Array Challenge Have the function ArrayChallenge (arr) take the array of integers stored in arr, and determine if any three distinct numbers (excluding the first element) in the array can sum up to the first element in the array. For example: if arr is [8, 2, 1, 4, 10, 5, -1, -1] then there are actually three sets of triplets that sum to the number 8: [2, 1, 5], [4, 5, -1] and [10, -1, -1]. Your program should return the string true if 3 distinct elements sum to the first element, otherwise your program should return the string false. The input array will always contain at least 4 elements. Examples Input: [10, 2, 3, 1, 5, 3, 1, 4, -4, -3, -2] Output: true Input: [12, 3, 1, -5, -4, 7] Output: false

Array Challenge Have the function ArrayChallenge (arr) take the array of integers stored in arr, and determine if any three distinct numbers (excluding the first element) in the array can sum up to the first element in the array. For example: if arr is [8, 2, 1, 4, 10, 5, -1, -1] then there are actually three sets of triplets that sum to the number 8: [2, 1, 5], [4, 5, -1] and [10, -1, -1]. Your program should return the string true if 3 distinct elements sum to the first element, otherwise your program should return the string false. The input array will always contain at least 4 elements. Examples Input: [10, 2, 3, 1, 5, 3, 1, 4, -4, -3, -2] Output: true Input: [12, 3, 1, -5, -4, 7] Output: false

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Array Challenge Have the function ArrayChallenge (arr) take the array of integers stored in arr,
and determine if any three distinct numbers (excluding the first element) in the array can sum up
to the first element in the array. For example: if arr is [8, 2, 1, 4, 10, 5, -1, -1] then
there are actually three sets of triplets that sum to the number 8: [2, 1, 5], [4, 5, -1]
and [10, -1, -1]. Your program should return the string true if 3 distinct elements sum to the
first element, otherwise your program should return the string false. The input array will always
contain at least 4 elements. Examples Input: [10, 2, 3, 1, 5, 3, 1, 4, -4, -3, -2] Output: true
Input: [12, 3, 1, -5, -4, 7] Output: false

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