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Harsh Das

Lv.14 Top 4%

@hdas · joined Apr 2026

Pythonista. Writing editorials and helping folks debug.

GITAM Coimbatore 7 Following 32 Followers

Level 14 250 / 1000 XP · 750 to Level 15

87/115

Problems solved

63%

Acceptance · 349 subs

#8

Global rank · top 4%

13250

Total XP

0d

Current streak

4480

MateCoins

349 submissions in the past year

Active days 152 Max streak 47d

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Solved problems

87 of 115

Easy 38/38

Medium 47/59

Hard 2/18

Languages

C++ 86 solved

Python 16 solved

Java 6 solved

JavaScript 1 solved

Skills

Array ×45 String ×23 Dynamic Programming ×20 Hash Table ×19 Math ×14 Two Pointers ×13 Binary Search ×10 Sorting ×8 Bit Manipulation ×7 Divide and Conquer ×5 Matrix ×5 Prefix Sum ×5

Badges

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🩸 First Blood

Solve more →

Spiral Matrix C++

2 days, 5 hours ago

Roman to Integer C++

2 days, 7 hours ago

Course Schedule C++

3 days, 5 hours ago

Kth Largest Element in an Array JavaScript

4 days, 7 hours ago

Perfect Squares C++

5 days, 11 hours ago

Maximum Subarray Java

5 days, 23 hours ago

Happy Number C++

6 days, 23 hours ago

Merge K Sorted Lists C++

1 week, 1 day ago

Spiral Matrix

Accepted · C++ · 0.17s

2 days, 5 hours ago

Roman to Integer

Accepted · C++ · 0.13s

2 days, 7 hours ago

Roman to Integer

Runtime Error · C++ · 1.62s

2 days, 7 hours ago

Missing Number

Wrong Answer · Python · 0.49s

2 days, 22 hours ago

Course Schedule

Accepted · C++ · 0.18s

3 days, 5 hours ago

Valid Parentheses

Time Limit Exceeded · C++ · 0.77s

3 days, 13 hours ago

Kth Largest Element in an Array

Accepted · JavaScript · 0.53s

4 days, 7 hours ago

Kth Largest Element in an Array

Wrong Answer · JavaScript · 0.04s

4 days, 7 hours ago

Best Time to Buy and Sell Stock II

Compilation Error · C++

FizzBuzz

Wrong Answer · C++ · 1.36s

5 days, 2 hours ago

Learning paths

Explore →

DSA Fundamentals 100%

Arrays & Hashing Essentials 100%

Stacks & Monotonic Stacks 100%

Companies practiced

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C CRED 20 solved A Amazon 20 solved F Flipkart 20 solved W Walmart 18 solved M Meta 17 solved U Uber 16 solved Z Zomato 15 solved A Atlassian 15 solved

Certifications

Dynamic Programming Expert

Earned Sep 20, 2026 · Verify ↗

Data Structures & Algorithms Specialist

Earned Sep 13, 2026 · Verify ↗

Competitive Programming Expert

Earned Aug 9, 2026 · Verify ↗

Arrays & Hashing Foundations

Earned Jul 28, 2026 · Verify ↗

Competitive Programming Champion

Earned Jun 20, 2026 · Verify ↗

DSA Intermediate Certificate

Earned May 19, 2026 · Verify ↗

Contest history

All contests →

CompileMate Monthly Challenge: November 2026

Nov 1, 2026

–

0 pts

CompileMate Weekly Contest 11

Oct 18, 2026

#25

0 pts

CompileMate Weekly Contest 7

Sep 20, 2026

#1

1000 pts

CompileMate Monthly Challenge: September 2026

Sep 12, 2026

#6

1000 pts

CompileMate Weekly Contest 5

Sep 6, 2026

#4

1000 pts

CompileMate Monthly Challenge: August 2026

Aug 15, 2026

#6

1000 pts