#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
int main()
{
int n = 1;
int m = 2;
switch (n)
{
case 1:
m++;
case 2:
n++;
case 3:
switch (n)
{
case 1:
n++;
case 2:
m++;
n++;
break;
}//switch可以嵌套
case 4:
m++;
break;
default:
break;
}
printf("m=%d,n=%d", m, n);
return 0;
}
//答案是m=5,n=3.
