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
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+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
t/problems/hello/tests/perl/prog.pl
t/problems/hello/tests/python/meta.yml
t/problems/hello/tests/python/prog.py
+t/problems/hello/tests/ruby/meta.yml
+t/problems/hello/tests/ruby/prog.rb
t/problems/increment/ver.c
t/problems/increment/meta.yml
t/problems/increment/tests/ac/meta.yml