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AE

American Express

27 problems · 12 with a MIK video · 3 asked in the last 6 months

D · DSA 12

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27 problems, most frequent first

DoneLC #ProblemLevelHow often askedMIK video

1647Minimum Deletions to Make Character Frequencies UniqueGreedyMedium100▶ Watch

3013Divide an Array Into Subarrays With Minimum Cost IISliding WindowHard100▶ Watch

1201Ugly Number III ↗Medium100Not covered yet

1224Maximum Equal Frequency ↗Hard100Not covered yet

1Two SumArraysEasy97▶ Watch

1521Find a Value of a Mysterious Function Closest to Target ↗Hard97Not covered yet

3010Divide an Array Into Subarrays With Minimum Cost IArraysEasy97▶ Watch

2278Percentage of Letter in String ↗Easy97Not covered yet

2317Maximum XOR After Operations ↗Medium97Not covered yet

2202Maximize the Topmost Element After K Moves ↗Medium97Not covered yet

1775Equal Sum Arrays With Minimum Number of Operations ↗Medium97Not covered yet

4016Maximum Area of Two Non-Overlapping Square Submatrices ↗Asked in the last 6 monthsMedium89Not covered yet

242Valid AnagramStringsEasy84▶ Watch

121Best Time to Buy and Sell Stock ↗Easy84Not covered yet

3Longest Substring Without Repeating Characters ↗Medium79Not covered yet

1304Find N Unique Integers Sum up to ZeroArraysEasy71▶ Watch

2850Minimum Moves to Spread Stones Over Grid ↗Asked in the last 6 monthsMedium71Not covered yet

153SumArraysMedium60▶ Watch

46Permutations ↗Medium60Not covered yet

142Linked List Cycle IILinked ListMedium60▶ Watch

239Sliding Window MaximumSliding WindowHard60▶ Watch

205Isomorphic StringsHashingEasy60▶ Watch

1250Check If It Is a Good Array ↗Hard60Not covered yet

189Rotate ArrayArraysMedium60▶ Watch

14Longest Common Prefix ↗Easy60Not covered yet

23Merge k Sorted ListsHeap / Priority QueueHard60▶ Watch

56Merge Intervals ↗Asked in the last 6 monthsMedium60Not covered yet

Source: community data (liquidslr/leetcode-company-wise-problems), updated Aug 16, 2026. Company tags are crowd-reported and may be incomplete.