CodeWorkout X71-X120

For this problem, we'll round an int value up to the next multiple of 10 if its rightmost digit is 5 or more, so 15 rounds up to 20....

We want make a package of goal kilos of chocolate. We have small bars (1 kilo each) and big bars (5 kilos each). Return the number of...

Given a string, if the same 2-character substring appears at both its beginning and end, return the contents of the string without the...

Write a function in Java that implements the following logic: Return a version of the given array where each zero value in the array is...

Given a non-empty array of type int, return a new array containing the elements from the original array that came before thefirst 4 in...

Given an array of int values, return true if the group of n numbers at the start of the array is the same as the group of n numbers at...

Say that a "clump" in an array is a series of 2 or more adjacent elements of the same value. Return the number of clumps in the given...

Given an array, return an array that contains exactly the same numbers as the original array, but rearranged so that every 4 is...

Given a string, does "xyz" appear in the middle of the string? To define middle, we'll say that the number of chars to the left and right...

Given a string str and an int n, return a string made of the first n characters of the string, followed by the first n - 1 characters of...

Return an array that contains the exact same numbers as the given array, but rearranged so that all the even numbers come before all the...

Given n >= 0, create an array with the pattern {1, 1, 2, 1, 2, 3, ... 1, 2, 3 .. n} (spaces added to show the grouping). Note that...

Given a string of any length, return a new string where the last 2 chars, if present, are swapped, so "coding" yields "codign".

Given a string, return true if "bad" appears starting at index 0 or 1 in the string, such as with "badxxx" or "xbadxx" but not "xxbadxx"....

Return a version of the given string, where for every star (*) in the string the star and the character immediately to its left and the...

Return true if somewhere in the array, there are three increasing adjacent numbers like .... 4, 5, 6, ... or 23, 24, 25.

Given start and end integers, return a new array containing the sequence of integers from start up to but not including end, so start = 5...

Return an array that is "left shifted" by one--so for an input of {6, 2, 5, 3}, the method returns {2, 5, 3, 6}. You may modify and...

Given a non-empty array of ints, return a new array containing the elements from the original array that come after the last 4 in the...

We'll say that an element in an array is "alone" if there are values before and after it, and those values are different from it. Return...

Return an array that contains the exact same numbers as the given array, but rearranged so that all the zeros are grouped at the start of...

Given two arrays of ints sorted in increasing order, called outer and inner, return true if all of the numbers in inner also appear in ...

Given n >= 0, create an array of length n * n with the following pattern, shown here for n = 3 : {0, 0, 1, 0, 2, 1, 3, 2, 1} (spaces...

Given an out string of length 4, such as "<<>>", and a word, return a new string where the word is in the middle of the out...