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0001 PROGRAM NAME ksudoku 0002 LICENSE GPL v2 0003 VERSION 0.3 0004 AUTHOR Francesco Rossi <firstname.lastname@example.org> 2005 0005 DATE 29/9/2005 0006 0007 KSudoku is a program that can generate and solve sudoku (en.wikipedia.org/wiki/Sudoku) puzzles (of different difficulty level) using a randomized least-candidate algorithm. 0008 From version 0.3 i added a new kind of puzzles: 3d puzzles. (see changelog) 0009 The sudoku boards currently supported are 9x9, 16x16, 25x25: but the program is fully expandable since the algorithm is extendible to any general graph coloring problem (the board is in fact stored as a graph and the numbers are the colors) 0010 In order to create a playable puzzle it fills a blank sudoku grid with a completed puzzle (randomly), then another algorithm (to be improved with some logical constraint) removes randomly numbers from it checking each time that the resultant puzzle has only one solution: it is a bit slower than logic-based elimination tecniques but it creates puzzles that are less straight-solved (more fun). 0011 The GUI is user-friendly and requires KDE and opengl. 0012 Written in C++. 0013 0014 REQUIREMENTS : 0015 - open gl library (also header files) - mesa3d.org 0016 - glu library (also header files) - mesa3d.org 0017 - kde headers and libs 0018 0019 INSTALLATION 0020 0021 1. Open a shell in project directory (the one where this file is located) 0022 2. Ectract project tar -xvvzf ksudoku-0.3.tar.gz 0023 2. Run "./configure --prefix=`kdeconfig --prefix`" 0024 (will install the program in /usr/local/kde, if you want to install in /usr run "./configure --prefix=/usr") 0025 3. Run "make" 0026 4. Run "make install" as root. 0027 5. Run "ksudoku" (if does not start check point 2) 0028 0029 0030 CHANGE LOG 0.3 0031 0032 - Now it supports 3d puzzles (totally new!!) 0033 - Open gl (qtglwidget) engine 0034 - 3d puzzles supported 3x3x3, 4x4x4, 5x5x5 (hard) 0035 - Now it generates also simmetric puzzles 0036 - You can choose puzzle's simmetry type (random, diagonal, central, 4-way, none) 0037 - Fixed "Solve bug" 0038 - Tracker can be hidden 0039 - Rip function improved 0040 - Support for 25x25 puzzles (625 numbers to place!) 0041 - Faster 0042 - Faster Checkpoint use: added shortcuts CTRL+A CTRL+E 0043 0044 CHANGE LOG 0.2 0045 0046 - New Icon (by sheepzilla) 0047 - Added click-and-write superscript mode (RMB then write number) (idea from dovidhalevi (David Baron) suggestion) 0048 - Algorithm optimized 0049 - All puzzles allows only 1 solution, in 0.1 Hardest lavel could have multiple ones. 0050 - Timer function 0051 - Highlight function (fast number place locator) PRESS SHIFT during gameplay TRY IT 0052 - Font sizes fixed (idea from dovidhalevi (David Baron) suggestion) 0053 - New colors 0054 - Checkpoint stack(save & resume) 0055 - Status bar with current selected number indicator and hints (idea from Isma (Ismael Asensio) suggestion) 0056 - Now you can choose if you want computer to show red your errors during gameplay (idea from Isma (Ismael Asensio) suggestion)