WebJan 25, 2024 · C语言switch case语句的case后面不能接范围? 铁头小哥: 谢谢补充. C语言switch case语句的case后面不能接范围? 肠胃不好: 闭区间 注意每个case的区间不要交 … Web关于 switch-case 的几个重点. 1) case 并不总是需要顺序 1,2,3 等。. 它们可以在 case 关键字后面包含任何整数值。. 此外, case 不需要始终按升序排列,您可以根据程序的需 …
switch语句中case后面的表达式必须是什么-常见问题-PHP中文网
WebFeb 25, 2024 · Note that any init-statement must end with a semicolon ;, which is why it is often described informally as an expression or a declaration followed by a semicolon.: condition - any of the following: an expression, in this case the value of condition is the value of the expression ; a declaration of a single non-array variable of such type with a brace … WebJun 24, 2024 · 具体地说,switch...case会生成一份大小(表项数)为最大case常量+1的跳表,程序首先判断switch变量是否大于最大case 常量,若大于,则跳到default分支处理;否则取得索引号为switch变量大小的跳表项的地址(即跳表的起始地址+表项大小*索引号),程序接着跳到 ... novel elizabeth afton
C语言switch case语句详解
WebOct 3, 2015 · switch (rule) { case 2: // foo things; case 3: // bar things; case 5: // baz things; } 大致上类似于. // 在初始化时装好的: target_array [] = {address of foo things, address … http://c.biancheng.net/view/1808.html WebAug 13, 2024 · 这个有switch语法特性决定的, switch中每个case都是平等的层次,区别于一般的if else语句,我们知道swich的case语句可以这样写:switch (i){case 1:case 2:int … novel educated a memoir