Cod sursa(job #1807928)
Utilizator | Data | 17 noiembrie 2016 08:25:27 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.41 kb |
#include <iostream>
#include <fstream>
using namespace std;
#define MOD 1999999973
ifstream f("lgput.in");
ofstream g("lgput.out");
long long putere(long long a, long long nr)
{
if(nr==0)
return 1;
long long c=putere(a,nr/2);
c*=c;
c%=MOD;
if(nr%2==0)
return c%MOD;
return (c*a)%MOD;
}
long long a,n;
int main()
{
f>>a>>n;
g<<putere(a,n);
return 0;
}