Cod sursa(job #2120455)
Utilizator | Data | 2 februarie 2018 14:48:19 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.57 kb |
#include <iostream>
#include<stdio.h>
using namespace std;
long long ridicare( long long n, long long p){
long long rez=1;
while(p!=0) {
if(p%2==0) {
n=n*n;
p=p/2;
}
else {
rez=rez*n;
p--;
}
}
return rez;
}
int main() {
FILE *fin, *fout;
int n, p;
fin=fopen("igput.in", "r");
fout=fopen("igput.out", "w");
fscanf( fin, "%d %d", &n, &p);
fprintf( fout, "%d", ridicare(n, p));
fclose( fin );
fclose( fout );
return 0;
}