Convert the given decimal number to the given base. Example: For num=1 and base=2 the output should be BaseChange(num, base)=1 (note that it's not 00001) For num=10 and base=2 the output should…
Tony loved to watch his digital clock. He spent his days counting the number of times each digit occurred on the clock. Eventually it bored him. Now he wants to…
Fill the square matrix of the given size nspirally clockwise from the upper left corner with numbers from 1 to n * n. Example: For n = 3 the output should be SpiralMatrix(n)=[[1,2,3], [8,9,4], [7,6,5]] Input/Output: [execution…
You are given two arguments mainString and findString.Your task it to find the number of occurrences of the findString in the mainString (Case sensitivity) Example: For mainString=""banana"" and findString="a" the output should be FindString(mainString,findString) = 3. Input/Output: [execution time…
You are given a string. Let's call its substring a group, if all letters in it are adjacent and the same. Let's call the substiring with 2 or more adjacent group…
You're given an array S of positive integers. Return number x from S, such that each number of S is a multiple of x, or -1 if such x doesn't exist. Examples: For s=[3,6,3,15,9] the output should be NumberGameIII(s)=3. Each number of S is…
Cho 2 mảng số nguyên dương a và b, hãy tìm xem bao nhiêu phần tử thuộc mảng a chia hết cho tất cả các phần tử thuộc mảng b…
Một cặp số đảo ngược được định nghĩa rằng nếu số chữ số của hai số là bằng nhau và viết ngược lại các chữ số của số thứ nhất…
Let's play with strings that have only ( , ) , [ and ]. Define a regular brackets sequence in the following way: Empty sequence is a regular sequence. If S is a regular sequence, then (S)and [S] are both regular sequences.…
Find out how many ways are there to fill a 4 × n rectangle with 1 × 2 rectangles (without overlapping). All the 1 × 2 rectangles are considered to be the same. The answer might…
