제출 #519458

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
519458	2022-01-26 11:53:50	amunduzbaev	우주 해적 (JOI14_space_pirate)	C++14	80 / 100	1413 ms	106276 KiB

space_pirate

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#include <bits/stdc++.h>
 
template <class T>
using Vec = std::vector<T>;
 
using ll = long long;
 
constexpr ll INF = std::numeric_limits<ll>::max();
 
int main() {
    std::ios_base::sync_with_stdio(false);
    std::cin.tie(nullptr);
 
    int N;
    ll K;
    std::cin >> N >> K;
    Vec<int> A(N);
    for (auto &x: A) {
        std::cin >> x;
        x -= 1;
    }
 
    if (N <= 3000) {
        Vec<Vec<int>> goes(N);
        Vec<Vec<ll>> ord(N, Vec<ll>(N, INF));
        for (int u = 0; u < N; ++u) {
            goes[u].reserve(N);
            ord[u][u] = 0;
            goes[u].push_back(u);
            while (ord[u][A[goes[u].back()]] == INF) {
 
 
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• Subtask 2: 37 / 37
• Subtask 3: 33 / 33
• Subtask 4: 0 / 20