Cod sursa(job #1927106)
Utilizator | Data | 14 martie 2017 22:17:40 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.44 kb |
#include <cstdio>
#define M 1999999973
using namespace std;
int a,b,sol=1;
void Read(){
freopen("lgput.in","r",stdin);
scanf("%d%d",&a,&b);
}
void Pow(){
int i;
for (int i=0;(1<<i)<=b;++i)
if ((1<<i)&b) sol=(sol*a)%M;
else a=(a*a)%M;
}
void Write(){
freopen("lgput.out","w",stdout);
printf("%d",sol);
}
int main()
{
Read();
Pow();
Write();
return 0;
}