Cod sursa(job #2748917)

Utilizator smoc_georgemarianSmoc George-Marian smoc_georgemarian Data 4 mai 2021 00:18:49
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.4 kb
#include <bits/stdc++.h>
#define mod 1999999973
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
int log(int x, int y)
{
    if(y==0)
       return 1;
    if(y==1)
       return x;
    if  ( !( y&1) )
       return (log(x,y/2)%mod*(log(x,y/2)%mod))%mod;
    return (x*log(x,y/2)%mod*(log(x,y/2)%mod))%mod;
}
int main()
{
    int n,k;
    fin>>n>>k;
 fout<<log(n,k); 
}