Pgr to print odd numbers

#include <stdio.h>

int main () {

int a,i,odd=0;

printf("Enter a number : ");

scanf("%d", &a);

if(a % 2 ==0) {

for(i=0 ; i<a / 2 ; i++) {

odd = 2*i+1;

printf("%5d", odd);

}

}

else {

for(i=0 ; i<=a / 2 ; i++) {

odd = 2*i+1;

printf("%5d", odd);

}

}

return 0;

}

Output :

Enter a number : 20

1 3 5 7 9 11 13 15 17 19

=== Code Execution Successful ===