Example of if statement #include<stdio.h>intmain(){intx=20;inty=22;if(x<y){printf("Variable x is less than y");}return0;} Output: Variablexisless than y Explanation:The condition (x<y) specified in the “if” r
The if statement allows you to control if a program enters a section of code or not based on whether a given condition is true or false. One of the important functions of the if statement is that it allows the program to select an action based upon the user's input. For example, by...
Simple Example Illustrating If Statement Consider a program that checks if a number is positive: #include<stdio.h> intmain(){ intnumber=10; if(number>0){ printf("The number is positive.\n"); } return0; } In this example, sincenumberis greater than 0, the condition evaluates to true,...
if(test_condition) { //statement(s); } If the value oftest_conditionis true (non zero value), statement(s) will be executed. There may one or more than one statement in the body of if statement. If there is only one statement, then there is no need to use curly braces. ...
In the last tutorial we learned how to use if statement in C. In this guide, we will learn how to use if else, nested if else and else if statements in a C Program. C If else statement Syntax of if else statement: If condition returns true then the state
program 条件编译指令 #ifdef、#ifndef、#endif #if、#elif、#else、#endif error 自我测评 开门见山 本文主要介绍c语言中条件编译相关的预编译指令,常见的预处理指令如下: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 #include包含一个源代码文件 #define定义宏 #undef取消已定义的宏 #if如果给定条件为...
(nonzero),statementis executed. Ifexpressionis false,statementis ignored. In the second form of syntax, which useselse, the secondstatementis executed ifexpressionis false. With both forms, control then passes from theifstatement to the next statement in the program unless one of the statements...
The “if-else” statement isn’t just a control structure; it’s a gateway to crafting intelligent and user-friendly programs. Our Data Science Courses Duration and Fees Program Name Start Date Fees Data Science Course in Bangalore Cohort Starts on: 8th Jun 2025 ₹85,044...
This guide explains how to create a basic Hello, World-style C program by using a text editor, and then compile it on the command line. If you'd rather work in C++ on the command line, see Walkthrough: Compiling a Native C++ Program on the Command Line. If you'd like to try the...
Example 1: if statement // Program to display a number if it is negative #include <stdio.h> int main() { int number; printf("Enter an integer: "); scanf("%d", &number); // true if number is less than 0 if (number < 0) { printf("You entered %d.\n", number); } printf(...