Cod sursa(job #1696889)

Utilizator ZanoxNonea Victor Zanox Data 30 aprilie 2016 10:45:30
Problema Stramosi Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.51 kb
#include <cstdio>

using namespace std;

int v[18][250001],n,m,i,j,k,l,sol;

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",&v[0][i]);
    for(i=1;1<<i<=n;i++)for(j=1;j<=n;j++)v[i][j]=v[i-1][v[i-1][j]];
    for(i=1;i<=m;i++)
    {
        scanf("%d%d",&sol,&k);
        //sol id, k grad stramos
        for(j=0;k;j++,k=k>>1)if(1&k)sol=v[j][sol];
        printf("%d\n",sol);
    }
    return 0;
}