1. Write a program that creates a string containing the 26 letters of the English alphabet in both lower- and uppercase. The characters must be formed using one or more loops and the fi nal string...

1. Write a program that creates a string containing the 26 letters of the English alphabet in both lower- and uppercase. The characters must be formed using one or more loops and the fi nal string must look like “AaBbCc....”.

2. Write a program that accepts fi ve lines from the keyboard and saves them in two 2D arrays depending on whether the line length is longer than 20 characters (excluding newline and NUL). The program must print the contents of both arrays.