Write a C program to accept two numbers and check whether they are equal or unequal.

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Q. Write a C program to accept two numbers and check whether they are equal or unequal.

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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]

Read two numbers and test (a == b) in an if...else to report them as equal or unequal.

Two numbers are compared with the equality relational operator ==, which is true only when the values are identical. The result decides which message is printed.

#include <stdio.h>
int main()
{
    int a, b;
    printf("Enter two numbers: ");
    scanf("%d %d", &a, &b);
    if (a == b)
        printf("The two numbers are equal\n");
    else
        printf("The two numbers are unequal\n");
    return 0;
}
``` …

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Q.Write a C program to accept two numbers and check whether they are equal or unequal.

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