“Wrong answer” teaches nothing.

Write C in the browser, graded byte for byte. Every failing test names the line, the column, the byte. The full verdict, Valgrind included, lands in milliseconds.

C

hello

First program8

Objective

Your first compiled C program. One job: output a specific line and exit cleanly.

Steps

examples

$ ./hello

Hello World!

Constraints

Expected files

hello.c

Allowed functions

write

Tests

2 of 2 failing

Buildok
Tested with./hello

Difference 1 of 3

line 1, column 7

Expected output
Your output

Expected "Wo", your output has "G"

Expected output: Hello World!

Your output: Hello Grademe!

LF
line break