Cod sursa(job #2701434)
Utilizator | Petru-Vlad Ionescu vladiouz | Data | 31 ianuarie 2021 11:23:17 |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.48 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("lgput.in");
ofstream ff("lgput.out");
long long b,e;
long long logput(long long b, long long e)
{
if(e==0)
return 1;
else
{
long long aux=logput(b,e/2);
aux=(aux*aux)%1999999973;
if(e%2==1)
aux=(aux*b)%1999999973;
return aux;
}
}
int main()
{
f>>b>>e;
b=b%1999999973;
ff<<logput(b,e);
return 0;
}