c++ - How to create an array with number of elements from a variable? -

c++ - How to create an array with number of elements from a variable? -

this question has reply here:

variable length arrays in c++? 14 answers

i have integer num read file. want create array number of elements beingness num.

a sample code of want doesn't work:

int num; cin >> num; int iarray[num];

arrays in c++ have compile-time bounds.

use dynamic allocation instead, or healthy std::vector wrapper around same process.

c++ arrays