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Sai Nair

Lv.2

@snair · joined Sep 2026

Learning DSA in public. Ask me about sliding windows.

PSG Tech Delhi 10 Following 5 Followers
Level 2 350 / 1000 XP · 650 to Level 3

12/115
Problems solved
82%
Acceptance · 17 subs
#118
Global rank · top 50%
1350
Total XP
0d
Current streak
530
MateCoins

17 submissions in the past year

Active days 9 Max streak 4d

Solved problems

12 of 115
Easy 12/38
Medium 0/59
Hard 0/18

Languages

JavaScript 10 solved
Python 3 solved
C++ 1 solved

Skills

Array ×6 String ×5 Math ×3 Bit Manipulation ×2 Hash Table ×2 Sorting ×2 Binary Search ×1 Dynamic Programming ×1 Prefix Sum ×1 Simulation ×1 Stack ×1 Two Pointers ×1

Badges

All badges →
⚔️ First Duel
🌐 Polyglot
🌡️ Getting Warm
🩸 First Blood
Solve more →
Binary Search
4 days, 1 hour ago
Best Time to Buy and Sell Stock
1 week, 5 days ago
Single Number
1 week, 5 days ago
FizzBuzz
1 week, 6 days ago
Find the Balance Index
1 week, 6 days ago
Reverse String
4 weeks ago
Power of Two
4 weeks ago
Valid Parentheses
1 month ago

Binary Search

Accepted · JavaScript · 0.54s

4 days, 1 hour ago

Best Time to Buy and Sell Stock

Accepted · JavaScript · 0.45s

1 week, 5 days ago

Single Number

Accepted · JavaScript · 0.50s

1 week, 5 days ago

FizzBuzz

Accepted · JavaScript · 0.51s

1 week, 6 days ago

FizzBuzz

Wrong Answer · JavaScript · 1.05s

1 week, 6 days ago

Find the Balance Index

Accepted · JavaScript · 0.25s

1 week, 6 days ago

Reverse String

Accepted · JavaScript · 0.31s

4 weeks ago

Reverse String

Wrong Answer · JavaScript · 0.75s

4 weeks ago

Power of Two

Accepted · JavaScript · 0.11s

4 weeks ago

Valid Parentheses

Wrong Answer · JavaScript · 1.40s

1 month ago

Companies practiced

Explore →
F Flipkart 5 solved A Amazon 4 solved M Microsoft 3 solved A Atlassian 3 solved C CRED 3 solved M Meta 2 solved A Adobe 2 solved S Swiggy 2 solved

Certifications

🎓

Sliding Window Practitioner

Earned Oct 16, 2026 · Verify ↗

 🎓

Data Structures & Algorithms Specialist

Earned Oct 6, 2026 · Verify ↗

 🎓

Graph Navigator

Earned Sep 30, 2026 · Verify ↗

 🎓

DSA Fundamentals Certificate

Earned Sep 27, 2026 · Verify ↗

 🎓

Graph Algorithms Expert

Earned Sep 21, 2026 · Verify ↗

 🎓

Competitive Programming Expert

Earned Sep 19, 2026 · Verify ↗

Contest history

All contests →

CompileMate Weekly Contest 11

Oct 18, 2026

#46

0 pts

CompileMate Weekly Contest 10

Oct 11, 2026

#19

600 pts

CompileMate Weekly Contest 8

Sep 27, 2026

#66

100 pts