c++ program to display odd number up to 21

c++ program to display odd number

Program

Method 1
c++ program to display odd number up to 21 using for loop

Method 2
c++ program to display odd number up to 21 using while loop

Method 3
c++ program to display odd number up to 21 using do while loop

Output:-
1
3
5
7
9
11
13
15
17
19
21