Code a program to check if a given string is matching a given regular expression
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How do you print all elements of a linked list.
Given two unsorted arrays, one with event start times and one with end times, find out if any two events overlap.
Figure out how many words are in a string
You are given a list of strings (e.g. ["cat", "dog", "hat", "apple", "c"] ). Write a program that would take as input a string containing a wild card character, like "*at", "**t" (could be "cat", "hat", "bat"), "ca*", etc. and return true if there is a corresponding string in the list, and false otherwise.
You have 8 balls. All are identical except one is slightly heavier. You have a balance. What is the minimum number of weighings required to find the heavier ball?
Describe a function (in C) that does the following Input : an integer. Output: if that integer is 4, the function returns 7. if that integer is 7, the function returns 4. constraints: the input is SURE to be either 4 or 7. no need to validate. you are not allowed to use any condition/flow commands (if, switch, while, for, trinary operator...) you are not allowed to use any external library or import anything (like math..) you are not allowed to use %(modulu), * (multiplication)
reverse bits of an integer that is a power of 2 , keeping complexity in mind.
How many unique paths are there from B-L point to the T-R point of a chess table? What would be your approach to calculate this?
Reverse the words in a sentence. For example, "Have a nice day" becomes "day nice a Have"
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