Cod sursa(job #3322358)

Utilizator 1gbr1Gabara 1gbr1 Data 13 noiembrie 2025 16:51:35
Problema Stramosi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.59 kb
#include <iostream>
#include <random>
#include <fstream>
#include <bitset>

using namespace std;

ifstream fin("stramosi.in");
ofstream fout("stramosi.out");
int dp[19][250001];
int main() {
    int n,m;
    fin>>n>>m;
    for (int i=1; i<=n; i++)
        fin>>dp[0][i];
    for (int i=1; i<=18; i++)
        for (int j=1; j<=n; j++)
            dp[i][j]=dp[i-1][dp[i-1][j]];
    while (m--) {
        int p,q,ans;
        fin>>q>>p;
        ans=q;
        for (int i=0; (1<<i)<=p; i++) {
            if ((1<<i) & p)
                ans=dp[i][ans];
        }
        fout<<ans<<"\n";
    }
    return 0;
}