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C语言练习

jeff one 发布时间：2021-11-30 09:50:30 ，浏览量：5

C 练习

问题：

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？

题目分析：

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。

#include
int main()
{
    int i,j,k;
    for(i=1;i


    
        
            
                
                
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