How to Solve Friends Of Appropriate Ages Problem
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Friends Of Appropriate Ages
There are n persons on a social media website. You are given an integer array ages where ages[i] is the age of the ith person. A Person x will not send a friend request to a person y (x != y) if any o...
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Understanding the Friends Of Appropriate Ages Problem
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Problem Statement
There are n persons on a social media website. You are given an integer array ages where ages[i] is the age of the ith person. A Person x will not send a friend request to a person y (x != y) if any of the following conditions is true: age[y] <= 0.5 * age[x] + 7 age[y] > age[x] age[y] > 100 && age[x] < 100 Otherwise, x will send a friend request to y. Note that if x sends a request to y, y will not necessarily send a request to x. Also, a person will not send a friend request to themself. Return the total number of friend requests made.
Friends Of Appropriate Ages
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Examples
ages = [16,16]22 people friend request each other.
ages = [16,17,18]2Friend requests are made 17 -> 16, 18 -> 17.
ages = [20,30,100,110,120]3Friend requests are made 110 -> 100, 120 -> 110, 120 -> 100.
Constraints
n == ages.length1 <= n <= 2 * 1041 <= ages[i] <= 120How Interview Coder Helps with Leetcode Problems
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