Cod sursa(job #1635217)

Utilizator TibiraducanuTiberiu Raducanu Tibiraducanu Data 6 martie 2016 15:54:38
Problema Stramosi Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.58 kb
#include <cstdio>

using namespace std;

int d[20][250005];

int main()
{
    freopen("stramosi.in","r",stdin);
    freopen("stramosi.out","w",stdout);

    int n,m,i,j,q,p;

    scanf("%d%d",&n,&m);
    for(i=1;i<=n;i++) scanf("%d",&d[0][i]);

    for(i=1;i<=18;i++)
        for(j=1;j<=n;j++)
            d[i][j]=d[i-1][d[i-1][j]];

    for(i=1;i<=m;i++)
    {
        ///"Care este al P-lea stramos al membrului cu numarul Q?"
        scanf("%d%d",&q,&p);
        for(j=0;j<=18;j++) if((1<<j)&p) q=d[j][q];

        printf("%d\n",q);
    }

    return 0;
}