Computer Science

Linear Data Structures

Arrays - Basic

     

Write a program that computes the change in the average (arithmetic mean) of an unsorted array, when each number larger than X X in the array is changed to a different number Y.Y.

What is the biggest average among the given arrays when all the numbers larger than 20 20 are changed to 20 20 in the arrays below?

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
[12, 10, 8, 36, 12, 10, 0, 20, 0, 2]
[28, 29, 11, 29, 2, 6, 4, 7, 13, 32]
[21, 32, 32, 12, 31, 20, 16, 6, 7, 11]
[32, 36, 17, 5, 10, 30, 20, 7, 33, 11]
[28, 10, 21, 8, 15, 15, 38, 30, 13, 4]
[16, 25, 15, 35, 4, 14, 22, 22, 39, 17]
[18, 5, 11, 6, 34, 8, 21, 3, 19, 22]
[1, 15, 38, 33, 17, 1, 3, 25, 22, 0]
[31, 1, 6, 2, 2, 14, 37, 27, 14, 14]
[2, 16, 2, 18, 16, 28, 25, 30, 8, 23]

What is the sum of the third highest number and the fifth highest number in the following unsorted array?

1
[20, 24, 22, 13, 34, 13, 14, 33, 41, 10, 35, 1, 2, 24, 16, 20, 16, 23, 46, 41, 31, 7, 49, 25, 34, 15, 17, 18, 1, 30, 1, 17, 23, 43, 10, 4, 48, 44, 24, 23, 30, 0, 34, 30, 33, 27, 20, 42, 25, 5]

Write a program that takes an unsorted array as an input and returns the sum of all numbers whose remainders are xx, when divided by NN.

What is the sum of all numbers in the array that have a remainder of 4 4 when divided by 6 6 ?

1
[1, 28, 12, 31, 11, 5, 4, 30, 30, 8, 9, 39, 2, 5, 33, 33, 37, 5, 12, 27, 23, 39, 1, 36, 28, 33, 24, 5, 27, 36]

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