Cod sursa(job #147357)
Utilizator | Data | 2 martie 2008 20:35:02 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.45 kb |
#include<stdio.h>
FILE *fin=freopen("lgput.in","r",stdin),
*fout=freopen("lgput.out","w",stdout);
long pow(long x, long n)
{
long result = 1;
while ( n ) {
if ( n & 1 ) {
result = result * x%1999999973;
n = n-1;
}
x = x*x;
n = n/2;
}
return result;
}
int main()
{
long x,n;
scanf("%ld %ld",&x,&n);
printf("%ld",pow(x,n));
return 0;
}