Cod sursa(job #2754172)

Utilizator asdfsfafafafafafafafaJarca Andrei asdfsfafafafafafafafa Data 25 mai 2021 12:41:28
Problema Stramosi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.85 kb
#include <iostream>
#include <fstream>

using namespace std;
ifstream f("stramosi.in");
ofstream g("stramosi.out");

int nrS[18][250001];
int main()
{

    int n,m;
    f>>n>>m;
    for(int i=1; i<=n; i++)
        f>>nrS[0][i];
    int temp=1;
    int linMax=0;
    while(temp<=n)
    {
        temp*=2;
        linMax++;
    }
    for(int i=1;i<linMax;i++)
        for(int j=1; j<=n; j++)
            nrS[i][j]=nrS[i-1][nrS[i-1][j]];
    for(int i=0; i<m; i++)
    {
        int a,b;
        f>>a>>b;
        while(b!=0)
        {
            int linieSparc=1;
            int elemParcurse=0;

            while(linieSparc*2<=b)
            {
                linieSparc*=2;
                elemParcurse++;
            }
            a=nrS[elemParcurse][a];
            b-=linieSparc;
        }
        g<<a<<"\n";
    }
}