Cod sursa(job #2831666)
Utilizator | Data | 11 ianuarie 2022 20:59:21 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.54 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("lgput.out");
ofstream fout("lgput.out");
const int MOD = 1999999973;
int ridicare_putere(int a, int b);
int main()
{
int a, b;
fin >> a >> b;
fout << ridicare_putere(a, b);
return 0;
}
int ridicare_putere(int a, int b)
{
int r = 1;
while(b)
{
if(b % 2 == 1)
r = (r * a) % MOD;
a = (a * a) % MOD;
b = (b / 2) % MOD;
}
return r;
}