switch k++
执行下列程序，k输入为1时的输出结果是#include <stdio.h>
int main()
{
int k;
scanf("%d",&k);
switch(k)
{
case 1: printf("%d",k++);
case 2: printf("%d",k++);
case 3: printf("%d",k++); break;
default:printf("Full!");
}
return 0;
}
A.1
B.123 √
C.2
D.3
E.234 ×
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