Cod sursa(job #1897023)
| Utilizator | Data | 1 martie 2017 09:04:07 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.5 kb |
#include <cstdio>
#include <fstream>
#define f stdin
#define g stdout
#define mod 1999999997
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
int main()
{
long long sol=1,a,n,p;
freopen("lgput.in","r",f);
freopen("lgput.out","w",g);
scanf("%lld %lld",&n,&p);
a=n;
while(p)
{
if(p%2==1)
{
sol=(sol*a)%mod;
}
a=(a*a)%mod;
p/=2;
}
printf("%lld",sol);
return 0;
}
