https://leetcode.com/problems/binary-search/description/?envType=study-plan-v2&envId=binary-search
https://leetcode.com/problems/search-insert-position/?envType=study-plan-v2&envId=binary-search
35. Search Insert Position
https://leetcode.com/problems/find-smallest-letter-greater-than-target/description/?envType=study-plan-v2&envId=binary-search
744. Find Smallest Letter Greater Than Target
https://leetcode.com/problems/count-negative-numbers-in-a-sorted-matrix/description/?envType=study-plan-v2&envId=binary-search
1351. Count Negative Numbers in a Sorted Matrix