ita: Basic system for exercises
ita; exercise 1.1.1 - real-world examples
ita; exercise 1.1.2 - other measures than speed
ita; exercise 1.1.3 - a familiar data structure
ita; exercise 1.1.4 - shortest-path and traveling-salesman
ita; exercise 1.1.5 - best vs. good-enough
ita; exercise 1.2.1 - application requiring algorithms
ita; exercise 1.2.2 - insertion sort vs. merge sort
ita; exercise 1.2.3 - 100n^2 vs. 2^n
ita; problem 1.1 - comparison of running times