Cod sursa(job #2382377)

Utilizator victorzarzuZarzu Victor victorzarzu Data 18 martie 2019 11:25:50
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.34 kb
Raporteaza aceasta sursa 
#include <bits/stdc++.h>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int a,b;
int putere()
{
    int c=1;
    while(b)
    {
        if(b%2==1)
            c=((long long) c*a);
        a=((long long)a*a);
        b/=2;
    }
    return c;
}
int main()
{
    f>>a>>b;
    g<<putere();
    return 0;
}