<p>The entire degree program is at HKUST in Hong Kong. That gives you the maximum possible time abroad. Plus, it is a highly respected school for CS at a bargain price compared to most US schools. But that probably means that it is not easy to gain admission.</p>
<p>Columbia has an arrangement with Sciences Po in France for something like what you are looking for. But it is mainly oriented toward social studies majors.
[Dual</a> BA Program Between Columbia University and Sciences Po](<a href=“http://gs.columbia.edu/sciences-po/]Dual”>SPO Dual BA)</p>