Stacks And Queues
Validate a string containing only '(', ')' and '*'
AskAI
This function checks whether a given string is valid according to the rules defined above. A valid string must contain matching parentheses, with the left parentheses coming before the right parentheses, and '*' characters representing either a left or right parentheses or an empty string.
145
Oct 20
Sum of integers at even indices
AskAI
Given a list of integers, the sum of the integers at even indices is returned. So for the input list [1, 2, 3, 4, 5], the output would be 6 (2 + 4).
175
1
Oct 11
