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codeforces
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CF 1109A Sasha and a Bit of Relax
2021-01-01
算法
前綴異或
codeforces
A Way to Practice Competitive Programming : From rating 1000 to 2000 Codeforces
2021-01-02
codeforces
C. Polygon for the Angle Educational Codeforces Round 57 (Rated for Div. 2)
2021-01-02
codeforces
C&C++
Educational Codeforces Round 54 (Rated for Div. 2) C. Meme Problem
2021-01-02
C. Meme Problem
Codeforces
Round 54
CSS
Educational Codeforces Round 44 (Rated for Div. 2) C. Liebig's Barrels
2021-01-02
acm
codeforces
CSS
Educational Codeforces Round 48 (Rated for Div. 2)
2021-01-02
codeforces
CSS
雙聯通分量求簡單環（Educational Codeforces Round 42: F. Simple Cycles Edges）
2021-01-04
codeforces
Educational Codeforces Round 52: D. Three Pieces（記憶化搜索）
2021-01-04
codeforces
Arpa’s obvious problem and Mehrdad’s terrible solution codeforces problem/742/ 異或
2021-01-04
異或
codeforces
題解
Codeforces Round #190 (Div. 1): E. Ciel and Gondolas（決策單調性DP+wqs二分）
2021-01-04
codeforces
CSS
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每日一句
每一个你不满意的现在，都有一个你没有努力的曾经。
