Cod sursa(job #797180)

Utilizator gegeadDragos Gegea gegead Data 13 octombrie 2012 16:37:37
Problema Stramosi Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.58 kb
#include<cstdio>
int a[19][250001];




int main()
{
    freopen("stramosi.in","r",stdin);
    freopen("stramosi.out","w",stdout);
    int n,m,i,j,x,p,q;
    scanf("%d%d",&n,&m);
    for(i=1;i<=n;++i)
        scanf("%d",&a[0][i]);
    for(i=1;i<=18;++i)
        for(j=1;j<=n;++j)
            a[i][j]=a[i-1][a[i-1][j]];
    for(i=1;i<=m;++i)
    {
        scanf("%d%d",&q,&p);
        x=q;j=0;
        while(p!=0)
        {
            if(p%2!=0)
                x=a[j][x];
            ++j;
            p/=2;
        }
        printf("%d\n",x);
    }
    return 0;
}