Cod sursa(job #1251371)
Utilizator | Data | 29 octombrie 2014 13:12:32 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.31 kb |
#include <cstdio>
#define MOD 1999999973
using namespace std;
long long a,b,p=1;
int main()
{
freopen("lgput.in","r",stdin);
freopen("lgput.out","w",stdout);
scanf("%I64d %I64d",&a,&b);
while(b) (b%2!=0) ? b--, p=(p*a)%MOD : a=(a*a)%MOD, b/=2;
printf("%I64d",p);
return 0;
}