Cod sursa(job #2917508)

Utilizator andreea_serAndreea Serban andreea_ser Data 5 august 2022 14:09:10
Problema Stramosi Scor 80
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.74 kb
// AS 1
#include <iostream>
#include <fstream>
using namespace std;
#define M 2500001
ifstream f("stramosi.in");
ofstream g("stramosi.out");

int n,m,i,j,a[M][20],s,q,p,put,exp;

int main()
{
    f>>n>>m;
    for(i=1;i<=n;i++)
    {
        f>>a[i][1];
    }
    for(i=2;i<=19;i++)
    {
        for(j=1;j<=n;j++)
        {
            s=a[j][i-1];
            a[j][i]=a[s][i-1];
        }
    }
    for(i=1;i<=m;i++)
    {
        f>>q>>p;
        while(p>0)
        {
            put=1;
            exp=0;
            while(put*2<p)
            {
                put=put*2;
                exp++;
            }
            q=a[q][exp+1];
            p=p-put;
        }
        g<<q<<"\n";
    }
    return 0;
}