Cod sursa(job #1778972)
Utilizator | Calin-Stefan Georgescu borscalin | Data | 14 octombrie 2016 16:18:27 |
---|---|---|---|
Problema | Stramosi | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.58 kb |
#include <cstdio>
#define NMAX 250001
using namespace std;
int d[19][NMAX];
int main(){
freopen("stramosi.in","r",stdin);
freopen("stramosi.out","w",stdout);
int n,m,i,q,p,j;
scanf("%d%d",&n,&m);
for (i=1;i<=n;i++)
scanf("%d",&d[1][i]);
for (j=2;j<=18;j++)
for (i=1;i<=n;i++)
d[j][i] = d[j - 1][d[j - 1][i]];
for (i=1;i<=m;i++) {
scanf("%d%d",&q,&p);
j = 1;
while (p != 0) {
if (p % 2 != 0)
q = d[j][q];
p /= 2,j++;
}
printf("%d\n",q);
}
return 0;
}