Cod sursa(job #3317964)

Utilizator vladm98Munteanu Vlad vladm98 Data 26 octombrie 2025 11:57:39
Problema Stramosi Scor 80
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.64 kb
#include <bits/stdc++.h>

using namespace std;

int dp[21][300005];

signed 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 i = 1; i <= 20; ++i) {
        for (int j = 1; j <= n; ++j) {
            dp[i][j] = dp[i - 1][dp[i - 1][j]];
        }
    }
    for (int i = 1; i <= m; ++i) {
        int p, q;
        cin >> q >> p;
        for (int bit = 0; bit <= 20; ++bit) {
            if (p & (1 << bit)) {
                q = dp[bit][q];
            }
        }
        cout << q << '\n';
    }
}