Submission #871664

#	Time	Username	Problem	Language	Result	Execution time	Memory
871664		vjudge1	Trobojnica (COCI19_trobojnica)	C++17	0 / 110	0 ms	348 KiB

trobojnica

//author: Ahmet Alp Orakci
#include <bits/stdc++.h>
using namespace std;
using i64 = long long;

#define ONLINE_JUDGE
void solve() {
    int n;
    cin >> n;
    string s;
    cin >> s;

    int arr[3] {};
    for(char &ch : s)
        arr[ch - '1']++;

    if(arr[0] % 2 != arr[1] % 2 || arr[1] % 2 != arr[2] % 2 || arr[2] % 2 != arr[0] % 2) {
        cout << "NE";
        return;
    }

    cout << "DA";
    
    return;
}

signed main() {
    #ifndef ONLINE_JUDGE
        freopen(".in", "r", stdin);
        freopen(".out", "w", stdout);
    #endif

    ios_base::sync_with_stdio(false);
    cin.tie(NULL); cout.tie(NULL);

    int t = 1; //cin >> t;
    for(int i = 1; i <= t; i++) {
        solve();
    }

    return 0;
}

• Subtask 1: 0 / 20
• Subtask 2: 0 / 40
• Subtask 3: 0 / 50