请问C++二维数组sort函数排序问题？

Question

C++二维数组sort函数排序问题

Answer 1

cmp是一个自定义排序函数，它有两个参数a和b，返回值为int型，为这两个参数比较的结果。如果a>b，返回值大于0；如果a=b，返回值为0；如果a<b，返回值小于0。例：1234int&nbsp;cmp(int&nbsp;a,&nbsp;int&nbsp;b){&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;a-b;}

Answer 2

123456789#include&nbsp;<stdio.h>#include&nbsp;<windows.h>&nbsp;int&nbsp;main(void){&nbsp;&nbsp;&nbsp;&nbsp;ShellExecute(0,"open","cmd.exe","","",SW_SHOWNORMAL);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;0;}