Cod sursa(job #1335375)
Utilizator | Data | 5 februarie 2015 14:30:40 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.43 kb |
#include <iostream>
#include<stdio.h>
using namespace std;
FILE *f,*g;
int main()
{
int i,j,m,p,sol;
long long n;
f=fopen("lgput.in","r");
g=fopen("lgput.out","w");
fscanf(f,"%lld %d",&n,&p);
m=1999999973;
sol=1;
for(i=0; (1<<i)<=p; i++)
{
if(((1<<i) & p)>0)
{
sol=sol*n%m;
}
n=n*n;
}
fprintf(g,"%d",sol);
return 0;
}