Best of Ruby Quiz (Pragmatic Programmers) by James Edward, II Gray

By James Edward, II Gray

Remedy those twenty-five well known programming puzzles, and sharpen your programming talents as you craft ideas. you will find attention-grabbing and hard programming puzzles together with: 800 Numbers Crosswords Cryptograms Knight's travel Paper, Rock, Scissors Tic-Tac-Toe Texas Hold-Em ...and extra. studying to application may be very a problem. periods and books can get you thus far, yet at some point soon you should take a seat and begin fidgeting with a few code. simply via studying and writing genuine code, with actual difficulties, are you able to study. The Ruby Quiz was once outfitted to fill precisely this desire for Ruby programmers. demanding situations, ideas, and discussions mix to make Ruby Quiz a robust solution to examine Ruby methods. See how algorithms translate to Ruby code, get publicity to Ruby's libraries, and learn the way different programmers use Ruby to resolve difficulties fast and successfully.

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Cards have one of four suits: clubs, diamonds, hearts, or spades. Cards also have a face value that is one of (from highest to lowest) the following: ace, king, queen, jack, ten, nine, eight, seven, six, five, four, three, or two. The ace is almost always high, but watch for the exceptions in the hands. Some players didn’t make it to seven cards, because they folded before the end of the game, and we can ignore those hands. For the rest, we want to declare the hand they ended up with and indicate a winner, or winners in the event of a tie.

A square is numbered if it is the first square in a word going left to right or top to bottom. A word must be at least two letters long, so don’t number individual squares. Numbers start at 1 and count up left to right, row by row going down. Putting all that together, here is a sample layout. ) ##################### #1 # #2 #3 # # # # # # #################################### #4 # ######5 # #6 #7 # # # ###### # # # # #################################### #8 # #9 # # #10 # # # # # # # # # # ##################### # ######11 # # # ###### # # ########### #################################### #12 #13 # ######14 #15 # # # # # ###### # # # #################################### #16 # # # # # # # # # # # ########################## Solutions should output (only) the finished crossword to STDOUT.

C OUNTDOWN The quiz is to write a program that will accept one target number and a list of source numbers and generate a solution that calculates the target or a number as close to the target as possible. Report erratum 54 Q UIZ 24. S OLVING T ACTICS Quiz Answer on page 249 24 Solving Tactics Posed by Bob Sidebotham There is a pencil and paper game, Tactics, played on a 4×4 grid. The play starts with an empty grid. On each turn, a player can fill in from one to four adjacent squares, either horizontally or vertically.

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