C programming exercises: Conditional Statement - w3resource (2024)

C Conditional Statement [26 exercises with solution]

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1. Write a C program to accept two integers and check whether they are equal or not.
Test Data : 1515
Expected Output :
Number1andNumber2areequal
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2. Write a C program to check whether a given number is even or odd.
Test Data : 15
Expected Output :
15isanoddinteger
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3. Write a C program to check whether a given number is positive or negative.
Test Data : 15
Expected Output :
15isapositivenumber
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4. Write a C program to find whether a given year is a leap year or not.
Test Data : 2016
Expected Output :
2016 is a leap year.
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5. Write a C program to read the age of a candidate and determine whether he is eligible to cast his/her own vote.
Test Data : 21
Expected Output :
Congratulation!Youareeligibleforcastingyourvote.
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6. Write a C program to read the value of an integer m and display the value of n is 1 when m is larger than 0, 0 when m is 0 and -1 when m is less than 0.
Test Data : -5
Expected Output :
Thevalueofn=-1
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7. Write a C program to accept the height of a person in centimeters and categorize the person according to their height.
Test Data : 135
Expected Output :
ThepersonisDwarf.
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8. Write a C program to find the largest of three numbers.
Test Data : 12 25 52
Expected Output :
1stNumber=12,2ndNumber=25,3rdNumber=52
The3rdNumberisthegreatestamongthree
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9. Write a C program to accept a coordinate point in an XY coordinate system and determine in which quadrant the coordinate point lies.
Test Data : 7 9
Expected Output :
The coordinate point (7,9) lies in the First quadrant.
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10. Write a C program to determine eligibility for admission to a professional course based on the following criteria: Go to the editor
Eligibility Criteria :Marks in Maths >=65and Marks in Phy >=55and Marks in Chem>=50and Total in all three subject >=190or Total in Maths and Physics >=140-------------------------------------Input the marks obtained in Physics :65Input the marks obtained in Chemistry :51Input the marks obtained in Mathematics :72Total marks of Maths, Physics and Chemistry : 188Total marks of Maths and Physics : 137The candidate is not eligible.
Expected Output :
The candidate is not eligible for admission.
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11. Write a C program to calculate the root of a quadratic equation.
Test Data : 1 5 7
Expected Output :
Rootareimaginary;
No solution.
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12. Write a C program to read the roll no, name and marks of three subjects and calculate the total, percentage and division.
Test Data :
Input the Roll Number of the student :784
Input the Name of the Student :James
Input the marks of Physics, Chemistry and Computer Application : 70 80 90
Expected Output :
Roll No : 784
Name of Student : James
Marks in Physics : 70
Marks in Chemistry : 80
Marks in Computer Application : 90
Total Marks = 240
Percentage = 80.00
Division = First
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13. Write a C program to read temperature in centigrade and display a suitable message according to the temperature state below:
Temp < 0 then Freezing weather
Temp 0-10 then Very Cold weather
Temp 10-20 then Cold weather
Temp 20-30 then Normal in Temp
Temp 30-40 then Its Hot
Temp >=40 then Its Very Hot
Test Data :
42
Expected Output :
Its very hot.
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14. Write a C program to check whether a triangle is Equilateral, Isosceles or Scalene.
Test Data :
50 50 60
Expected Output :
Thisisanisoscelestriangle.
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15. Write a C program to check whether a triangle can be formed with the given values for the angles.
Test Data :
405565
Expected Output :
Thetriangleisnotvalid.
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16. Write a C program to check whether a character is an alphabet, digit or special character.
Test Data :
@
Expected Output :
This is a special character.
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17. Write a C program to check whether an alphabet is a vowel or a consonant.
Test Data :
k
Expected Output :
The alphabet is a consonant.
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18. Write a C program to calculate profit and loss on a transaction.
Test Data :
500 700
Expected Output :
Youcanbookedyourprofitamount:200
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19. Write a program in C to calculate and print the electricity bill of a given customer. The customer ID, name, and unit consumed by the user should be captured from the keyboard to display the total amount to be paid to the customer.

The charge are as follow :

If bill exceeds Rs. 400 then a surcharge of 15% will be charged and the minimum bill should be of Rs. 100/-

Test Data :
1001
James
800
Expected Output :
Customer IDNO :1001
Customer Name :James
unit Consumed :800
Amount Charges @Rs. 2.00 per unit : 1600.00
Surchage Amount : 240.00
Net Amount Paid By the Customer : 1840.00

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20. Write a program in C to accept a grade and declare the equivalent description :

Test Data :
Input the grade :A
Expected Output :
You have chosen : Average
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21. Write a C program to read any day number in integer and display the day name in word format.
Test Data :
4
Expected Output :
Thursday
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22. Write a program in C to read any digit and display it in the word.
Test Data :
4
Expected Output :
Four
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23. Write a C program for reading any Month Number and displaying the Month name as a word.
Test Data :
4
Expected Output :
April
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24. Write a program in C to read any Month Number in integer and display the number of days for this month.
Test Data :
7
Expected Output :
Monthhave31days
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25. Write a C program which computes the area of various geometrical shapes using a menu-driven approach.
Test Data :
1
5
Expected Output :
The area is : 78.500000
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26. Write a program in C which is a Menu-Driven Program to perform a simple calculation.
Test Data :
10
2
3
Expected Output :
The Multiplication of 10 and 2 is: 20
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