# Search Results

Searching for: loops

## Individual Exercises

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Given an array of `int`s, return `true` if the array does not contain any 1s or 3s. Otherwise, return `false`.

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Given an array of `int`s, return `true` if the sum of all the 2's in the array is exactly 8.

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Given an array of `int`s, return `true` if the number of 1s is greater than the number of 4s. Otherwise, return `false`.

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Given an array of ints, return `true` if every element is either a 1 or a 4. Otherwise, return `false`.

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Consider the series of numbers beginning at `start` and running up to but not including `end`, so for example start=1 and end=5 gives the...

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Given an array of `int`s, if it contains no 1's return `true`. If it contains no 4's, return `true`. If it contains both, return `false`.

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Given an array of `int`s, return `true` if the array contains a 2 next to a 2 or a 4 next to a 4, but not both. Otherwise, return `false`.

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Given an array of `int`s, return `true` if the array contains two 7s next to each other, or there are two 7s separated by one element, such...

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Given an array of `int`s, return `true` if there is a 1 in the array with a 2 somewhere later in the array.

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Given an array of `int`s, return `true` if the value 3 appears in the array exactly 3 times, and no 3s are next to each other.

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Given an array of `int`s, return `true` if every 2 that appears in the array is next to another 2. Otherwise, return `false`.

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Given a non-empty array, return `true` if there is a place to split the array so that the sum of the numbers on one side is equal to the...

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Consider the leftmost and righmost appearances of some value in an array. We'll say that the span is the number of elements between the...

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Return an array that contains exactly the same numbers as the given array but re-arranged so that every 3 is immediately followed by a 4....

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We'll say that a "mirror" section in an array is a group of contiguous elements such that somewhere in the array, the same group appears...

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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...

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Given a non-empty array of `int`s, return a new array containing the elements from the original array that come before the first 4 in the...

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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...

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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...

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

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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...

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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...

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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...

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

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