Junior 5 (array)

1. Write a program to check if the first element and the last element are equal.

Array: [1, 2, 3, 4, 5,  1]

True

2. Write a C# program to compute the sum of all the elements of an array of integers.

Array: [1, 2, 3, 4, 6,  4, 10]

Sum: 30

3. Write a program that takes ten numbers as input to calculate and print the average.

Number 1: 0

Number 2: 3

Number 3: 9

Number 4: 12

Number 5: 11

Number 6: 6

Number 7: 8

Number 8: 11

Number 9: 12

Number 10: 7

The average of this numbers is: 7,9

4. Write a program to get the larger value between first and last element of an array of integers. 

Array: [1, 2, 5, 4, 3]

Highest value between first and last values of the said array: 5

5. Write a program to multiply corresponding elements of two arrays of integers.

Array1: [2, 3, -3, 5]

Array2: [2, 1, -3, -5]

4 3 9 -25

6. Write a program to count a specified number in a given array of integers.

Array: [1, 1, 2, 3, 4, 4, 4, 5, 5]

Input an integer: 5

Number of 5 present in the said array: 2

7. Write a program to rotate an array of integers in left direction.

Array: [1, 2, 3, 4, 5, 6, 7]

After rotating array becomes: [2, 3, 4, 5, 6, 7, 1]

8. Write a program to check if a given string is a palindrome or not.

aba

True

9. Write a C# program to sort the integers in array of integers.

Array: [7, 1, 3, 4, 6, 5, 2]

[1, 2, 3, 4, 5, 6, 7]