Pagini recente » Cod sursa (job #3211679) | Cod sursa (job #322829) | Cod sursa (job #2955213) | Cod sursa (job #1822508) | Cod sursa (job #2543341)
#include <bits/stdc++.h>
#define pb push_back
using namespace std;
ifstream fin("stramosi.in");
ofstream fout("stramosi.out");
void debug_out() { cerr << '\n'; }
template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { cerr << " " << H; debug_out(T...);}
#define dbg(...) cerr << #__VA_ARGS__ << " ->", debug_out(__VA_ARGS__)
#define dbg_v(x, n) do{cerr<<#x"[]: ";for(int _=0;_<n;++_)cerr<<x[_]<<" ";cerr<<'\n';}while(0)
#define dbg_ok cerr<<"OK!\n"
typedef pair<int,int> pii;
typedef long long int ll;
typedef long double ld;
const int DMAX = 25e4+10;
int dp[DMAX][20];
int n,m;
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
int i,j;
int node,put,p,cate;
fin>>n>>m;
for(i=1;i<=n;i++)
fin>>dp[i][0];
for(i=1;i<=17;i++)
for(j=1;j<=n;j++)
dp[j][i]=dp[dp[j][i-1]][i-1];
while(m--){
fin>>node>>p;
for(i=17;i>=0;i--)
if((1<<i)<=p){
p-=(1<<i);
node=dp[node][i];
}
fout<<node<<'\n';
}
return 0;
}