Example 1: if statement // Program to display a number if it is negative#include<stdio.h>intmain(){intnumber;printf("Enter an integer: ");scanf("%d", &number);// true if number is less than 0if(number <0) {printf("You entered %d.\n", number); }printf("The if statement is ...
#if、#elif、#else、#endif #if可支持同时判断多个宏的存在,与常量表达式配合使用。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 #if常量表达式1// ... some codes#elif 常量表达式2// ... other codes#elif 常量表达式3// ...#else// ... statement#endif 常量表达式...
The “if-else” statement in C programming holds the power to guide your code’s execution path based on conditions. By using “if-else” statements, you can build adaptable applications that cater to a range of scenarios, from grading systems to authentication processes and interactive menus. ...
if语句的形式：if (condition) statement_1 else statement_2这里的condition表示条件，其本质是...
The following are examples of theifstatement: C if( i >0) y = x / i;else{ x = i; y = f( x ); } In this example, the statementy = x/i;is executed ifiis greater than 0. Ifiis less than or equal to 0,iis assigned tox, andf( x )is assigned toy. The statement forming...
#if、#elif、#else、#endif #if可支持同时判断多个宏的存在,与常量表达式配合使用。 #if 常量表达式1 // ... some codes #elif 常量表达式2 // ... other codes #elif 常量表达式3 // ... ... #else // ... statement #endif 1. 2. ...
if (expression)statementelsestatement 在两种形式的if语句中,将计算可具有结构之外的任何值的表达式(包括所有副作用)。 在第一种形式的语法中,如果expression为 true(非零),则执行statement。 如果expression为 false,则忽略statement。 在第二种形式的语法(使用了else)中,如果expression为 false,则执行第二个statement...
if语句后面可以跟一个可选的else语句,该语句在布尔表达式为false时执行。 语法(Syntax) C编程语言中if...else语句的语法是 - if(boolean_expression) { /* statement(s) will execute if the boolean expression is true */ } else { /* statement(s) will execute if the boolean expression is false *...
The `if` and `switch` statements provide branching logic in C#. You use `if, `else` and `switch` to choose the path your program follows.
Example: if-else Statement Without Curly BracesConsider the following code. It intends to calculate the discount at 10% if the amount is greater than 100, and no discount otherwise.Open Compiler #include <stdio.h> int main() { int amount = 50; float discount; printf("Amount: %d\n", ...