Cod sursa(job #1770982)

Utilizator andreeainfo_dAndreea Dutulescu andreeainfo_d Data 5 octombrie 2016 08:50:22
Problema Stramosi Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.6 kb
#include <bits/stdc++.h>
using namespace std;
int a[20][250003],i,j,n,l,m,x,y,t;
int main()
{
    freopen("stramosi.in","r",stdin);
    freopen("stramosi.out","w",stdout);
    scanf("%d%d",&n,&m);
    for(i=1;i<=n;i++)
        scanf("%d",&a[0][i]);
    for(i=1;(1<<i)<=n;i++)
    {
        for(j=1;j<=n;j++)
        {
            a[i][j]=a[i-1][a[i-1][j]];
        }
    }
    for(l=1;l<=m;l++)
    {
        scanf("%d%d",&x,&y);
        t=x;
        for(i=0;(1<<i)<=n;i++)
        {
            if(((1<<i)&y)>0)t=a[i][t];
        }
        printf("%d\n",t);
    }
    return 0;
}