Cod sursa(job #1512161)

Utilizator redcrocodileIlies Andreea redcrocodile Data 27 octombrie 2015 19:01:58
Problema Stramosi Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.74 kb
#include <fstream>

using namespace std;
ifstream f("stramosi.in");
ofstream g("stramosi.out");
int dad[22][250022],n,i,j,nr,m,jj;
int putere(int n)
{
    int nr=-1,i;
    for(i = 1; i <= n; i *= 2)
     nr++;
     jj=i/2;
    return nr;
}
void creare()
{
    int nn;
    for (i = 1; i <= n; i++)
    {
        f>>dad[0][i];
        nn=putere(i);
        for(j=1; j<=nn; j++)
         dad[j][i]=dad[j-1][dad[j-1][i]];
    }
}
void solutie()
{
    int x,a,nr;
    for(i=1;i<=m;i++)
    {
        f>>a>>nr;
        while(nr)
        {
            x=putere(nr);
            a=dad[x][a];
            nr-=jj;
        }
        g<<a<<"\n";
    }
}
int main()
{
    f>>n>>m;
    creare();
    solutie();
    return 0;
}