Cod sursa(job #2461537)
Utilizator | Data | 25 septembrie 2019 20:10:00 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.43 kb |
#include <bits/stdc++.h>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
long long fc(long long a, long long b)
{
long long sol = 1;
for (int i = 0; (1 << i) <= b; i++)
{
if ((1 << i) & b)
sol *= a, sol %= 1999999973;
a *= a;
a %= 1999999973;
}
return sol;
}
long long a, b;
int main()
{
f >> a >> b;
g << fc(a, b);
return 0;
}