Pantw’s Blog
工科数学分析(2)
Codeforces Round #394 (Div. 2)
Codeforces Round #639 (Div. 1) (Unrated)
Codeforces Round #656 (Div. 3) task:4/4/7, rank:???/???
task:4/4/7
rank:???/???
Codeforces Round #657 (Div. 2) Under Construction …
Under Construction …
Codeforces Round #658 (Div. 1) Under Construction …
$$\iint_{\mathbb{S}}\!\!\!\!\!\!\!\!\!\!\!\!\;\subset\!\supset$$