Chef Beautiful Array

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Chef has given you N numbers in an array A and asks you if the array is beautiful or not. An array is said to be beautiful if there exists at least one pair (i, j) such that i Input First Line contains T, the number of test cases. Next T test cases follow. For each test case, you are given N, the count of numbers in the array in a separate line. In the next line you are given N space separate

HINT LADDERno hints yet

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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