文件名称:C-learning-300cases
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C语言学习300例 学习c语言的经典程序 题目：有 1、2、3、4个数字，能组成多少个互不相同且无重复数字的三位数？都是多少？
1.程序分析：可填在百位、十位、个位的数字都是1、2、3、4。组成所有的排列后再去掉不满足条件的排
列。-Study 300 cases of C-language classic c language program to learn the subject: There are numbers 1,2,3,4, can form a number of different from each other and no repeat of the three-digit number? Are how much? 1 program analysis: can fill in one hundred, ten, one-bit numbers are 1,2,3,4. Then remove all of the order form does not meet the conditions of the arrangement.
1.程序分析：可填在百位、十位、个位的数字都是1、2、3、4。组成所有的排列后再去掉不满足条件的排
列。-Study 300 cases of C-language classic c language program to learn the subject: There are numbers 1,2,3,4, can form a number of different from each other and no repeat of the three-digit number? Are how much? 1 program analysis: can fill in one hundred, ten, one-bit numbers are 1,2,3,4. Then remove all of the order form does not meet the conditions of the arrangement.
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C语言学习300例.pdf