We've upgraded code our execution! All Python submissions are using version 3.14, up from 3.12. 80% of C++ submissions are being compiled with C++26 (up from C++23). Soon 100% will.

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Vishal Rao
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Last logged in Aug 21, 2026

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Attempted questions, problems, quizzes, and roadmap resources in 2026

Contribution Graph for 2026
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Rank
Mid
Tier 3 of 11
Total XP
5,032
Junior rank badgeJunior
Senior rank badgeSenior
9,968 XP to Senior0%
Questions
21
Solved
Problems
1
Solved
Quizzes
0
Completed
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0
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Streak
0
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Best Streak
2
Days

Recently Completed

TitleStatusDate
CI only speak english
MediumLanguageKnowledge
Aug 21, 2026
Facing chickens
CookedPuzzles
May 29, 2026
CWhich kind of vector?
EasyLanguageKnowledge
May 29, 2026
System Initialization
CookedOperatingSystems
Mar 26, 2026
Lock Purpose Basics
EasyOperatingSystems
Feb 27, 2026
DNS Basic Function
CookedNetworking
Feb 27, 2026
Endian? Is that a word?
CookedComputerArchitecture
Feb 27, 2026
CThe perfect union 3.
EasyLanguageKnowledge
Jan 23, 2026
AIMD TCP
EasyNetworking
Jan 23, 2026
TCP Three-way Handshake
CookedNetworking
Jan 23, 2026
TCP Socket
EasyNetworking
Jan 23, 2026
Which way do I read this?
HardNetworking
Jan 23, 2026
PythonFuture shock
EasyConcurrency
Jan 23, 2026
CParallel pitfalls
EasyConcurrency
Jan 22, 2026
You're a snake.
CookedLanguageKnowledge
Jan 22, 2026
CPad it up!
EasyComputerArchitecture
Jan 22, 2026
Nosy Cache
MediumComputerArchitecture
Jan 22, 2026
System Dichotomy
CookedLanguageKnowledge
Jan 22, 2026
What does 'SQL' stand for?
CookedLanguageKnowledge
Jan 22, 2026
CClone it, Luke
MediumDesignPatterns
Jan 22, 2026
CDelete Delete Delete
CookedDesignPatterns
Jan 22, 2026
Nagle Algorithm Purpose
CookedNetworking
Jan 22, 2026
Speedup
MediumComputerArchitecture
Dec 17, 2025
C3D Space
CookedLanguageKnowledge5.5ms
Dec 17, 2025
CShifting off the edge
CookedComputerArchitecture
Dec 17, 2025
What's wrong with this query?
EasyLanguageKnowledge
Dec 17, 2025
What does 'CSV' stand for?
CookedLanguageKnowledge
Dec 17, 2025
What does 'JSON' stand for?
CookedLanguageKnowledge
Dec 17, 2025
CPut it right there
HardLanguageKnowledge
Dec 17, 2025
SQL commands matter
EasyLanguageKnowledge
Nov 27, 2025
Cskibidi pointer
EasyLanguageKnowledge
Nov 27, 2025
TCP Congestion Control Goals
EasyNetworking
Nov 27, 2025
Cstd::cout vs std::cerr
EasyLanguageKnowledge
Nov 27, 2025
Processor Architectural Divisions
MediumComputerArchitecture
Nov 27, 2025
OS OSI
CookedNetworking
Nov 27, 2025

Favorite Questions

TitleStatusDate
CPad it up!
EasyComputerArchitecture
Jan 22, 2026
Nagle Algorithm Purpose
CookedNetworking
Jan 22, 2026
CClone it, Luke
MediumDesignPatterns
Jan 22, 2026
PythonFuture shock
EasyConcurrency
Jan 23, 2026
CThe perfect union 3.
EasyLanguageKnowledge
Jan 23, 2026

Progress Overview

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