<p>The USACO contests that are held during the year are open to anyone, so Canadians could do those. I actually think that like, only thirty percent of the people that participate in the regular USACO contests are actually from the US.</p>
<p>The USACO contests that are held during the year are open to anyone, so Canadians could do those. I actually think that like, only thirty percent of the people that participate in the regular USACO contests are actually from the US.</p>