Codeforces Round #661 (Div. 3) E1-Weights Division (easy version)-Greedy, priority queue, tree - Code World

Codeforces Round #661 (Div. 3) E1-Weights Division (easy version)-Greedy, priority queue, tree

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Origin blog.csdn.net/wmy0536/article/details/107843968

Codeforces Round #661 (Div. 3) E1-Weights Division (easy version)-Greedy, priority queue, tree

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Codeforces Round # 575 (Div. 3) D1 + D2. RGB Substring (easy version) D2. RGB Substring (hard version) (thinking, enumeration, and prefix)

Codeforces Round # 611 (Div. 3) E. New Year Parties (greedy)

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