Nu aveti permisiuni pentru a descarca fisierul grader_test6.in
Cod sursa(job #607542)
| Utilizator | Data | 12 august 2011 15:52:41 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
| Compilator | c | Status | done |
| Runda | Arhiva educationala | Marime | 0.53 kb |
#include <stdio.h>
#include <stdlib.h>
long long const a = 1999999973;
long long int power(long long int x, long long int y)//x^y
{
if(y == 0)return 1;
else if(y % 2 == 0) return power( ( x * x ) % a, y/2 ) % a;
else return (x * power( ( x * x ) % a , y/2 ) %a ) % a;
}
int main()
{
long long int x,p;
FILE *fpi,*fpo;
fpi = fopen("lgput.in","r");
fpo = fopen("lgput.out","w");
fscanf(fpi,"%lld %lld",&x,&p);
fprintf(fpo,"%lld\n",power(x,p));
fclose(fpi);
fclose(fpo);
return 0;
}
