CodeTrap

A 60-second daily coding challenge

Can you predict what this code does?

One short C++ or Java trick question each day. Guess the output, reveal why, and build your coding intuition in about a minute.

Join early accessTry a challenge

From the creator of coding challenge Reels averaging 50K views.

Interactive preview

Try one question

A quick sample of the daily challenge format.

Language

C++

Predict the output:

int a = 10;
    a = 20;
};
std::cout << a;
Choose one answer

How CodeTrap is planned to work

01

Guess the output

Open a short planned daily prompt and commit to an answer before seeing the result.

02

Reveal the explanation

Get a concise breakdown of the language rule, edge case, or trap behind the code.

03

Build your daily streak

The planned app is designed to turn tiny coding puzzles into a repeatable learning habit.

C++ and Java first.

The preview includes one selected challenge for every language in the sheet, with C++ and Java kept at the front.

C++JavaJavaScriptKotlinSwift
One focused challenge per dayShort explanationsStronger programming fundamentalsCommon language trapsBeginner-friendly learning

Help shape CodeTrap

Join the early-access list and tell us which language you want to practice first.

Join early access

You'll be taken to a short Google Form.