American Express LeetCode interview questions

Explore American Express questions from the all problems list. Search by title or topic, filter by difficulty, and track solved problems on this device.

Time range

Problems in range

Solved

0 / 28

Range progress

Problem list

Select a problem to open it on LeetCode.

Problem	Difficulty	Frequency	Acceptance
Maximum Area of Two Non-Overlapping Square Submatrices Array Binary Search Dynamic Programming +1 MEDIUM	Medium	100.0%	0.4%
Minimum Deletions to Make Character Frequencies Unique Hash Table String Greedy +1 MEDIUM	Medium	90.5%	0.6%
Divide an Array Into Subarrays With Minimum Cost II Array Hash Table Sliding Window +1 HARD	Hard	88.0%	0.5%
Ugly Number III Math Binary Search Combinatorics +5 MEDIUM	Medium	88.0%	0.3%
Maximum Equal Frequency Array Hash Table HARD	Hard	88.0%	0.4%
Two Sum Array Hash Table EASY	Easy	85.2%	0.6%
Find a Value of a Mysterious Function Closest to Target Array Binary Search Bit Manipulation +2 HARD	Hard	85.2%	0.5%
Divide an Array Into Subarrays With Minimum Cost I Array Sorting Enumeration EASY	Easy	85.2%	0.8%
Percentage of Letter in String String EASY	Easy	85.2%	0.8%
Maximize the Topmost Element After K Moves Array Greedy MEDIUM	Medium	85.2%	0.2%
Maximum XOR After Operations Array Math Bit Manipulation MEDIUM	Medium	85.2%	0.8%
Equal Sum Arrays With Minimum Number of Operations Array Hash Table Greedy +1 MEDIUM	Medium	85.2%	0.5%
Valid Anagram Hash Table String Sorting EASY	Easy	78.5%	0.7%
Best Time to Buy and Sell Stock Array Dynamic Programming EASY	Easy	74.2%	0.6%
Longest Substring Without Repeating Characters Hash Table String Sliding Window MEDIUM	Medium	69.0%	0.4%
Minimum Moves to Spread Stones Over Grid Array Dynamic Programming Backtracking +3 MEDIUM	Medium	69.0%	0.5%
Longest Common Prefix Array String Trie EASY	Easy	62.2%	0.5%
Find N Unique Integers Sum up to Zero Array Math EASY	Easy	62.2%	0.8%
Rotate Array Array Math Two Pointers MEDIUM	Medium	52.8%	0.5%
Permutations Array Backtracking MEDIUM	Medium	52.8%	0.8%

Showing 1–20 of 28 matching problems · All Problems

American Express LeetCode Interview Questions | Grind Practice