Introduction This article mainly introduces the basic usage and some considerations of selection and loop statements in C++. if Series Statements if Statement The if statement is used to determine whether to execute a certain piece of code based on a condition. Its syntax format is if(<expression>){ <statement>}</statement></expression> Look at the following code int x, … Read more
The switch statement in C is an alternative to the if-else-if ladder, allowing us to perform multiple actions based on different possible values of a single variable, known as the switch variable. Here, we can define statements in multiple cases for different values of the same variable. The syntax of the switch statement in C … Read more
The C language also provides another way for multi-branch selection using the switch statement, which has the general form:switch(expression){ case constant_expression1: statement1; case constant_expression2: statement2; … case constant_expressionn: statementn; default: statementn+1;}The semantics are: calculate the value of the expression. Then compare it one by one with the subsequent constant expression values. When the value of … Read more