Cod sursa(job #1846303)
Utilizator | Data | 12 ianuarie 2017 15:42:52 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.48 kb |
#include <iostream>
#include <cstdio>
using namespace std;
int putere (int n, int p)
{
int p2;
if (p==0)
{
return 1;
}
p2=putere(n,p/2);
if (p%2==0)
return p2*p2;
else
return p2*p2*n;
}
int main()
{
FILE *intrare,*iesire;
int n,p,q;
intrare=fopen("lgput.in","r");
iesire=fopen("lgput.out","w");
fscanf(intrare,"%d%d",&n,&p);
q=putere(n,p);
fprintf(iesire,"%d",q%1999999973);
}