Cod sursa(job #1649050)
Utilizator | Data | 11 martie 2016 12:25:19 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.54 kb |
#include <iostream>
#include <fstream>
#define mod 1999999973
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
int putere(int x, int y)
{
if(y==1)
{
return (x%mod);
}
else
{
int a=putere(x, y/2);
if(y%2==0)
{
return (a*a)%mod;
}
else
{
return (a*a*x)%mod;
}
}
}
int main()
{
int n, m;
fin>>n>>m;
fout<<putere(n, m);
fin.close();
fout.close();
return 0;
}