Submission #1152466

#	Time	Username	Problem	Language	Result	Execution time	Memory
1152466		hmm789	Trobojnica (COCI19_trobojnica)	C++20	0 / 110	0 ms	320 KiB

trobojnica

#include "bits/stdc++.h"
using namespace std;
#define int long long
#define double long double
#define INF 1000000000000000000
#define MOD 1000000007

int32_t main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    int n, ans = 0;
    string s;
    cin >> n >> s;
    bool f = true, g = true;
    for(int i = 0; i < n; i++) {
        ans ^= (s[i]-'0');
        if(s[i] != s[0]) f = false;
        if(s[i] != s[(i+1)%n] && (s[(i+n-1)%n] == s[i] || s[(i+n-1)%n] == s[(i+1)%n] || s[(i+2)%n] == s[i] || s[(i+2)%n] == s[(i+1)%n])) g = false;
    }
    if(ans || f || g) {
        cout << "NE\n";
        return 0;
    }
    cout << "DA\n";
    for(int i = 0; i < n-3; i++) {
        cout << 1 << " " << i+3 << " " << i%3+1 << '\n';
    }
}

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