Cod sursa(job #2573493)
Utilizator | Data | 5 martie 2020 17:52:10 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.39 kb |
#include <bits/stdc++.h>
using namespace std;
ifstream fin ("lgput.in");
ofstream fout ("lgput.out");
int P(int a, int n)
{
int p;
p = 1;
while (n > 0)
{
if (n % 2 == 1)
p = 1LL * a * p % 1999999973;
n /= 2;
a = 1LL* a * a % 1999999973;
}
return p;
}
int main()
{
int a, b;
fin >> a >> b;
fout << P(a, b);
return 0;
}