given n distinct numbers, how many sums of 4 numbers is greater than 0?

C++ Programming: From Problem Analysis to Program Design
8th Edition
ISBN:9781337102087
Author:D. S. Malik
Publisher:D. S. Malik
Chapter7: User-defined Simple Data Types, Namespaces, And The String Type
Section: Chapter Questions
Problem 3SA
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given n distinct numbers, how many sums of 4 numbers is greater than 0?

 

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