Question

My scenario is as follows:(C++)

In char a[10], the array a[] has elements (numbers) like ‘1’,’2′,’3′ etc….

Say a[0] = ‘1’;
a[1] = ‘2’;
a[2] = ‘3’;

Now a[] is storing 3 characters ‘1’, ‘2’ and ‘3’. I want to store this into an int as 123 (An integer 123).

How to achieve this in C++ ?

Answer 1

a[3] = 0 is a must. If your string isn’t null-terminated, most methods won’t work.

After that, it’s a simple number = atoi(a)