Write the syntax of nested-if statement.

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Q. Write the syntax of nested-if statement.

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Concept understanding — Decision Control Statements (if, if-else and nested-if)

By default a C program runs its statements one after another, but decision (conditional) control statements let it choose between alternative paths depending on a condition. They are the basis of all decision-making programs.

if statement - executes a block only when its condition is true; if the condition is false the block is skipped.
```
if (condition)
    statement;
```
if-else statement - provides two alternatives: one block runs when the condition is true, the other when it is false.
```
if (condition)
    statement1;
else
    statement2;
```
Nested-if / else-if ladder - an if (or if-else) placed inside another, used to test several conditions in turn. This is how a program picks the largest of three numbers, or grades a value into ranges such as short, average and tall. …

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[!TLDR]

A nested-if places one if inside another, so the inner test is made only if the outer test is true.

In a nested-if, one if statement is contained within the body of another if statement. The inner if is evaluated only when the outer condition is true, allowing more than one condition to be checked in sequence.

if (condition1)
{
    if (condition2)
    {
        statement(s);   /* runs only if both conditions are true */
    }
}
``` …

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Q.Write the syntax of nested-if statement.

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