Isolated Sandboxing•Multi-Language
Your Code,
We Execute Anywhere.
Code0 is a powerful, secure, and scalable code execution platform built for developers to write, test, and run code across multiple languages.
Supported Runtimes
Python
C++
Java
Csolution.py
Python 3.12# Two Sum — Optimal O(N) Hash Map Solution
def two_sum(nums: list[int], target: int) -> list[int]:
seen = {}
for i, val in enumerate(nums):
diff = target - val
if diff in seen:
return [seen[diff], i]
seen[val] = i
return []✓ AcceptedRuntime: 1.2 ms
Engineered for developer feedback and reliability
Core platform capabilities without unverified claims or synthetic marketing metrics.
Multi-Language Support
Execute code across C, C++, Java, and Python 3 without local toolchain or environment configuration.
Isolated Sandboxing
Submissions run in dedicated containers with enforced CPU time, memory limits, and process isolation.
Async Job Evaluation
Asynchronous worker queues evaluate each test case individually and return detailed verdicts.