Cod sursa(job #1364932)

Utilizator emiemiEmi Necula emiemi Data 27 februarie 2015 21:38:11
Problema Stramosi Scor 90
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.46 kb
#include<fstream>
using namespace std;
ifstream f("stramosi.in");
ofstream g("stramosi.out");
int q,p,j,n,m,i,t[250001],d[250001][19];
int main()
{
    f>>n>>m;
    for(i=1;i<=n;++i)
    { f>>t[i]; d[i][0]=t[i]; }
    for(j=1;j<=17;++j)
    for(i=1;i<=n;++i)
    d[i][j]=d[d[i][j-1]][j-1];
    for(i=1;i<=m;++i)
    {
        f>>q>>p;
        for(j=0;j<=17;++j)
        if(p&(1<<j))
        q=d[q][j];
        g<<q<<'\n';
    }
    return 0;
}