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Cod sursa(job #622800)
#include <stdio.h>
#include <math.h>
#define X 19
long n, m, v[X][250010];
int main() {
freopen("stramosi.in", "r", stdin);
freopen("stramosi.out", "w", stdout);
scanf("%ld %ld", &n, &m);
for (long i = 1; i <= n; ++i) scanf("%ld", &v[0][i]);
for (long i = 1; i < 19; ++i)
for (long j = 1; j <= n; ++j) {
v[i][j] = v[i - 1][v[i - 1][j]];
}
long t, s, Q, P, aux = 1 << 18;
for (long i = 1; i <= m; ++i) {
scanf("%ld %ld", &Q, &P);
t = aux;s = 18;
while (t) {
if (t & P) {
Q = v[s][Q];
}
--s;
t >>= 1;
}
printf("%ld\n", Q);
}
return 0;
}