math - Codeforces - 题库

ID	题目显示标签隐藏标签	AC / 尝试	难度
198	P1648A Weird Sum combinatorics data structures geometry math matrices sortings *1400	0 / 0	(无)
197	P1648B Integral Array brute force constructive algorithms data structures math *1800	0 / 0	(无)
189	P1650B DIV + MOD math *900	0 / 0	(无)
187	P1650D Twist the Permutation brute force constructive algorithms implementation math *1300	0 / 0	(无)
186	P1650E Rescheduling the Exam binary search data structures greedy implementation math sortings *1900	0 / 0	(无)
179	P1651E Sum of Matchings brute force combinatorics constructive algorithms dfs and similar graph matchings greedy math *2600	0 / 0	(无)
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)
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)
160	P1657A Integer Moves brute force math *800	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)

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