Cod sursa(job #1601932)
Utilizator | Data | 16 februarie 2016 13:01:58 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.45 kb |
#include <fstream>
using namespace std;
#define MOD 1999999973;
int main()
{
ifstream f1("lgput.in");
ofstream f2("lgput.out");
long long r=1,x,p;
f1>>x>>p;
while(p>0)
if(p%2==0)
{
x=(x*x)%MOD;
p=p/2;
} else
{
r=(r*x)%MOD;
p=p-1;
}
f2<<r;
return 0;
}