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2D Arrays a data structure that consists of rows and columns, forming a table-like structure. Each element has an index that represents its specific position, which allows us to access the data. For example 3x3 2d array: array = [[1, 2, 3], [4, 5, 6], [7, 8, 9]] To access a specific element in an array, you use indices. For instance, array[0][1] refers to the value in the first row and second co..

Description: Given two strings, s and skip, and a natural number index, you want to create a string according to the following rule. The rules of the password are as follows. Replace each letter of the string s with the alphabet after the index. If the alphabet after the index exceeds z, it returns to a. Skip except for alphabets in skip. For example, if s = "auks", skip = "wbqd", index = 5, the..

Description: Unlike computer keyboards, cell phone keyboards can have multiple characters assigned to a single key. If multiple characters are assigned to one key, pressing the same key quickly in succession changes the characters in the order they are assigned. For example, if key 1 is assigned characters in the order of "A", "B", and "C", then key 1 is "A", double is "B", and three is "C". The..

Description In the string "hello", push each character one space to the right and move the last character forward to become "ohell". If you define this as pushing a string, complete the solution function so that given the strings A and B as parameters, you have to push A to return the minimum number of times that you have to push B if you can, and push B to return -1 if you can't. Restrictions 0..

Description As shown in the following figure, the area where the mine is located and the upper, lower, left, and right diagonal sections adjacent to the mine are all classified as hazardous areas. Mines are marked as 1 on the two - dimensional array board, and only zone 1 where mines are buried and zone 0 without mines exist on the board. When the map board of the landmine buried area is given a..

Problem Mussuk is playing RPG. The game has an up, down, left, right rudder, and when you press each key, you move up, down, left, and right. For example, if you press up at [0,0], the coordinates of the character are [0,1], if you press down, [0,-1], if you press left, [-1,0], if you press right, [1,0]. The parameters are given the array keyinput of the arrow keys entered by the awkward and the..

Problem N natural numbers are arranged from side to side. You have to choose K from these. When you choose, you have to choose all K at once. You will calculate the number of points for each number you choose. The score is the number of your own minus the number of selected numbers on your left. After calculating the score for each of these even numbers, the total score is the sum of the calcula..

Description The addition/subtraction formula "X [operator] Y = Z" is given as a parameter. If the formula is correct, complete the solution function to return the array containing "X" in order if "O" is incorrect. Restrictions There is always one space between the arithmetic symbol and the number. However, there is no space between the minus sign and the number that displays the negative number...