If Statement MCQ 4 : Comparison operators/Relational operators

If Statement MCQ 4 : Comparison operators/Relational operators

Before Solving this Question You Should know : Operator Precedence and Priority Basic

Problem Statement 13 : Comparison operators/Relational operators

#include<stdio.h>
void main()
{
int num1=10,num2=20,num3;
num3 = num1 > num2 && num2 > num1;
printf("%d",num3);
}

Options : Guess the Output

1. 20
2. 1
3. 10
4. 0

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num3 = num1 > num2 && num2 > num1;

How ? Why ?

1. Above Expression Contain 3 Unique Operators [ > , && ,= ]
2. Out Of  them , Relational Operator has Highest Priority  and .Assignment Operator [=] has Lowest Priority .
3. So num1 > num2 will be executed First. Steps of Evaluation are as Follow -

Step 1 : num3 = num1 > num2 && num2 > num1
Step 2 : num3 = 0 && num2 > num1
Step 3 : num3 = 0 && 1
Step 4 : num3 = 0

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Tags / Keywords : | if-mcq

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