Sorting a Stack using push,pop,isEmpty and peek |
Medium
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Implement 3 stacks in 1 array |
Medium
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Implement insertion sort on stack |
Medium
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Order-agnostic Binary Search on Sorted Array |
Medium
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Unique BSTs 3 - Count given node keys between m and n |
Medium
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Count frequency of target element in sorted array |
Medium
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Determine if a string has all unique characters |
Medium
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Find floor of target element in a sorted array |
Medium
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Find the nearest numbers that have same number of 1s for an integer |
Medium
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Implement selection sort on stack |
Medium
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List Combinations - Generate unique combinations from list selecting 1 element from each |
Medium
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Longest Substring with K Distinct Characters |
Medium
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google
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Replace all spaces in c-style string with '%20' |
Medium
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Set all bits of a number in a range equal to another number |
Medium
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Swap odd and even bits in an integer |
Medium
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cisco
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Find Common Elements in Two Sorted Linked Lists |
Medium
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Find last modular node in linked list for given k |
Medium
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Check if the length of a linked list is even or odd |
Medium
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Reconstruct Jumbled Sequence |
Medium
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pinterest
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Wiggle Sort Linked List |
Medium
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fitbit
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