Cod sursa(job #1482802)

Utilizator FairPlay94George Cioroiu FairPlay94 Data 7 septembrie 2015 22:26:25
Problema Stramosi Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.88 kb
#include <cstdio>
#include <iostream>

using namespace std;

int main() {
    freopen("stramosi.in", "r", stdin);
    freopen("stramosi.out", "w", stdout);

   // ios::sync_with_stdio(false);
    //cin.tie(0);

    int n, m;
    scanf("%d%d", &n, &m);
    int s[20][100];
    for (int i = 0; i < 20; i++) {
        s[i][0] = 0;
    }
    for (int i = 1; i <= n; i++) {
        scanf("%d", &s[1][i]);
        s[0][i] = 0;
    }
    for (int j = 1; j <= n; j++) {
        for (int i = 2; i < 20; i++) {
            s[j][i] = s[s[j][i - 1]][i - 1];
        }
    }
    for (int i = 1; i <= m; i++) {
        int q, p, r = 1;
        scanf("%d%d", &q, &p);
        while (q != 0 && p > 0) {
            if (p % 2 == 1) {
                q = s[q][r];
            }
            p >>= 1;
            r++;
        }
        printf("%d\n", q);
    }

    return 0;
}