Cod sursa(job #947051)

Utilizator cristi23ciulica cristian cristi23 Data 6 mai 2013 16:50:59
Problema Stramosi Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.63 kb
#include<stdio.h>
using namespace std;
int v[20][250001];
int n,m,p,q,i,j;
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;i<=17;i++)
        for(j=1;j<=n;j++)
       v[i][j]=v[i-1][v[i-1][j]];
    while(m!=0){
        m--;
        scanf("%d%d",&q,&p);
        i=0;
        for(i=0;p;++i)
        while(i<=p){
            if(p&(1<<i)){
                q=v[i][q];
                p-=(1<<i);
            }
            i++;
        }
        printf("%d\n",q);
    }
    return 0;
    }