Cod sursa(job #3263419)

Utilizator aeru1Ianos Alex-Marian aeru1 Data 14 decembrie 2024 11:33:56
Problema Stramosi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.67 kb
#include <bits/stdc++.h>

using namespace std;

#define TITLE "stramosi"

ifstream f (TITLE".in");
ofstream g (TITLE".out");

int n,q;

int dp[20][250001];

int Stramos(int Node, int Depth)
{
    int i=0;
    while(Depth)
    {
        if(Depth&1)
            Node=dp[i][Node];
        Depth>>=1;
        i++;
    }
    return Node;
}

int main()
{
    f>>n>>q;
    for(int i=1; i<=n; i++)
        f>>dp[0][i];
    for(int i=1; (1<<i) < n; i++)
        for(int j=1; j<=n; j++)
        dp[i][j]=dp[i-1][dp[i-1][j]];
    while(q--)
    {
        int Node, Depth;
        f>>Node>>Depth;
        g<<Stramos(Node,Depth)<<'\n';
    }
    return 0;
}