Contributions to or-tools are welcome!
If you do contribute, we need to make sure that we have the right to distribute your contribution. You'll need to fill out one of the following online forms.
Contributions from individuals: https://cla.developers.google.com/about/google-individual
Contributions from corporations: https://cla.developers.google.com/clas/new?kind=KIND_CORPORATE&domain=DOMAIN_GOOGLE
Thanks for helping,
The Google Operations Research Team