aaronchang:
博客地址:https://www.cnblogs.com/aaronchang/
aaronchang:
博客地址:https://www.cnblogs.com/aaronchang/
codeforces 1269E K Integers (二分+树状数组)
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Codeforces Round #609 (Div. 2) A-E简要题解
codeforces 1284E. New Year and Castle Construction(极角排序+扫描枚举)
codeforces 1284D. New Year and Conference(线段树)
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