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2.42
2024-10-13
sicp每日一题[2.43]
Exercise2.43LouisReasonerishavingaterribletimedoingExercise2.42.Hisqueensprocedureseemstowork,butitrunsextremelyslowly.(Louisneverdoesmanagetowaitlongenoughforittosolveeventhe6×6case.)WhenLouisasksEvaLuAtorf
2024-10-12
sicp每日一题[2.42]
这道题太难了,我自己只完成了empty-board这一个定义,其他的函数即使看了别人的答案也研究了半天才搞明白。。;board-size指的是正方形棋盘的长(define(queensboard-size)(define(queen-colsk)(if(=k0)(listempty-board)(filter