c++ converting int to char + add leading zeros to char

Question

I got numbers from 0 to 999. How can I achieve the following

int i = 123;//possible values 0-999
char i_char[3] = /*do conversion of int i to char and add 3 leading zeros*/

Example(s): i_char shall look like "001" for i=1, "011" for i=11 or "101" for i=101

Answer 1

It appears you are looking for sprintf, or perhaps printf.

int i = 123;
char str[10];
sprintf(str, "%03d", i);