How often are these problems asked?
Frequency scores are based on crowdsourced interview reports. A higher score means the problem has been reported more often in recent jio interviews.
Very Likely
75-100%
Likely
50-74%
Sometimes
25-49%
Rare
0-24%
Problem database last updated: June 20, 2025
J
jio Coding Interview Questions
7 problems · 1 Easy, 2 Medium, 4 Hard · Ranked #183 of 458
Difficulty breakdown
1 Easy
14% · avg 23%
2 Medium
29% · avg 59%
4 Hard
57% · avg 18%
Top topics
array
71.4%
depth-first-search
42.9%4.7x
breadth-first-search
42.9%5.2x
matrix
28.6%3.2x
tree
28.6%5.1x
hash-table
14.3%
Interview profile
Based on 7 reported problems, jio interviews are significantly harder than average - 57% Hard vs 18% across all companies.
Compared to the industry average, jio puts unusual emphasis on breadth-first-search (42.9% of problems, 5.2x the industry average), tree (28.6% of problems, 5.1x the industry average), depth-first-search (42.9% of problems, 4.7x the industry average). If you're short on time, these are the categories to double down on.
The most common topics are array (71.4%), depth-first-search (42.9%), breadth-first-search (42.9%), matrix (28.6%). Problems below are sorted by frequency, the ones at the top are asked most often.
All 7 problems
| Problem | Difficulty | Frequency | Topics | |
|---|---|---|---|---|
Divide an Array Into Subarrays With Minimum Cost II You are given a 0-indexed array of integers nums of length n, and two positive integers k and dist. | Hard | Very Likely | arrayhash-tablesliding-window | Solve |
Find the Grid of Region Average You are given m x n grid image which represents a grayscale image, where image[i][j] represents a pixel with intensity in the range [0..255]. You are also given... | Medium | Very Likely | arraymatrix | Solve |
Maximize The Number Of Target Nodes After Connecting Trees I There exist two undirected trees with n and m nodes, labeled [0, n-1] and [0, m-1] respectively. Node u is target to node v if the number of edges on the path f... | Medium | Very Likely | treedepth-first-searchbreadth-first-search | Solve |
Maximize The Number Of Target Nodes After Connecting Trees II There exist two undirected trees with n and m nodes, labeled from [0, n-1] and [0, m-1], respectively. Node u is target to node v if the number of edges on the... | Hard | Very Likely | treedepth-first-searchbreadth-first-search | Solve |
Trapping Rain Water Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it can trap after raining. | Hard | Likely | arraytwo-pointersdynamic-programming | Solve |
Making A Large Island You are given an n x n binary matrix grid. You are allowed to change at most one 0 to be 1. | Hard | Likely | arraydepth-first-searchbreadth-first-search | Solve |
Two Sum Given an array of integers nums and an integer target, return the indices of the two numbers that add up to target. | Easy | Likely | arrayhash-map | Solve |
Divide an Array Into Subarrays With Minimum Cost II
SolveYou are given a 0-indexed array of integers nums of length n, and two positive integers k and dist.
HardVery Likely
arrayhash-tablesliding-window
Find the Grid of Region Average
SolveYou are given m x n grid image which represents a grayscale image, where image[i][j] represents a pixel with intensity in the range [0..255]. You are also given...
MediumVery Likely
arraymatrix
Maximize The Number Of Target Nodes After Connecting Trees I
SolveThere exist two undirected trees with n and m nodes, labeled [0, n-1] and [0, m-1] respectively. Node u is target to node v if the number of edges on the path f...
MediumVery Likely
treedepth-first-searchbreadth-first-search
Maximize The Number Of Target Nodes After Connecting Trees II
SolveThere exist two undirected trees with n and m nodes, labeled from [0, n-1] and [0, m-1], respectively. Node u is target to node v if the number of edges on the...
HardVery Likely
treedepth-first-searchbreadth-first-search
Trapping Rain Water
SolveGiven n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it can trap after raining.
HardLikely
arraytwo-pointersdynamic-programming
Making A Large Island
SolveYou are given an n x n binary matrix grid. You are allowed to change at most one 0 to be 1.
HardLikely
arraydepth-first-searchbreadth-first-search
Two Sum
SolveGiven an array of integers nums and an integer target, return the indices of the two numbers that add up to target.
EasyLikely
arrayhash-map
Preparing for your jio coding interview
jio interviews focus heavily on array, depth-first-search, breadth-first-search 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. jio 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.
Frequently Asked Questions
What coding problems does jio ask in interviews?add
jio has been reported to ask 7 distinct coding problems. The most common topics are array, depth-first-search, breadth-first-search. 1 are Easy difficulty, 2 are Medium, and 4 are Hard. Problems are sorted by frequency - the ones at the top are asked most often.
How hard are jio coding interviews?add
Based on 7 reported problems, jio interviews are significantly harder than average - 57% Hard vs 18% across all companies. 29% of questions are Medium difficulty. Focus on the high-frequency Medium problems first, then work through the Hard ones.
How should I prepare for a jio coding interview?add
Start with the highest-frequency problems listed on this page. Focus on the core topics: array, depth-first-search, breadth-first-search. 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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