Skip to main content

American Express LeetCode Questions

IDURLTitleDifficultyAcceptance %Frequency %
1https://leetcode.com/problems/two-sumTwo SumEasy57.1%87.5%
15https://leetcode.com/problems/3sum3SumMedium38.6%62.5%
42https://leetcode.com/problems/trapping-rain-waterTrapping Rain WaterHard66.8%50.0%
1521https://leetcode.com/problems/find-a-value-of-a-mysterious-function-closest-to-targetFind a Value of a Mysterious Function Closest to TargetHard47.0%100.0%
125https://leetcode.com/problems/valid-palindromeValid PalindromeEasy52.8%62.5%
3013https://leetcode.com/problems/divide-an-array-into-subarrays-with-minimum-cost-iiDivide an Array Into Subarrays With Minimum Cost IIHard54.8%100.0%
3010https://leetcode.com/problems/divide-an-array-into-subarrays-with-minimum-cost-iDivide an Array Into Subarrays With Minimum Cost IEasy80.5%100.0%
1647https://leetcode.com/problems/minimum-deletions-to-make-character-frequencies-uniqueMinimum Deletions to Make Character Frequencies UniqueMedium61.4%100.0%
1201https://leetcode.com/problems/ugly-number-iiiUgly Number IIIMedium31.2%100.0%
2278https://leetcode.com/problems/percentage-of-letter-in-stringPercentage of Letter in StringEasy75.0%100.0%
1224https://leetcode.com/problems/maximum-equal-frequencyMaximum Equal FrequencyHard37.9%100.0%
2202https://leetcode.com/problems/maximize-the-topmost-element-after-k-movesMaximize the Topmost Element After K MovesMedium24.0%100.0%
2317https://leetcode.com/problems/maximum-xor-after-operationsMaximum XOR After OperationsMedium79.9%100.0%
1775https://leetcode.com/problems/equal-sum-arrays-with-minimum-number-of-operationsEqual Sum Arrays With Minimum Number of OperationsMedium54.6%100.0%
2997https://leetcode.com/problems/minimum-number-of-operations-to-make-array-xor-equal-to-kMinimum Number of Operations to Make Array XOR Equal to KMedium85.5%100.0%
242https://leetcode.com/problems/valid-anagramValid AnagramEasy67.8%62.5%
3https://leetcode.com/problems/longest-substring-without-repeating-charactersLongest Substring Without Repeating CharactersMedium38.5%62.5%
189https://leetcode.com/problems/rotate-arrayRotate ArrayMedium44.4%50.0%
46https://leetcode.com/problems/permutationsPermutationsMedium81.6%50.0%
121https://leetcode.com/problems/best-time-to-buy-and-sell-stockBest Time to Buy and Sell StockEasy56.4%62.5%
205https://leetcode.com/problems/isomorphic-stringsIsomorphic StringsEasy48.0%50.0%
14https://leetcode.com/problems/longest-common-prefixLongest Common PrefixEasy47.1%62.5%
142https://leetcode.com/problems/linked-list-cycle-iiLinked List Cycle IIMedium57.2%50.0%
1304https://leetcode.com/problems/find-n-unique-integers-sum-up-to-zeroFind N Unique Integers Sum up to ZeroEasy78.5%62.5%