switch statement (C language) - C 中文开发手册 根据整数参数的值执行代码。用于需要根据整数值执行许多代码分支中的一个或多个分支的情况。 句法 开关(表达式)语句 表达-整数类型的任何表达式(char,signed或unsigned integer或枚举) 声明 - 任何陈述(通常是复合陈述)。情况:和默认值:标签允许在声明中,...
switch (expression)statement labeled-statement: caseconstant-expression:statement default:statement Remarks Aswitchstatement causes control to transfer to onelabeled-statementin its statement body, depending on the value ofexpression. The values ofexpressionand eachconstant-expressionmust have an ...
switch Statement (C) 發行項 2017/06/05 本文內容 Syntax See Also The new home for Visual Studio documentation is Visual Studio 2017 Documentation on docs.microsoft.com.The latest version of this topic can be found at switch Statement (C)....
This set of C Multiple Choice Questions & Answers (MCQs) focuses on “Switch Statement”.Pre-requisite for this C MCQ set: Advanced C Programming Video Tutorial.1. What will be the output of the following C code? (Assuming that we have entered the value 1 in the standard input)...
Switch Statement in C - Learn how to use the switch statement in C programming. Discover its syntax, benefits, and examples for effective coding.
switch statement (C language) - C 中文开发手册 根据整数参数的值执行代码。用于需要根据整数值执行许多代码分支中的一个或多个分支的情况。 句法 开关(表达式)语句 表达-整数类型的任何表达式(char,signed或unsigned integer或枚举)声明-任何陈述(通常是复合陈述)。情况:和默认值:标签允许在声明中,并打破...
Let’s take a simple example to understand the working of a switch case statement in C program. #include<stdio.h>intmain(){intnum=2;switch(num+2){case1:printf("Case1: Value is: %d",num);case2:printf("Case1: Value is: %d",num);case3:printf("Case1: Value is: %d",num);defau...
prog.c: In function ‘main’: prog.c:9:6: error: case label not within a switch statement case 1: ^~~~ prog.c:11:10: error: break statement not within loop or switch break; ^~~~ prog.c:12:6: error: case label not within a switch statement case 2: ^~~~ prog.c:14:10: ...
case和后面的要有一个空格,不能紧挨着 case后面只能接整数,不能接字符串 你把s<250这种条件写在字符串里,是一点用也没用的
用在switch 语句的控制表达式上 整数提升经常和操作数的“平衡”(balancing,后面提到)发生混淆。事实上,整数提升发生在一元操作的过程中,如果二元操作的两个操作数是同样类型的,那么也可以发生在二元操作之上。 由于整数提升,两个类型为 unsigned short 的对象相加的结果总是 signed int 或 unsigned int 类型的;事实...