Party

CodeChefRating 2510Open on judge ↗

There are $N$ employees (numbered $1$ through $N$) working at ShareChat. You are given $M$ pairs of employees that do not get along with each other. Arya, the CEO of ShareChat, wants to throw a party. She is still not sure which employees to invite, but her assistant has given her $Q$ suggestions. Each suggestion consists of $K$ intervals $[L_1, R_1], [L_2, R_2], \ldots, [L_K, R_K]$; this means t

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solution.cppC++17

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