Cod sursa(job #2558714)
Utilizator | Data | 26 februarie 2020 19:15:08 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.43 kb |
#include <bits/stdc++.h>
using namespace std;
ifstream fin ("lgput.in");
ofstream fout ("lgput.out");
long long n, p;
int lgput (long long n, long long p){
long long prod = 1;
while (p){
if (p%2 == 1){
prod = 1LL*prod*n;
}
n = 1LL*n*n;
p /= 2;
}
return prod;
}
int main(){
fin >> n >> p;
fout << lgput (n, p);
return 0;
}
//recapitulare