No SUCCESS on compilation error

• Fix: the run playground succeeds while there was compilation errors

• Update the gcc tool to the 7.3 version

Update GCC version (7.1)

Merge pull request #3 from TechDotIO/change-gcc-version

update(gcc): version 7.1

1.1.0-gcc-6.3

Merge pull request #2 from CodinGame/update-version

update version

1.1-gcc-6.3

Merge pull request #1 from CodinGame/remove-copy-answer

Remove copy of the answer

1.0-gcc-6.3

Create README.md