Countries And Friends

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Alan wants to flee from the country. He has $N$ friends going out of the country to different places. Each friend is willing to go to any country as long as it’s in their favourite list. Each friend has $K$ countries in their favourite list. You are given $Q$ queries. In each query, you’ll be given a distance and Alan wants to get away from the country by more than or equal to that dista

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solution.cppC++17

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