Сравнение вычислительных затрат: i != arr[i] - 1 и arr[i] != arr[arr[i] - 1] в C++ ⇐ C++

[Гость]

I have two snippet of codes

for (int i = 0; i < n; i++) { while (arr > 0 && arr 0 && arr

Источник: https://stackoverflow.com/questions/780 ... rarri-1-in