Codeforces - 题库 - 云斗学院

ID	题目显示标签隐藏标签	AC / 尝试	难度
174	P1654D Potion Brewing Class dfs and similar math number theory trees *2100	0 / 0	(无)
173	P1654E Arithmetic Operations brute force data structures graphs math *2300	0 / 0	(无)
172	P1654F Minimal String Xoration bitmasks data structures divide and conquer greedy hashing sortings strings *2800	0 / 0	(无)
171	P1654G Snowy Mountain data structures dfs and similar graphs greedy shortest paths trees *2900	0 / 0	(无)
170	P1654H Three Minimums combinatorics constructive algorithms divide and conquer dp fft math *3500	0 / 0	(无)
169	P1656A Good Pairs math sortings *800	0 / 0	(无)
168	P1656B Subtract Operation data structures greedy math two pointers *1100	0 / 0	(无)
167	P1656C Make Equal With Mod constructive algorithms math number theory sortings *1200	0 / 0	(无)
166	P1656D K-good constructive algorithms math number theory *1900	0 / 0	(无)
165	P1656E Equal Tree Sums constructive algorithms dfs and similar math trees *2200	0 / 0	(无)
164	P1656F Parametric MST binary search constructive algorithms graphs greedy math sortings *2600	0 / 0	(无)
163	P1656G Cycle Palindrome constructive algorithms graphs math *3200	0 / 0	(无)
162	P1656H Equal LCM Subsets data structures math number theory *3200	0 / 0	(无)
161	P1656I Neighbour Ordering constructive algorithms graphs *3500	0 / 0	(无)
160	P1657A Integer Moves brute force math *800	0 / 0	(无)
159	P1657B XY Sequence greedy *800	0 / 0	(无)
158	P1657C Bracket Sequence Deletion greedy implementation *1200	0 / 0	(无)
157	P1657D For Gamers binary search brute force greedy math sortings *2000	0 / 0	(无)
156	P1657E Star MST combinatorics dp graph matchings math *2200	0 / 0	(无)
155	P1657F Words on Tree 2-sat dfs and similar dsu graphs trees *2600	0 / 0	(无)

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