Cod sursa(job #1373854)

Utilizator ignadariusIgna Darius ignadarius Data 4 martie 2015 20:59:50
Problema Stramosi Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.55 kb
#include <iostream>
#include <fstream>

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

int n,m,x,y,dp[20][250000];
int main()
{
    f>>n;
    f>>m;
    for(int i=1; i<=n; i++)
        f>>dp[0][i];
    for(int i=1; i<=n; i++)
    for(int j=1; j<=n; j++)
        dp[i][j]=dp[i-1][dp[i-1][j]];
    for(int i=1; i<=m; i++)
    {
        f>>x>>y;
        for(int j=0; j<=y; j++)
        {
            if(y&(1<<j))x=dp[j][x];
            if(x==0)break;
        }
        g<<x<<"\n";

    }


return 0;
}