Pagini recente » Cod sursa (job #2891568) | Cod sursa (job #1526224) | Cod sursa (job #3190791) | Cod sursa (job #2801342) | Cod sursa (job #1899447)
#include <cstdio>
#include <cstring>
#include <vector>
#include <queue>
#include <set>
#include <stack>
#include <algorithm>
#include <map>
#include <iomanip>
using namespace std;
const int NMax = 250001;
int n,m,x,y;
int viz[NMax];
int T2[20][NMax];
int main()
{
freopen("stramosi.in","r",stdin);
freopen("stramosi.out","w",stdout);
scanf("%d%d",&n,&m);
for(int i = 1; i <= n; ++i){
scanf("%d",&T2[0][i]);
}
for(int i = 1; i <= n; ++i){
for(int j = 1; (1<<j) <= n; ++j){
T2[j][i] = T2[j - 1][T2[j - 1][i]];
}
}
for(int i = 1; i <= m; ++i){
scanf("%d%d",&x,&y);
for(int j = 0; (1 << j) <= n; ++j){
if(y & (1<<j)){
y -= j;
x = T2[j][x];
}
}
printf("%d\n",x);
}
return 0;
}