The Aesthetic
Competitive Programming IDE
Blazing fast 500ms builds with GCC 16 + LLD. Pre-configured environment, Kawaii themes, and zero setup required.
Windows 10/11 • Portable .exe • No Installation
Performance & Standards
Built on Next-Gen Technology for Maximum Speed
Build Speed
(#include<bits/stdc++.h>)
C++ Support
Up and Running in 2 Minutes
No MinGW installation, no PATH configuration, no headaches
Download
Click Download at the top to choose Installer or Portable. Under 300MB.
Extract & Open
Install or unzip, then open Sameko.exe. No setup needed.
Write Code
IntelliSense, snippets, and highlighting are ready immediately.
Press F11
Compile & Run in ~500ms. Output appears instantly.
Features Designed for Competitive
Everything you need to reach Grandmaster
Custom Snippets
Define fast shortcuts for templates, algorithms (BFS, DFS, Segment Tree). Type less, solve faster.
AStyle Formatting
Clean up messy code instantly with Ctrl+Shift+A. Supports Google, LLVM, and Mozilla styles.
Checkpoints System
Never lose progress. Auto-backups on every save. View history and restore any previous version.
Live Error Checker
Real-time syntax diagnostics powered by Tree-sitter + GCC. Catch errors before you build.
7 Kawaii Themes
Sameko Blue, Sakura Pink, Dracula, Monokai, Nord, One Dark. Plus custom backgrounds & a live Theme Customizer.
Test Case Manager
Parse tests from Competitive Companion. Run AC/WA/TLE/RE/MLE checks automatically in one click.
Built with Modern Technology
Industry-standard tools powering a lightweight package
Electron 28
Cross-platform desktop framework
Monaco Editor
The engine behind VS Code
GCC 16 (Sameko Build)
Latest C++ compiler with LLD linker
Tree-sitter
Incremental parsing for real-time diagnostics
Xterm.js
Full terminal emulator with interactive I/O
AStyle
Professional C++ code formatter
Keyboard-First Workflow
Every action is one shortcut away — fully customizable
All shortcuts are customizable in Settings → Keybindings
Frequently Asked Questions
Quick answers to common questions
Yes, completely free and open-source under the MIT License. No ads, no subscriptions, no data collection. You can view the full source code on GitHub.
No. Sameko bundles a custom GCC 16 compiler (Sameko-GCC). Everything is pre-configured — just download and start coding.
Yes! The Portable version runs directly from any folder without installation. No admin rights required, no registry changes. Perfect for USB drives.
Sameko supports C++98, C++11, C++14, C++17 (default), C++20, C++23, and experimental C++26. You can switch standards in Settings → Compiler.
Yes. Install the Competitive Companion browser extension, open a problem on Codeforces / AtCoder / LeetCode, and click the extension icon. Test cases are automatically loaded into the IDE with AC/WA/TLE/RE/MLE verdict checking.
This is a common false-positive for Electron apps. Click "More info" → "Run anyway". You can also right-click the .exe → Properties → check "Unblock" → Apply. The source code is fully open for inspection on GitHub.
Dev-C++ 5.11 uses GCC 4.x (released ~2013) and has no active development. Sameko uses GCC 16 with C++23 support, has a modern Monaco Editor with IntelliSense, Tree-sitter diagnostics, Competitive Companion integration, custom themes, and auto-updates.
Absolutely. Sameko has 7 built-in themes and a Theme Customizer where you can click any UI element to change its color, set custom background images/videos with opacity control, and even import/export custom themes.
Open Source & Community
Built in the open, for everyone
Source Code
Browse the full source on GitHub. Fork it, study it, and contribute improvements.
View Repository →Report Issues
Found a bug or have a feature request? Open an issue on GitHub and help improve the IDE.
Open an Issue →Contributors
Sameko is built by volunteers who contribute code, design, bug fixes, and ideas. Every contribution matters.
See Contributors →