lcthw; exercise 7 - more variables, some math
lcthw; exercise 8 - sizes and arrays
lcthw; exercise 9 - arrays and strings
lcthw; exercise 10 - arrays of strings, looping
lcthw; exercise 11 - while-loop and boolean expressions
lcthw; exercise 12 - if, else-if, else
lcth; exercise 13 - switch statement
lcth; exercise 14 - writing and using functions
lcthw; use identical filenames for identical sections