Cod sursa(job #3328958)

Utilizator Zander01523Unguru Alexandru-Ionut Zander01523 Data 11 decembrie 2025 12:51:51
Problema Stramosi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.72 kb
#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
ifstream fin("stramosi.in");
ofstream fout("stramosi.out");
const int nMax=25e4+5,MOD=1e9+7,lg=20;

int t,n,m,x,y,z,a,b,c,d,k,ans,rez,poz,cnt,len,l,r,e,f;
ll v[nMax],p[lg][nMax];

int up(int x,int k)
{
    for(int bit=0; bit<lg; ++bit)
        if(k&(1<<bit))
            x=p[bit][x];
    return x;
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0),cout.tie(0);
    fin>>n>>t;
    for(int i=1; i<=n; ++i)
        fin>>p[0][i];
    for(int bit=1; bit<lg; ++bit)
        for(int i=1; i<=n; ++i)
            p[bit][i]=p[bit-1][p[bit-1][i]];
    while(t--)
    {
        fin>>x>>y;
        fout<<up(x,y)<<'\n';
    }

}