Cod sursa(job #1526856)
Utilizator | Data | 17 noiembrie 2015 15:33:11 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | c | Status | done |
Runda | Arhiva educationala | Marime | 0.43 kb |
#include <stdio.h>
#include <stdlib.h>
#define MOD 1999999973
int main()
{
int n,p,i;
int a,rez;
FILE *f=fopen("lgput.in","r");
FILE *g=fopen("lgput.out","w");
fscanf(f,"%d%d",&n,&p);
a=n;
rez=1;
for (i=0;(1<<i)<=p;i++)
{
if (((1<<i)&p)!=0)
rez=(rez*a)%MOD;
a=(a*a)%MOD;
}
fprintf(g,"%d\n",rez);
fclose(f);
fclose(g);
return 0;
}