Can you optimize the algoritm which you wrote.
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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)
There is a singly linked list of ints, write a function that takes the head pointer, and prints the list in reverse order
Code a program to check if a given string is matching a given regular expression
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.
Given an array where each entry can be another array, and so forth, flatten the array. [4, [3, 6, [9, 1, 9, [5, 1]]], 8] -> [4, 3, 6, 9, 1, 9, 5, 1, 8]
Return the head node of the singly linked list with each pair of nodes swapped. If there is a last odd node leave it in place. Example: Input: 1 -> 2 -> 3 -> 4 -> 5 Output: 2 -> 1 -> 4 -> 3 -> 5
Figure out how many words are in a string
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