Duo Strength

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Naresh is preparing for NPL(National Programming League) by solving more and more problems. Prasad decided to test him. Prasad has got deck of N cards, and each of these cards has a its strength written on it. Prasad asks Naresh Q queries and each query consists of two integers L and R. Naresh has to consider all the cards (L)th, (L+1)th,...........(R-1)th, (R)th and find the "Duo Strength" of the

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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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