Cod sursa(job #146421)
Utilizator | Mircea Dima blasterz | Data | 1 martie 2008 18:08:36 |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 20 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.4 kb |
#include <cstdio>
#define mod 1999999973
long long a[64];
int main()
{
unsigned int n,p;
freopen("lgput.in","r",stdin);
scanf("%d %d", &n, &p);
long long sol=1;
int i;
a[0]=n;
for(i=1;i<=n;++i)
a[i]=a[i-1]*a[i-1],a[i]%=mod;
for(i=0;i<=32;++i)
if(p&(1<<i))
{
sol*=a[i], sol%=mod;
}
freopen("lgput.out","w",stdout);
printf("%lld\n",sol);
return 0;
}