Love Graph

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Chef’s girlfriend is angry with him because he forgot her birthday. Chef decided to please her by gifting her a _Love Graph_. Chef has $N$ vertices: $V_1, V_2, \dots, V_N$. _Love Graph_ is an undirected [multigraph](https://en.wikipedia.org/wiki/Multigraph) with no self-loops and can be constructed by performing the following operations:- 1. Choose an integer $i$ ($1 \leq i \leq N$) 2. Choos

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solution.cppC++17

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