Cod sursa(job #2238603)
Utilizator | Data | 6 septembrie 2018 15:48:11 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.41 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream f ("lgput.in");
ofstream g ("lgput.out");
int main()
{
long long n,p,nr = 1999999973;
long long rez = 1;
f>>n>>p;
while (p > 0)
{
if(p & 1) /// ii impara
{
rez = (rez*n) % nr;
p--;
}
n = (n*n) % nr;
p = p / 2;
}
g<< rez;
return 0;
}