https://leetcode.com/problems/max-increase-to-keep-city-skyline/
https://leetcode.com/problems/surface-area-of-3d-shapes/
https://leetcode.com/problems/check-if-all-1s-are-at-least-length-k-places-away/
https://leetcode.com/problems/binary-number-with-alternating-bits/
https://leetcode.com/problems/reverse-only-letters/
https://leetcode.com/problems/defuse-the-bomb/
https://leetcode.com/problems/add-digits/
https://leetcode.com/problems/longer-contiguous-segments-of-ones-than-zeros/
https://leetcode.com/problems/minimum-changes-to-make-alternating-binary-string/
https://leetcode.com/problems/contains-duplicate/
https://leetcode.com/problems/find-the-difference/
https://leetcode.com/problems/excel-sheet-column-number/
https://leetcode.com/problems/rank-transform-of-an-array/
https://leetcode.com/problems/add-digits/
https://leetcode.com/problems/find-the-difference/
https://leetcode.com/problems/excel-sheet-column-number/
https://leetcode.com/problems/monotonic-array/
https://leetcode.com/problems/two-sum-iv-input-is-a-bst/
https://leetcode.com/problems/maximum-population-year/
https://leetcode.com/problems/buddy-strings/
https://leetcode.com/problems/can-place-flowers/
https://leetcode.com/problems/valid-mountain-array/
https://leetcode.com/problems/excel-sheet-column-title/
https://leetcode.com/problems/x-of-a-kind-in-a-deck-of-cards/
https://leetcode.com/problems/length-of-last-word/
https://leetcode.com/problems/number-of-different-integers-in-a-string/
https://leetcode.com/problems/check-if-n-and-its-double-exist/
https://leetcode.com/problems/long-pressed-name/