Treat From Himanshu

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Himanshu has prepared a tasty feast for you all. But, before enjoying the feast you need to answer one of his query. Query is simple and it won't take you long enjoying the feast once you decode stuff. Himanshu will give you two integers L and R. You need to find sum of numbers from L to R inclusive in minimum time possible. Find it and get your feast! Input First line will contain T, number of

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L1 Observation

L2 Technique

L3 Approach

L4 Pseudo-code

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L5 Full solution

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solution.cppC++17

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