Given a string, shuffle it so that it becomes a palindrome.
For example, adadbcc can be arranged into dacbcad, or dcabacd, acdbdca and more. Any of these (or all) is acceptable, and duplicates are allowed if outputting all. Something like abc cannot be shuffled into a palindrome, and you can assu...
Use "e" or a suffix?
Background
In Māori (the indigenous language of New Zealand), to make a verb a command the verb is either preceded by "e" for example, "oma" (to run) -> "e oma", or, it's given a passive ending to make it a passive verb for example "kōrero" (to speak, talk, say, etc) -> "kōre...
This was an interview question asked by a senior manager.
Which is faster?
while(1) {
// Some code
}
or
while(2) {
//Some code
}
I said that both have the same execution speed, as the expression inside while should finally evaluate to true or false. In this case, both evaluate to true a...
Remove redundant parenthesis code-golf
Given a string containing some parenthesis and some other characters like this: (abc((123))()) your task is to remove any sets of parenthesis that are redundant.
A set of parenthesis is redundant if:
It encloses another set of matching parenthesis, like ab(...
Shifted auto-sum
Let’s take a positive integer such as 123. We define the shifted auto-sum of this integer as follows:
123 has 3 digits. We thus consider 3 copies of 123.
We stack each copy on top of each other, shifted by 1 digit each time:
123
123
123
We pad each copy with 0s (excluding ...
