Cod sursa(job #2740612)

Utilizator ClaudiuALLupau Claudiu ClaudiuAL Data 13 aprilie 2021 17:18:52
Problema Stramosi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.64 kb
#include <bits/stdc++.h>

using namespace std;


int d[300000][25];
int n,q,x,y,p,nod,mos;

int main()
{
    ifstream fin("stramosi.in");
    ofstream fout("stramosi.out");
    fin>>n>>q;

    for(int i=1; i<=n; i++)
    {
        fin>>x;
        d[i][0]=x;
    }

    for(int i=1; i<=n; i++)
        for(int j=1; j<=20; j++)
            d[i][j]=d[d[i][j-1]][j-1];

    for( ; q--; )
    {
        fin>>nod>>mos;
        p=0;

        while(mos)
        {
            if(mos%2)
                nod=d[nod][p];
            p++;
            mos=mos/2;
        }
        fout<<nod<< "\n";
    }
    return 0;
}