Cod sursa(job #2316152)

Utilizator NoemikulcsarKulcsar Noemi Noemikulcsar Data 11 ianuarie 2019 11:56:42
Problema Stramosi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.57 kb
#include <bits/stdc++.h>

using namespace std;

ifstream fin("stramosi.in");
ofstream fout("stramosi.out");

int n, m, p, q;
int TT[25][250001];

int main()
{
    fin>>n>>m;
    for(int i=1; i<=n; ++i) fin>>TT[0][i];
    for(int k=1; (1<<k)<=n; ++k)
    {
        for(int j=1; j<=n; ++j) TT[k][j]=TT[k-1][TT[k-1][j]];
    }
    for(int i=1; i<=m; ++i)
    {
        fin>>q>>p;
        int exp=0;
        while(p>0)
        {
            if(p%2==1) q=TT[exp][q];
            ++exp;
            p=p/2;
        }
        fout<<q<<"\n";
    }
    return 0;
}