Cod sursa(job #3182245)

Utilizator Horia123144Musat Horia Gabriel Horia123144 Data 8 decembrie 2023 18:55:39
Problema Stramosi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.65 kb
#include <bits/stdc++.h>

using namespace std;
ifstream fin("stramosi.in");
ofstream fout("stramosi.out");
int n,m,r[21][250005],E[250005],k,x,y;
int main()
{
    fin>>n>>m;
    for(int i=1;i<=n;i++)
        fin>>r[0][i];
    E[1]=1;
    for(int i=2;i<=n;i++)
        E[i]=1+E[i/2];
    for(int p=1;(1<<p)<=n;p++)
    {
        for(int i=1;i<=n;i++)
            r[p][i]=r[p-1][r[p-1][i]];
    }
    for(int z=1;z<=m;z++)
    {
        fin>>x>>y;
        int k=0;
        while(y)
        {
            if(y%2==1)
                x=r[k][x];
            k++;
            y/=2;
        }
        fout<<x<<'\n';
    }
    return 0;
}