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F. SUM and REPLACE time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output Let D(x) be the number of 阅读全文
posted @ 2019-10-02 12:35
茄子Min
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摘要:
Connected Components? "CodeForces 920E " You are given an undirected graph consisting of n vertices and edges. Instead of giving you the edges that ex 阅读全文
posted @ 2019-10-02 11:36
茄子Min
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