Cod sursa(job #1632529)
Utilizator | Data | 6 martie 2016 10:26:26 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.38 kb |
#include<fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
unsigned long long a,n,p=1,m=1999999973;
int main()
{
fin>>a>>n;
while(n>0)
{
if(n%2==1)
p*=a;
if(((a%m)*(a%m))%m!=0)
a=((a%m)*(a%m))%m;
else
a=a*a;
n/=2;
}
fout<<p;
return 0;
}