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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.
The else if Statement. Use the else if statement to specify a new condition if the first condition is false. Syntax. if (condition1) { // block of code to be executed if condition1 is true. } else if (condition2) { // block of code to be executed if the condition1 is false and condition2 is true. } else {
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 */
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.
16 cze 2023 · The if-else statement is a decision-making statement that is used to decide whether the part of the code will be executed or not based on the specified condition (test expression). If the given condition is true, then the code inside the if block is executed, otherwise the code inside the else block is executed.
