Two Ranges

CodeChefRating 918Open on judge ↗

Chef has two ranges $[A, B]$ and $[C, D]$. Chef needs to find the number of integers that belong to **at least** one of the ranges. Note: A range $[P, Q]$ contains **all** the integers $\{P, P+1, P+2, \dots, Q-1, Q\}$. ### Input - The first line of input will contain a single integer $T$, denoting the number of test cases. - Each test case consists of a single line containing $4$ integers $A, B,

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solution.cppC++17

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