Submission #516723

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
516723	2022-01-22 03:36:35	KoD	Trobojnica (COCI19_trobojnica)	C++17	110 / 110	53 ms	5964 KiB

trobojnica

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#include <bits/stdc++.h>
using std::vector;
using std::array;
using std::pair;
using std::tuple;
int main() {
    std::ios_base::sync_with_stdio(false);
    std::cin.tie(nullptr);
    int N;
    std::cin >> N;
    vector<int> id(N), label(N), next(N);
    for (int i = 0; i < N; ++i) {
        char c;
        std::cin >> c;
        id[i] = i;
        label[i] = c - '1';
        next[i] = i + 1 == N ? 0 : i + 1;
    }
    array<int, 3> count = {};
    for (const int x : label) {
        count[x] += 1;
    }
    for (const int x : count) {
        if (x == N or x % 2 != N % 2) {
            std::cout << "NE\n";
            return 0;
        }
    }
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 40 / 40
• Subtask 3: 50 / 50