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BS on 1D array

34. Find First and Last Position of Element in Sorted Arraychevron-right162. Find Peak Elementchevron-right33. Search in Rotated Sorted Arraychevron-right81. Search in Rotated Sorted Array IIchevron-right540. Single Element in a Sorted Arraychevron-right287. Find the Duplicate Numberchevron-right1095. Find in Mountain Arraychevron-right2972. Count the Number of Incremovable Subarrays IIchevron-right
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