Control Statements
‘Nested if’ statement

Nested if in C++ is using more than one if statements in the same scope. The if statement is a decision-making statement that allows taking decisions based upon the condition specified.
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if – else if – else statement

An if-else statement controls conditional branching. Statements in the if-branch are executed only if the condition evaluates to a nonzero value (or true ). If the value of condition is nonzero, the following statement gets executed, and the statement following the optional else gets skipped.
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