Cod sursa(job #3194821)

Utilizator tmi26Teodor Stupariu tmi26 Data 19 ianuarie 2024 14:27:53
Problema Stramosi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.67 kb
#include <bits/stdc++.h>

using namespace std;
ifstream fin("stramosi.in");
ofstream fout("stramosi.out");
const int cst=3*1e5+5;
int t[cst][20];
int main()
{
    int n,m;
    fin>>n>>m;
    for(int i=1;i<=n;i++)
    {
        fin>>t[i][0];
    }
    for(int i=1;i<20;i++)
    {
        for(int j=1;j<=n;j++)
        {
            t[j][i]=t[t[j][i-1]][i-1];
        }
    }
    while(m--)
    {
        int a,b;
        fin>>b>>a;
        int put=0;
        while(a)
        {
            if(a%2==1)
            {
                b=t[b][put];
            }
            a/=2;
            put++;
        }
        fout<<b<<'\n';
    }
    return 0;
}