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Harsh Kumar

Lv.8 Top 9%

@harsh.k · joined Apr 2026

Final year CSE. Preparing for product-based companies, one problem a day.

DTU Delhi Ahmedabad 13 Following 31 Followers

Level 8 700 / 1000 XP · 300 to Level 9

52/115

Problems solved

66%

Acceptance · 194 subs

#20

Global rank · top 9%

7700

Total XP

0d

Current streak

2185

MateCoins

194 submissions in the past year

Active days 86 Max streak 10d

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Solved problems

52 of 115

Easy 34/38

Medium 18/59

Hard 0/18

Languages

Python 49 solved

C++ 6 solved

Java 3 solved

JavaScript 1 solved

Skills

Array ×28 String ×14 Hash Table ×13 Math ×10 Dynamic Programming ×8 Bit Manipulation ×7 Backtracking ×4 Binary Search ×4 Divide and Conquer ×3 Matrix ×3 Prefix Sum ×3 Sorting ×3

Badges

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🧭 Path Finder

⚔️ First Duel

✨ Spark

🌐 Polyglot

🏏 Half Century

🔨 Problem Crusher

🌡️ Getting Warm

🩸 First Blood

Solve more →

Longest Common Prefix Python

Max Consecutive Ones Python

1 week, 1 day ago

Palindrome Number Python

1 week, 2 days ago

Days Until Warmer Python

1 week, 5 days ago

Permutations Python

1 week, 5 days ago

Best Time to Buy and Sell Stock Python

1 week, 5 days ago

Number of 1 Bits Python

2 weeks, 4 days ago

Plus One

Wrong Answer · Python · 1.37s

3 days, 5 hours ago

Longest Common Prefix

Accepted · Python · 0.45s

Longest Common Prefix

Wrong Answer · Python · 1.36s

Single Number

Wrong Answer · Python · 1.30s

Single Number

Wrong Answer · Python · 0.26s

Two Sum

Accepted · Python · 0.30s

Max Consecutive Ones

Accepted · Python · 0.25s

1 week, 1 day ago

Palindrome Number

Accepted · Python · 0.41s

1 week, 2 days ago

Palindrome Number

Time Limit Exceeded · Python · 1.57s

1 week, 2 days ago

Days Until Warmer

Wrong Answer · Python · 0.23s

1 week, 2 days ago

Learning paths

Explore →

Graphs: BFS, DFS & Shortest Paths 100%

Companies practiced

Explore →

F Flipkart 17 solved C CRED 13 solved A Amazon 12 solved M Microsoft 9 solved I Infosys 8 solved U Uber 8 solved A Atlassian 7 solved W Walmart 7 solved

Certifications

Stack Specialist

Earned Oct 4, 2026 · Verify ↗

Competitive Programming Expert

Earned Oct 2, 2026 · Verify ↗

Data Structures & Algorithms Specialist

Earned Oct 2, 2026 · Verify ↗

Dynamic Programming Expert

Earned Sep 19, 2026 · Verify ↗

Graph Algorithms Expert

Earned Sep 16, 2026 · Verify ↗

Competitive Programming Champion

Earned Aug 24, 2026 · Verify ↗

Contest history

All contests →

CompileMate Weekly Contest 10

Oct 11, 2026

#6

1000 pts

CompileMate Weekly Contest 8

Sep 27, 2026

#44

300 pts

CompileMate Weekly Contest 7

Sep 20, 2026

#29

300 pts

CompileMate Weekly Contest 6

Sep 13, 2026

#3

1000 pts

CompileMate Weekly Contest 4

Aug 30, 2026

#16

600 pts

CompileMate Weekly Contest 3

Aug 23, 2026

#9

800 pts