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Syntax: The syntax of an if...else statement in C programming language is: 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-else Statement • If we want to choose between two alternative we use the if/else statement: if (boolean_expression)! statement1! else!! statement2! • If boolean_expression evaluates to true, then statement1 is executed. • If boolean_expression evaluates to false, then statement2 is executed.
if-else statement. statement S3. S3. Example. Problem: Input a, b, c are real positive numbers such that c is the largest of these numbers. Print ACUTE if the triangle formed by a, b, c is an acute angled triangle and print NOT ACUTE otherwise. int main() { float a; float b; float c; scanf(“%f%f%f”, &a,&b,&c); /* input a,b,c */
The else if Statement. Use the else if statement to specify a new condition if the first condition is false.
Conditional Statements. Allow different sets of instructions to be executed depending on truth or falsity of a logical condition. Also called Branching. How do we specify conditions? Using expressions. non-zero value means condition is true. value 0 means condition is false. Usually logical expressions, but can be any expression.
handout-06.pptx. Conditionals: If-Else-Statements. Format. if <boolean-expression>: <statement> ... else: <statement> ... Example. # Put max of x, y in z. if x > y: z = x. else: z = y. Execution: if <boolean-expression> is true, then execute statements indented under if; otherwise execute the statements indented under elsec.
6 mar 2013 · The document discusses the if-else conditional statement in C programming. It provides the syntax and examples of using if-else statements to execute code conditionally based on whether an expression is true or false.
