What is Hanoi Tower? see http://ja.wikipedia.org/wiki/%E3%83%8F%E3%83%8E%E3%82%A4%E3%81%AE%E5%A1%94 When you faced "Do you want to read previous data file? (Y/N) " at the first time, press 'n'. You can control the progress speed by pressing up and down arrow key. Below is source code which does not use recursion routine. -------------- //Hanoi Tower.c <-- ハノイの塔 #i..