Cod sursa(job #2943715)
Utilizator | Data | 21 noiembrie 2022 16:00:30 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.46 kb |
#include <fstream>
using namespace std;
const int M = 1999999973;
int putere(int a, int n)
{
int p = 1;
while(n != 0)
{
int cifb = n % 2;
if(cifb != 0)
p = (long long) p * a % M;
a = (long long) a * a % M;
n /= 2;
}
return p;
}
int main()
{
ifstream fin("lgput.in");
ofstream fout("lgput.out");
int n, p;
fin >> n >> p;
fout<< putere(n, p);
return 0;
}