t/problems/double/meta.yml
t/problems/double/tests/wa/meta.yml
t/problems/double/tests/wa/prog.c
+t/problems/errors/tests/nonexistent-runner/meta.yml
+t/problems/errors/tests/invalid-runner/meta.yml
+t/problems/errors/tests/no-runner/meta.yml
+t/problems/errors/meta.yml
t/problems/hello/1.in
t/problems/hello/1.ok
t/problems/hello/meta.yml