Cod sursa(job #3171874)

Utilizator alexgroparuObada Alex alexgroparu Data 19 noiembrie 2023 18:10:26
Problema Stramosi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.71 kb
#include <fstream>
#include <cmath>
using namespace std;

ifstream fin("stramosi.in");
ofstream fout("stramosi.out");

int stramos[20][(uint64_t)(25e4 + 1)];

int main()
{
    int n, m;
    fin >> n >> m;

    for(int i = 1; i <= n; ++i)
        fin >> stramos[0][i];

    for(int i = 1; (1 << i) <= n; ++i)
        for(int j = 1; j <= n; ++j)
            stramos[i][j] = stramos[i - 1][stramos[i - 1][j]];
    
    int nod, p, i;
    while(m--)
    {
        fin >> nod >> p;

        i = 0;
        while(p)
        {
            if(p & 1)
                nod = stramos[i][nod];
            
            i++;
            p >>= 1;
        }
        fout << nod << '\n';
    }
    return 0;
}