Cod sursa(job #2175184)
Utilizator | Ababei Daniel Googal | Data | 16 martie 2018 15:50:09 |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.42 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
const int MOD = 1999999973;
long long n, p, sol = 1;
int main()
{
in >> n >> p; // (n ^ p) % MOD
for(int i = 0; (1 << i) <= p; i++) {
if(0 < ((1 << i) & p))
sol = (sol * n) % MOD;
n = (n * n) % MOD;
}
out << sol << '\n';
in.close();
out.close();
return 0;
}