Problem database last updated: June 20, 2025
6 problems · 2 Easy, 3 Medium, 1 Hard · Ranked #216 of 458
2 Easy
33% · avg 23%
3 Medium
50% · avg 59%
1 Hard
17% · avg 18%
Based on 6 reported problems, GE Healthcare interviews are in line with industry averages - 17% Hard vs 18% overall.
Compared to the industry average, GE Healthcare puts unusual emphasis on monotonic-stack (33.3% of problems, 11.5x the industry average), stack (50% of problems, 5.8x the industry average), depth-first-search (33.3% of problems, 3.7x the industry average). If you're short on time, these are the categories to double down on.
The most common topics are array (66.7%), stack (50%), string (33.3%), depth-first-search (33.3%). Problems below are sorted by frequency, the ones at the top are asked most often.
| Problem | Difficulty | Frequency | Topics | |
|---|---|---|---|---|
Concatenation of Array Given an integer array nums of length n, you want to create an array ans of length 2n where ans[i] == nums[i] and ans[i + n] == nums[i] for 0 <= i < n (0-indexe... | Easy | Very Likely | arraysimulation | Solve |
Evaluate Division You are given an array of variable pairs equations and an array of real numbers values, where equations[i] = [Ai, Bi] and values[i] represent the equation Ai /... | Medium | Very Likely | arraystringdepth-first-search | Solve |
Valid Parentheses Given a string s containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid. | Easy | Very Likely | stringstack | Solve |
Lowest Common Ancestor of a Binary Tree Given a binary tree, find the lowest common ancestor (LCA) of two given nodes in the tree. | Medium | Likely | treedepth-first-searchbinary-tree | Solve |
Car Fleet There are n cars at given miles away from the starting mile 0, traveling to reach the mile target. | Medium | Likely | arraystacksorting | Solve |
Number of Visible People in a Queue There are n people standing in a queue, and they numbered from 0 to n - 1 in left to right order. You are given an array heights of distinct integers where heig... | Hard | Likely | arraystackmonotonic-stack | Solve |
Concatenation of Array
SolveGiven an integer array nums of length n, you want to create an array ans of length 2n where ans[i] == nums[i] and ans[i + n] == nums[i] for 0 <= i < n (0-indexe...
Evaluate Division
SolveYou are given an array of variable pairs equations and an array of real numbers values, where equations[i] = [Ai, Bi] and values[i] represent the equation Ai /...
Valid Parentheses
SolveGiven a string s containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.
Lowest Common Ancestor of a Binary Tree
SolveGiven a binary tree, find the lowest common ancestor (LCA) of two given nodes in the tree.
Car Fleet
SolveThere are n cars at given miles away from the starting mile 0, traveling to reach the mile target.
Number of Visible People in a Queue
SolveThere are n people standing in a queue, and they numbered from 0 to n - 1 in left to right order. You are given an array heights of distinct integers where heig...
Frequency scores are based on crowdsourced interview reports. A higher score means the problem has been reported more often in recent GE Healthcare interviews.
Very Likely
75-100%
Likely
50-74%
Sometimes
25-49%
Rare
0-24%
GE Healthcare interviews focus heavily on array, stack, string 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. GE Healthcare 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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GE Healthcare has been reported to ask 6 distinct coding problems. The most common topics are array, stack, string. 2 are Easy difficulty, 3 are Medium, and 1 are Hard. Problems are sorted by frequency - the ones at the top are asked most often.
Based on 6 reported problems, GE Healthcare interviews are in line with industry averages - 17% Hard vs 18% overall. 50% 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: array, stack, string. 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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