Nested Loops, Arrays, Strings
Input | Output |
1 5 1 | [1, 2, 3, 4, 5] |
10 100 20 | [10, 30, 50, 70, 90] |
1 5 0.5 | [1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5] |
- Given an array․ Compute the length of the array. (without using .length)
Input | Output | |
[1, 12, 4] | 3 | |
[-1, 0, 1, 2] | 4 | |
[] | 0 | |
[-1, 0.4] | 2 |
- Given an array of numbers. Print the sum of the elements in array.
Input | Output | |
[1, 12, 4] | 17 | |
[-1, 0, 1, 2] | 2 | |
[] | 0 | |
[-1, 0.4] | 0.6 |
- Given three numbers a, b (a ≤ b) and Create an array of evenly spaced elements starting from a to b spaced by step.
- Given a string and a symbol. Find the number of occurrences of the symbol in the string.
Input | Output | |
“Some text here”, “a” | 0 | |
“another string”, “t” | 2 |
Input | Output | |
[‘hello’, ‘,’ , ‘ ’, ‘world’] | “hello, world” | |
[‘a’, ‘c’, ‘a’] | “aca” |
- Given a string. Check whether the string is palindrome or not.
Input | Output | |
“racecar” | “yes” | |
“T” | “Yes” | |
“” | “No” | |
“palindrome” | “No” |
- Given an array of numbers. Find the maximum element in array.
Input | Output | |
[1, 10, 2, 2, 3] | 10 | |
[1, 4, 43, -112] | 43 |
- Given an array of strings. Print the concatenation of all elements.
- Given an array. Create the array which elements are products between two neighbours.
Input | Output |
[3, 7, 12, 5, 20, 0] | [21, 84, 60, 100, 0] |
[1, 1, 4, 32, 6] | [1, 4, 128, 192 ] |
- Given an array of numbers. Create an array containing only elements once.
Input | Output | |
[1, 2, 3, 3, 2, 5] | [1, 2, 3, 5] | |
[4, 4] | [4] |
- Given a string and symbols. Change first symbol by the second one in the string.
Input | Output |
“The results are not recorded yet”, “t”, “w” | “The resulws are now recorded yew” |
“does the following code”, “o”, “0” | “d0es the f0ll0wing c0de” |
- Insert a string. Create new string which is the mirror reverse of the inserted one around its center.
Input | Output | |
“stranger” | “ngerstra” | |
“rotator” | “torarot” |
- Given an array of numbers. Print frequency of each unique number. (Frequency is the count of particular element divided by the count of all elements)
Input | Output |
[1, 1, 2, 2, 3] | 1: 0.42: 0.43: 0.2 |
[4, 4] | 4: 1 |
[1, 2, 3] | 1: 0.33333333333333332: 0.33333333333333333: 0.3333333333333333 |
- Print the following number pattern: (Change )
1
12
123
1234
12345
1234
123
12
1
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