# [Leet Code] Group the People Given the Group Size They Belong To

Leetcode: https://leetcode.com/problems/group-the-people-given-the-group-size-they-belong-to/

There are `n`

people that are split into some unknown number of groups. Each person is labeled with a **unique ID** from `0`

to `n - 1`

.

You are given an integer array `groupSizes`

, where `groupSizes[i]`

is the size of the group that person `i`

is in. For example, if `groupSizes[1] = 3`

, then person `1`

must be in a group of size `3`

.