algs4; exercise 1.1.4 - remove unnecessary latex
algs4; exercise 1.1.4 - improve latex layout
algs4; exercise 1.1.5 - are between 0 and 1
algs4; exercise 1.1.3 - make the function a predicate
algs4; exercise 1.1.6 - program output
algs4; exercise 1.1.6 - move the code fragment inside the blockquote
algs4; exercise 1.1.7 - code fragment evaluation
algs4; improve the layout of some answers
algs4; exercise 1.1.8 - print statements
algs4; exercise 1.1.9 - natural numbers to binary
algs4; exercise 1.1.10 - error in code fragment
algs4; exercise 1.1.11 - boolean matrix to string