Cod sursa(job #1038200)
Utilizator | Data | 21 noiembrie 2013 10:30:23 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 30 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.37 kb |
#include <iostream>
#include <fstream>
#define mod 1999999973;
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int a, b;
long long put(int x, int p){
if(p==1) return x;
long long e=put(x, p/2);
if(p%2==0)
{return (e*e)%mod;}
else
{return x*(e*e)%mod;}
}
int main()
{
f>>a>>b;
g<<put(a,b);
return 0;
}