Problem database last updated: June 20, 2025
6 problems · 2 Easy, 1 Medium, 3 Hard · Ranked #207 of 458
2 Easy
33% · avg 23%
1 Medium
17% · avg 59%
3 Hard
50% · avg 18%
Based on 6 reported problems, Jump Trading interviews are significantly harder than average - 50% Hard vs 18% across all companies.
Compared to the industry average, Jump Trading puts unusual emphasis on math (50% of problems, 4x the industry average), hash-table (33.3% of problems, 1.5x the industry average). If you're short on time, these are the categories to double down on.
The most common topics are math (50%), array (50%), hash-table (33.3%), two-pointers (16.7%). Problems below are sorted by frequency, the ones at the top are asked most often.
| Problem | Difficulty | Frequency | Topics | |
|---|---|---|---|---|
Happy Number Write an algorithm to determine if a number n is happy. | Easy | Very Likely | hash-tablemathtwo-pointers | Solve |
Permutation Sequence The set [1, 2, 3, ..., n] contains a total of n! unique permutations. | Hard | Very Likely | mathrecursion | Solve |
Best Time to Buy and Sell Stock IV You are given an integer array prices where prices[i] is the price of a given stock on the ith day, and an integer k. | Hard | Very Likely | arraydynamic-programming | Solve |
Subtree of Another Tree Given the roots of two binary trees root and subRoot, return true if there is a subtree of root with the same structure and node values of subRoot and false oth... | Easy | Very Likely | treedepth-first-searchstring-matching | Solve |
Check If It Is a Good Array Given an array nums of positive integers. Your task is to select some subset of nums, multiply each element by an integer and add all these numbers. The array i... | Hard | Very Likely | arraymathnumber-theory | Solve |
Largest Combination With Bitwise AND Greater Than Zero The bitwise AND of an array nums is the bitwise AND of all integers in nums. | Medium | Very Likely | arrayhash-tablebit-manipulation | Solve |
Happy Number
SolveWrite an algorithm to determine if a number n is happy.
Permutation Sequence
SolveThe set [1, 2, 3, ..., n] contains a total of n! unique permutations.
Best Time to Buy and Sell Stock IV
SolveYou are given an integer array prices where prices[i] is the price of a given stock on the ith day, and an integer k.
Subtree of Another Tree
SolveGiven the roots of two binary trees root and subRoot, return true if there is a subtree of root with the same structure and node values of subRoot and false oth...
Check If It Is a Good Array
SolveGiven an array nums of positive integers. Your task is to select some subset of nums, multiply each element by an integer and add all these numbers. The array i...
Largest Combination With Bitwise AND Greater Than Zero
SolveThe bitwise AND of an array nums is the bitwise AND of all integers in nums.
Frequency scores are based on crowdsourced interview reports. A higher score means the problem has been reported more often in recent Jump Trading interviews.
Very Likely
75-100%
Likely
50-74%
Sometimes
25-49%
Rare
0-24%
Jump Trading interviews focus heavily on math, array, hash-table 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. Jump Trading 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.
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Jump Trading has been reported to ask 6 distinct coding problems. The most common topics are math, array, hash-table. 2 are Easy difficulty, 1 are Medium, and 3 are Hard. Problems are sorted by frequency - the ones at the top are asked most often.
Based on 6 reported problems, Jump Trading interviews are significantly harder than average - 50% Hard vs 18% across all companies. 17% 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: math, array, hash-table. Practice solving them under time pressure and explaining your approach out loud. Mock interviews with AI can simulate the real experience.
Simulate a real Jump Trading coding interview with an AI interviewer. Get a scorecard with specific feedback on your problem-solving, code quality, and communication.
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