Problem database last updated: June 20, 2025
3 problems · 3 Easy, 0 Medium, 0 Hard · Ranked #327 of 458
3 Easy
100% · avg 23%
0 Medium
0% · avg 59%
0 Hard
0% · avg 18%
Based on 3 reported problems, Bank of America interviews are easier than average - only 0% Hard compared to 18% across all companies.
Compared to the industry average, Bank of America puts unusual emphasis on string (66.7% of problems, 2.4x the industry average). If you're short on time, these are the categories to double down on.
The most common topics are string (66.7%), array (33.3%), dynamic-programming (33.3%), stack (33.3%). Problems below are sorted by frequency, the ones at the top are asked most often.
| Problem | Difficulty | Frequency | Topics | |
|---|---|---|---|---|
Best Time to Buy and Sell Stock You are given an array prices where prices[i] is the price of a given stock on the ith day. | Easy | Very Likely | arraydynamic-programming | Solve |
Valid Parentheses Given a string s containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid. | Easy | Very Likely | stringstack | Solve |
Valid Palindrome A phrase is a palindrome if, after converting all uppercase letters into lowercase letters and removing all non-alphanumeric characters, it reads the same forwa... | Easy | Very Likely | two-pointersstring | Solve |
Best Time to Buy and Sell Stock
SolveYou are given an array prices where prices[i] is the price of a given stock on the ith day.
Valid Parentheses
SolveGiven a string s containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.
Valid Palindrome
SolveA phrase is a palindrome if, after converting all uppercase letters into lowercase letters and removing all non-alphanumeric characters, it reads the same forwa...
Frequency scores are based on crowdsourced interview reports. A higher score means the problem has been reported more often in recent Bank of America interviews.
Very Likely
75-100%
Likely
50-74%
Sometimes
25-49%
Rare
0-24%
Bank of America interviews focus heavily on string, array, dynamic-programming problems. If you're short on time, these are the categories to prioritize. The problems on this page are sorted by frequency, so start from the top and work your way down.
Beyond solving problems, practice explaining your approach. Bank of America interviewers care about your thought process - how you break down a problem, consider edge cases, and evaluate tradeoffs between solutions. A clean O(n) solution you can explain clearly beats an O(log n) solution you can't articulate.
Looking for more companies? Browse all 458 companies in our directory, or sharpen your fundamentals with our free data structure visualizers and AI-powered DSA tutor.
Bank of America has been reported to ask 3 distinct coding problems. The most common topics are string, array, dynamic-programming. 3 are Easy difficulty, 0 are Medium, and 0 are Hard. Problems are sorted by frequency - the ones at the top are asked most often.
Based on 3 reported problems, Bank of America interviews are easier than average - only 0% Hard compared to 18% across all companies. 0% of questions are Medium difficulty. Focus on the high-frequency Medium problems first, then work through the Hard ones.
Start with the highest-frequency problems listed on this page. Focus on the core topics: string, array, dynamic-programming. Practice solving them under time pressure and explaining your approach out loud. Mock interviews with AI can simulate the real experience.
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