Cod sursa(job #1685866)

Utilizator ggaaggaabbiigoteciuc gabriel ggaaggaabbii Data 11 aprilie 2016 21:41:48
Problema Stramosi Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.59 kb
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("stramosi.in");
ofstream g("stramosi.out");
int a[18][250002],i,j,n,m,k,nr,pct;
int str(int nod, int p)
{
    int i=0;
    while(p!=0)
    {
        if(p%2) nod=a[i][nod];
        p/=2;
        i++;
    }
    return nod;
}
int main()
{
    f>>n>>m;
    for(i=1;i<=n;i++)
        f>>a[0][i];
    for(i=1;(1<<i)<=n;i++)
        for(j=1;j<=n;j++)
        if(a[i-1][j])
        a[i][j]=a[i-1][a[i-1][j]];
    for(k=1;k<=m;k++)
    {
        f>>pct>>nr;
        g<<str(pct,nr)<<'\n';
    }
    return 0;
}