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Cod sursa(job #991949)
#include <cstdio>
#define dim 250010
using namespace std;
int n, m, i, j, p, q, k, d[20][dim];
int main()
{
freopen("stramosi.in", "r", stdin);
freopen("stramosi.out", "w", stdout);
scanf("%d %d", &n, &m);
for(i=1; i<=n; i++)
scanf("%d", &d[0][i]);
for(i=1; i<=20; ++i)
for(j=1; j<=n; ++j)
d[i][j]=d[i-1][d[i-1][j]];
for(i=1; i<=m; ++i)
{
scanf("%d %d", &p, &q);
k=0;
while(q)
{
if(q&1)
p=d[k][p];
++k;
q=q>>1;
}
printf("%d\n", p);
}
return 0;
}