Cod sursa(job #2597009)
| Utilizator | Data | 10 aprilie 2020 22:35:59 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva educationala | Marime | 0.46 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
const int MOD = 1999999973;
int lgput(int n, int p)
{
int r = 1;
for(int i = 0; (1 << i) <= p; ++ i)
{
if( ((1 << i) & p) != 0)
r = (r % MOD * n % MOD) % MOD;
n = (n % MOD * n % MOD) % MOD;
}
return r;
}
int a, b;
int main()
{
f >> a >> b;
g << lgput(a, b);
return 0;
}
