问题详情
#include <stdio.h>
main()
{ int x=1,y=0,a=0,b=0;
switch(x)
{ case 1:
switch(y)
{ case 0:a++; break;
case 1:b++; break;
}
case 2:a++; b++; break;
case 3:a++; b++;
printf("a=%d,b=%d\n",a,b);
程序的运行结果是
A.a=1,b=0
B.a=2,b=2
C.a=1,b=1
D.a=2,b=1