Cod sursa(job #1976355)
Utilizator | Data | 3 mai 2017 10:07:43 | |
---|---|---|---|
Problema | Stramosi | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.6 kb |
#include <cstdio>
using namespace std;
int d[250005][18];
int main()
{
freopen("stramosi.in","r",stdin);
freopen("stramosi.out","w",stdout);
int i, N, M, j, P, Q;
scanf("%d%d\n", &N, &M);
for(i=1; i<=N ; i++)
scanf("%d", &d[i][0]);
for(j=1 ; j<=17 ; ++j)
for(i=1 ; i<=N ; ++i)
d[j][i] = d[d[j][i-1]][i-1];
for(j=1 ; j<=M ; j++)
{
scanf("%d%d", &Q, &P);
for(i=0 ; i<=17 ; ++i)
if( ( (1<<i) & P ) != 0 )
Q = d[Q][i];
printf("%d\n", Q);
}
return 0;
}