Cod sursa(job #2199005)
Utilizator | Data | 26 aprilie 2018 09:28:33 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.48 kb |
#include <stdio.h>
#define R 1999999973
int main ()
{
unsigned long long int n,p,m;
FILE *f,*g;
f=fopen("lgput.in","r");
g=fopen("lgput.out","w");
fscanf(f,"%llu%llu",&n,&p);
m=1;
if(p==0)
n=1;
if(p>1)
{
while(p>=2)
{
if(p%2==1)
m=m*n%R;
n=n*n%R;
p=p/2;
}
n=n*m%R;
}
fprintf(g,"%llu\n",n);
fclose(f);
fclose(g);
}