Contributing (Draft)

Help more people find counterexamples by contributing accepted solutions and generator code to the testcase.ac community.

How to contribute

Step 1: Sign in

You need to sign in with your testcase.ac account before contributing.

Step 2: Add a problem

Use the “Add manually” button on the homepage to submit one of the following:

• Accepted solution code: code that received an accepted verdict on Baekjoon
• Generator code: code that creates random test cases
• Individual test cases: either plain text test cases or code that creates one large custom test case
• Checker code for special judge problems: code that decides whether a user’s output is correct

For checker implementations, see Codeforces - Checkers with testlib.h.