Cod sursa(job #2658377)

Utilizator spartanul300Vasile Andrei spartanul300 Data 13 octombrie 2020 20:33:38
Problema Stramosi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.73 kb
#include <bits/stdc++.h>

using namespace std;

ifstream f("stramosi.in");
ofstream g("stramosi.out");

int n,m,i,stramos,t,query,pas,k,tata[250100],d[20][250100];

int main()
{
    f>>n>>m;
    for(i=1;i<=n;i++)
    {
        f>>tata[i];
        d[0][i]=tata[i];
    }

    for(k=1;(1<<k)<=n;k++)
    {
        for(i=1;i<=n;i++)
        {
            d[k][i]=d[k-1][d[k-1][i]];
        }
    }
    for(query=1;query<=m;query++)
    {
        f>>i>>t;

        stramos=i;
        pas=0;
        while(t)
        {
            if(t%2==1)
            {
                stramos=d[pas][stramos];
            }
            pas++;
            t/=2;
        }

        g<<stramos<<'\n';
    }
    return 0;
}