05-Required Permutation

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The set [1, 2, 3, ..., n] contains a total of n! unique permutations. By listing and labeling all of the permutations in order, we get the following sequence for n = 3: 1. "123" 2. "132" 3. "213" 4. "231" 5. "312" 6. "321" Given n and k, return the kth permutation sequence. ### Input - First line contain number of test cases t. - Next t lines contains 2 integers n and k. ### Output For each t

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solution.cppC++17

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