Cod sursa(job #3319353)

Utilizator Tudor_11Tudor Ioan Calin Tudor_11 Data 31 octombrie 2025 19:52:20
Problema Stramosi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.64 kb
#include <bits/stdc++.h>
using namespace std;
ifstream fin("stramosi.in");
ofstream fout("stramosi.out");
int dp[250001][18];
int main()
{
    int n,m;
    fin>>n>>m;
    for(int i=1;i<=n;i++)
    {
        fin>>dp[i][0];
    }
    for(int j=1;(1<<j)<=n;j++)
    {
        for(int i=1;i<=n;i++)
        {
            dp[i][j]=dp[dp[i][j-1]][j-1];
        }
    }
    for(int i=1;i<=m;i++)
    {
        int q,p;
        fin>>q>>p;
        for(int bit=0;bit<18;bit++)
        {
            if(p & (1<<bit))
            {
                q=dp[q][bit];
            }
        }
        fout<<q<<'\n';
    }
    return 0;
}