C Programming

All About Operators in C Programming for Best Homework Help

Operators in C are a crucial concept. Many students often get confused while including them and make silly mistakes. Thus, when their code does not get the desired results, they look for programming homework help online. But students need to learn these basic concepts, especially if they are pursuing their studies in C, C++, or Java. So, to help them out, this post will explain the vital operators in detail.

What Are the Operators in the C Programming Language and Their Types?

Operators in C are the set of symbols that allows the user to perform relational, logical, mathematical, and other operations. So, they are used to conduct computations on variables and values. The operations conducted on the operands deliver integer, decimal, and boolean results. To get a clear overview, let’s discuss some essential operators which are widely popular in the C programming language.

1. Arithmetic Operators

Mathematical operations are performed on operands using arithmetic tools. So, whenever the user opts for these operators whenever they want to compute addition, subtraction, multiplication, and division. Let’s look at its further classification in the sub-sections given below.

A) Unary Arithmetic Operators

These are those that work with a single variable. There are two unary operators: increment (++) and decrement (–). The former increases the value of the operand by one, while the latter decreases it.

Ø  Example Program

#include <stdio.h>

int main() {

int val = 5;


printf(“value is increased to “”%d”, val);

return 0;


Ø  Output: value is increased to 6

B) Binary Arithmetic Operators

When the user applies mathematical operations on two variables, they are known as binary operators. Addition (+), subtraction (-), multiplication (*), and division (/) are some examples.

Ø  Example Program

#include <stdio.h>

int main() {

int a= 9;

int b= 4;

int c;

c = a + b;

printf(“the sum of a and b adds up to “”%d”,c);

return 0;


Ø  Output: the sum of a and b adds up to 13

Now that you know what arithmetic operators are and how to use them, let’s read further about relational operators.

2. Relational Operators

The user has to use relational operators to perform a comparison between two values. So, after receiving the command, it evaluates if one value is smaller, greater, or equal to the other. When using the relational operator, if the answer is true, the value the compiler denotes is 1. On the other hand, if the value is false, it says 0. For instance, if you check whether 2 is less than 4 or not, the compiler will return the value 1, as this is true.

Ø  Example Program

#include <stdio.h>

int main()


int a= 7;

int b= 3;

printf(“Value of a is ” “%d”,a);

printf(“\nValue of b is ” “%d”,b);

printf(“\nif a is greater than b then the compiler will return 1 as answer to denote that it is a true statement ” “\nanswer: “”%d”,a>b);

return 0;


Ø  Output:

Value of a is 7

Value of b is 3

if a is greater than b then the compiler will return 1 as answer to denote that it is a true statement

answer: 1

After knowing relational operators, let’s drive ahead and learn about logical operators in the C programming language.

3. Logical Operators

The user uses these operators to combine two or more conditions into one single prompt. It means sending out multiple instructions in a statement. Boolean value always denotes the result of logical operations. The answer is either true or false. Its three types are AND (&&), OR (||), and NOT (!).

Ø  Example Program

#include <stdio.h>


int main() {

int a= 4;

int b= 6;

int c= 2;

int d= 14;

printf(“Value of a is ” “%d” , a);

printf(“\nValue of b is ” “%d”,b);

printf(“\nValue of c is ” “%d” ,c);

printf(“\nValue of d is ” “%d” ,d);

printf(“\nState true by denoting 1, if a is less than b and c is less than d” “\nanswer: “”%d”,a < b && c < d);

return 0;


Ø  Output:

Value of a is 4

Value of b is 6

Value of c is 2

Value of d is 14

State true by denoting 1, if a is less than b and c is less than d

answer: 1

Until now, you have learned the vital operators in the C programming language with examples. Many of you can make silly mistakes even after understanding the concepts of operators in detail. This post has explained some common problems, so you can avoid making such errors.

Common Mistakes to Avoid While Using Operators

The compiler of the C language defines mistakes as “errors” in programming. So, if you are choosing operators to perform operations, it is likely to make common errors. Most of the time, students cannot identify the issues in a lengthy code, and thus they seek assignment help from experts. But if you want to learn how to avoid these errors, read below for some quick solutions.

Syntax Errors

Every logical operator has its syntax. The C compiler understands only this library-defined format. So, one misplaced colon can also lead to an error. To avoid these mistakes, note down all the syntax and rules and cross-check them before you run the program.

Semantic Errors

When a compiler cannot read and understand what is written in the program, it is considered a semantic error. It usually happens when users write the proper operation syntax but forget to define the variables used with the operator. Another example of semantics is: when you put decimal values in an integer data type. So, make sure to give proper instructions in an appropriate way without missing a single detail.


Operators are one of the most crucial concepts in C. Students should learn the concepts of arithmetic, logic, and relational operations before using them in the code. Learning these while avoiding semantic and syntax errors will make their tasks easy. Apart from this, if they still face problems while coding, they can seek assistance from platforms offering online homework help.

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