Write a program using while to print a rectangle whose dimensions and the line-drawing character are set by user input. Write a program that uses a while loop to print the following 4-line pattern: a...

Write a program using while to print a rectangle whose dimensions and the line-drawing

character are set by user input.

Write a program that uses a while loop to print the following 4-line pattern:

a

b b

c c c

d d d d

Correct the following code snippet:

short i = 0;

do

printf(“hello\n”);

i++;

while i