Cod sursa(job #3301623)

Utilizator vladm98Munteanu Vlad vladm98 Data 28 iunie 2025 13:38:00
Problema Stramosi Scor 80
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.67 kb
#include <bits/stdc++.h>

using namespace std;

int dp[20][250005];

int main()
{
    freopen("stramosi.in", "r", stdin);
    freopen("stramosi.out", "w", stdout);
    int n, m;
    cin >> n >> m;
    for (int i = 1; i <= n; ++i) {
        cin >> dp[0][i];
    }

    for (int p = 1; p < 20; ++p) {
        for (int i = 1; i <= n; ++i) {
            dp[p][i] = dp[p - 1][dp[p - 1][i]];
        }
    }

    for (int i = 1; i <= m; ++i) {
        int node, k;
        cin >> node >> k;

        for (int bit = 0; bit < 20; ++bit) {
            if (((1 << bit) & k) > 0) {
                node = dp[bit][node];
            }
        }

        cout << node << '\n';
    }
    return 0;
}