for n=5 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * code is below: #include <stdio.h> #include <string.h> #include <math.h> #include <ctype.h> #include <stdlib.h> int main () { int num ; printf ( "Enter the number \n " ); scanf ( "%d" , & num ); for ( int i = 1 ; i <= num ; i ++) { for ( int j = 1 ; j <= ( num * 2 ); j ++) { if ( j >= i ...