> ii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef long double ldouble;

const double EPS = 1e-9;
const double PI = 3.141592653589793238462;

template<typename T>
inline T sq(T a) { return a * a; }

//#ifdef LOCAL_MACHINE
//#endif

const int MAX_N = 1e5 + 5;

int deg[MAX_N];

int main() {
    //freopen("", "rt", stdin);
    //freopen("", "wt", stdout);
    int n, m;
    scanf("%d %d", &n, &m);
    while (m--) {
        int a, b;
        scanf("%d %d", &a, &b);
        deg[a]++;
        deg[b]++;
    }
    int odd = 0;
    for (int i = 1; i <= n; i++)
        if (deg[i] & 1)
            odd++;
    puts(odd <= 1 ? "YES" : "NO");
    return 0;
}

Submission Info

Submission Time
Task B - Unplanned Queries
User chpipis
Language C++14 (GCC 5.4.1)
Score 500
Code Size 1592 Byte
Status AC
Exec Time 18 ms
Memory 640 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:59:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &n, &m);
                           ^
./Main.cpp:62:31: 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
AC × 2
AC × 20
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 18 ms 640 KB
in10.txt AC 18 ms 640 KB
in11.txt AC 16 ms 256 KB
in12.txt AC 18 ms 640 KB
in13.txt AC 18 ms 640 KB
in14.txt AC 18 ms 640 KB
in15.txt AC 1 ms 256 KB
in16.txt AC 1 ms 256 KB
in2.txt AC 18 ms 640 KB
in3.txt AC 18 ms 640 KB
in4.txt AC 18 ms 640 KB
in5.txt AC 18 ms 640 KB
in6.txt AC 18 ms 640 KB
in7.txt AC 18 ms 640 KB
in8.txt AC 18 ms 640 KB
in9.txt AC 18 ms 640 KB
sample1.txt AC 1 ms 256 KB
sample2.txt AC 1 ms 256 KB