Cod sursa(job #2252100)
Utilizator | Data | 2 octombrie 2018 12:13:37 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | musai_must | Marime | 0.35 kb |
#include <bits/stdc++.h>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
unsigned long long powLog(int baza, int exponent) {
int sol = 1;
for(int i = 1; i<(1<<30); i = i*2) {
if(i&exponent) sol = sol * baza;
baza *= baza;
}
return sol;
}
int main() {
int b, e;
f>>b>>e;
g<<powLog(b, e);
}