Cod sursa(job #2486158)

Utilizator Giulian617Buzatu Giulian Giulian617 Data 2 noiembrie 2019 13:15:45
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.47 kb
#include <bits/stdc++.h>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int K=1999999973;
unsigned long long putere(unsigned long long a,unsigned long long b)
{
    if(b==0) return 1;
    else
    {
        unsigned long long p=putere(a,b/2)%K;
        if(b%2!=0) return (((p%K)*(p%K))%K*(a%K))%K;
        else return ((p%K)*(p%K))%K;
    }
}
int main()
{
    unsigned long long a,b;
    f>>a>>b;
    g<<putere(a,b);
    return 0;
}