Cod sursa(job #1401425)
Utilizator | Data | 25 martie 2015 21:03:14 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.47 kb |
#include <iostream>
#include<stdio.h>
using namespace std;
FILE *f,*g;
int main()
{
long long n,x,p=1;
f=fopen("lgput.in","r");
g=fopen("lgput.out","w");
fscanf(f,"%lld %lld",&x,&n);
while(n>0)
{
if(n%2==1)
{
n--;
p=p*x;
p=p%1999999973;
}
x=x*x;
x=x%1999999973;
n=n/2;
}
fprintf(g,"%lld",p);
fclose(f);
fclose(g);
return 0;
}