Function Related Problems
(Total 27 questions)
SL Problem statement Difficulty
levels
1. Function to print a custom message. *
Sample input Sample output
This is a function
2. Function to print an input character value. *
Sample input Sample output
3 Value received from main: 3
A Value received from main: A
3. Function to determine if a number is even or odd. *
Sample input Sample output
3 odd
8 even
4. Function to determine if a number is positive, negative or zero. *
Sample input Sample output
3 positive
-5 negative
0 zero
5. Function that takes two numbers as input and determines if the first number is greater than, *
equal to or less than the second number.
Sample input Sample output
54 5 is greater than 4
26 2 is less than 6
88 8 is equal to 8
6. Function to calculate the sum of n numbers coming from the console. *
Sample input Sample output
80 33 27 Sum In Function: 140
Sum In Main: 140
100 -100 Sum In Function: 0
Sum In Main: 0
7. Function to calculate the sum of n numbers coming from the console and stored in an array. *
Sample input Sample output
3 Sum In Function: 140
80 33 27 Sum In Main: 140
2 Sum In Function: 0
100 -100 Sum In Main: 0
8. Function that takes an array of n integer numbers as input and prints them in reverse order. *
Sample input Sample output
3 284
482
7 9 21 43 8 34 12 5
5 12 34 8 43 21 9
9. Function to calculate the factorial of a number. *
Sample input Sample output
3 6
5 120
10. Function to take two positive numbers x and y as input and calculate x to the power y. *
Sample input Sample output
34 3 to the power 4 is 81
10 3 10 to the power 3 is 1000
11. Function to take a string as input and find its length. *
Sample input Sample output
hello world 11
I love my country 17
12. Function to swap two numbers. *
(Restriction: Pass by value)
Sample input Sample output
10 20 Value in func: 20 10
Value in main: 10 20
13. Function to swap two numbers. **
(Restriction: Pass by reference)
Sample input Sample output
10 20 Value in func: 20 10
Value in main: 20 10
14. Function to determine only even numbers in an array of input integers. *
Sample input Sample output
24 77 117 -512 1024 24 -512 1024
45 33 0 256 0 256
15. Function that finds and returns the minimum value in an array. **
Sample input Sample output
157 -28 -37 26 10 Minimum Value: -37
12 45 1 10 5 3 22 Minimum Value: 1
16. Function that multiplies the array elements by 2 and returns the array. *
Sample input Sample output
157 -28 -37 26 10 314 -56 -74 52 20
12 45 1 10 5 3 22 24 90 2 20 10 6 44
17. Function to sort and return an input array in ascending order. **
Sample input Sample output
10 22 -5 117 0 -5 0 10 22 117
18. Function “IsPrime()” to determine whether a number is prime or not. **
Sample input Sample output
1 Not prime
2 Prime
11 Prime
39 Not prime
101 Prime
19. Function “GeneratePrime()” to compute the prime numbers less than N, where N is an input ***
integer. GeneratePrime() uses IsPrime() to check whether a number is prime or not.
Sample input Sample output
5 Prime less than 5: 2, 3
10 Prime less than 10: 2, 3, 5, 7
40 Prime less than 17: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37
20. Function “GenNthPrime()” to compute the Nth prime number, where N is an integer input. ***
Sample input Sample output
5 5th Prime: 11
10 10th Prime: 29
40 40th Prime: 173
21. Implement the following functions and calculate standard deviation of an array whose values ***
come from the terminal-
TakeInput()
CalcMean(array, num_of_elem)
Calc_Std_deviation(array, num_of_elem)
Formula:
Sample input Sample output
4 5 5 4 4 2 2 6 1.32
600 470 170 430 300 147.32
22. Function find_substr( ) that takes two string arrays (a, b) as parameters, returns 1 if string b **
is found anywhere in string a, or returns –1 if no match is found.
(Assuming, strlen(a)>strlen(b))
Sample input (a, b) Sample output
madam adam 1
telescope less 0
101010 101 1
23. Function find_substr( ) that takes two string arrays (a, b) as parameters, uses function ***
str_length() to determine the lengths of the strings, and then looks for the smaller string
anywhere in the bigger string. It returns 1 if the substring is found, or returns –1 if no match
is found.
[Restriction: str_length() cannot uses built-in strlen() function]
Sample input (a, b) Sample output
madam adam 1
telescope less 0
101010 101 1
24. Program that continuously takes two positive integers as inputs and uses two functions to **
find their GCD (greatest common divisor) and LCM (least common multiple). Both functions
take parameters and returns desired values.
[Hint: Use infinite loop to process inputs]
Sample input Sample output
5 7 GCD: 1
LCM: 35
12 12 GCD: 12
LCM: 12
12 32 GCD: 4
LCM: 96
25. Program that implements function to perform operations on a 3X5 matrix: ***
InputMatrix()
ShowMatrix()
ScalarMultiply()
Sample input Sample output
7 16 55 13 12 Original:
12 10 52 0 7 7 16 55 13 12
-2 1 2 4 9 12 10 52 0 7
-2 1 2 4 9
2
Multiplied by 2:
14 32 110 26 24
24 20 104 0 14
-4 2 4 8 18
7 16 55 13 12 Original:
12 10 52 0 7 7 16 55 13 12
-2 1 2 4 9 12 10 52 0 7
-2 1 2 4 9
-1
Multiplied by -1:
-14 -32 -110 -26 -24
-24 -20 -104 0 -14
4 -2 -4 -8 -18
26. Program that implements function to perform operations on a MXN matrix: ****
InputMatrix()
ShowMatrix()
ScalarMultiply()
Sample input Sample output
2 2 Original:
7 16
7 16 12 10
12 10
Multiplied by 2:
2 14 32
24 20
3 5 Original:
7 16 55 13 12
7 16 55 13 12 12 10 52 0 7
12 10 52 0 7 -2 1 2 4 9
-2 1 2 4 9
Multiplied by -1:
-1 -14 -32 -110 -26 -24
-24 -20 -104 0 -14
4 -2 -4 -8 -18
27. Program to convert a positive integer to another base using the following functions- ****
I. Get_Number_And_Base () : Takes number to be converted (N) and base value (B)
from user. Base must be between 2 and 16.
II. Convert_Number () : Does the conversion
III. Show_Converted_Number() : Displays the converted value.
Sample input(N,B) Sample output
100 8 144
512 16 200
512 0 Base not within proper range!
