constructive algorithms - 题库

ID	题目显示标签隐藏标签	AC / 尝试	难度
1239	P1672F2 Checker for Array Shuffling constructive algorithms dfs and similar graphs *2800	0 / 0	10
1238	P1672G Cross Xor constructive algorithms graphs math matrices *3200	0 / 0	10
1237	P1672H Zigu Zagu constructive algorithms data structures greedy *2700	0 / 0	10
1230	P1673F Anti-Theft Road Planning bitmasks constructive algorithms divide and conquer greedy interactive math *2400	0 / 0	9
1229	P1674A Number Transformation constructive algorithms math *800	0 / 0	3
1226	P1674D A-B-C Sort constructive algorithms implementation sortings *1200	0 / 0	4
1225	P1674E Breaking the Wall binary search brute force constructive algorithms greedy math *2000	0 / 0	7
1204	P1677C Tokitsukaze and Two Colorful Tapes constructive algorithms dfs and similar graphs greedy *1900	0 / 0	6
1178	P1682B AND Sorting bitmasks constructive algorithms sortings *1100	0 / 0	3
1177	P1682C LIS or Reverse LIS? constructive algorithms greedy implementation math *1400	0 / 0	4
1176	P1682D Circular Spanning Tree constructive algorithms implementation trees *2000	0 / 0	7
1175	P1682E Unordered Swaps constructive algorithms dfs and similar graphs greedy math sortings trees *2700	0 / 0	10
1173	P1684A Digit Minimization constructive algorithms games math strings *800	0 / 0	3
1172	P1684B Z mod X = C constructive algorithms math *800	0 / 0	3
1171	P1684C Column Swapping brute force constructive algorithms greedy implementation sortings *1400	0 / 0	4
1170	P1684D Traps constructive algorithms greedy sortings *1700	0 / 0	5
1169	P1684E MEX vs DIFF binary search brute force constructive algorithms data structures greedy two pointers *2100	0 / 0	7
1167	P1684G Euclid Guess constructive algorithms flows graph matchings math number theory *2800	0 / 0	10
1166	P1684H Hard Cut constructive algorithms dfs and similar divide and conquer math *3400	0 / 0	10
1165	P1685A Circular Local MiniMax constructive algorithms greedy sortings *1100	0 / 0	3
1163	P1685C Bring Balance brute force constructive algorithms greedy *2600	0 / 0	10
1162	P1685D1 Permutation Weight (Easy Version) constructive algorithms dfs and similar dsu *2800	0 / 0	10
1161	P1685D2 Permutation Weight (Hard Version) constructive algorithms greedy *3500	0 / 0	10
1156	P1687B Railway System constructive algorithms graphs greedy interactive sortings *1700	0 / 0	5
1153	P1687E Become Big For Me combinatorics constructive algorithms greedy math number theory *3500	0 / 0	10
1150	P1688B Patchouli's Magical Talisman bitmasks constructive algorithms greedy sortings *800	0 / 0	3
1149	P1688C Manipulating History constructive algorithms greedy strings *1700	0 / 0	5
1144	P1689E ANDfinity bitmasks brute force constructive algorithms dfs and similar dsu graphs *2500	0 / 0	9
1143	P1690A Print a Pedestal (Codeforces logo?) constructive algorithms greedy *800	0 / 0	3
1135	P1691B Shoe Shuffling constructive algorithms greedy implementation two pointers *1000	0 / 0	3
1134	P1691C Sum of Substrings brute force constructive algorithms greedy math strings *1400	0 / 0	4
1133	P1691D Max GEQ Sum binary search constructive algorithms data structures divide and conquer implementation two pointers *1800	0 / 0	6
1115	P1694B Paranoid String constructive algorithms greedy *1200	0 / 0	4
1111	P1695D1 Tree Queries (Easy Version) brute force constructive algorithms dfs and similar dp greedy trees *2200	0 / 0	8
1110	P1695D2 Tree Queries (Hard Version) constructive algorithms dfs and similar dp greedy trees *2300	0 / 0	8
1109	P1695E Ambiguous Dominoes constructive algorithms dfs and similar graphs *2700	0 / 0	10
1106	P1696C Fishingprince Plays With Array constructive algorithms greedy implementation math *1400	0 / 0	4
1105	P1696D Permutation Graph binary search constructive algorithms data structures divide and conquer greedy shortest paths *1900	0 / 0	6
1103	P1696F Tree Recovery brute force constructive algorithms dfs and similar dsu graphs trees *2600	0 / 0	10
1098	P1697C awoo's Favorite Problem binary search constructive algorithms data structures greedy implementation strings two pointers *1400	0 / 0	4
1097	P1697D Guess The String binary search constructive algorithms interactive *1900	0 / 0	6
1096	P1697E Coloring brute force combinatorics constructive algorithms dp geometry graphs greedy implementation math *2400	0 / 0	9
1095	P1697F Too Many Constraints 2-sat constructive algorithms graphs implementation *2800	0 / 0	10
1093	P1698B Rising Sand constructive algorithms greedy implementation *800	0 / 0	3
1091	P1698D Fixed Point Guessing binary search constructive algorithms interactive *1600	0 / 0	5
1089	P1698F Equal Reversal constructive algorithms graphs implementation math *2800	0 / 0	10
1087	P1699A The Third Three Number Problem constructive algorithms math *800	0 / 0	3
1086	P1699B Almost Ternary Matrix bitmasks constructive algorithms matrices *900	0 / 0	3
1085	P1699C The Third Problem combinatorics constructive algorithms math *1700	0 / 0	5
1082	P1700A Optimal Path constructive algorithms greedy math *800	0 / 0	3
1081	P1700B Palindromic Numbers constructive algorithms implementation math *1100	0 / 0	3
1080	P1700C Helping the Nature constructive algorithms data structures greedy *1700	0 / 0	5
1078	P1700E Serega the Pirate brute force constructive algorithms *2600	0 / 0	10
1077	P1700F Puzzle constructive algorithms dp greedy *2600	0 / 0	10
1070	P1702A Round Down the Price constructive algorithms *800	0 / 0	3
1065	P1702F Equate Multisets constructive algorithms data structures greedy math number theory *1700	0 / 0	5
1055	P1704A Two 0-1 Sequences constructive algorithms greedy *800	0 / 0	3
1052	P1704D Magical Array constructive algorithms hashing implementation math *1900	0 / 0	6
1051	P1704E Count Seconds brute force constructive algorithms dp graphs implementation math *2200	0 / 0	8
1050	P1704F Colouring Game constructive algorithms dp games *2600	0 / 0	10
1049	P1704G Mio and Lucky Array constructive algorithms fft math strings *3500	0 / 0	10
1048	P1704H1 Game of AI (easy version) combinatorics constructive algorithms dp fft math *3200	0 / 0	10
1045	P1705B Mark the Dust Sweeper constructive algorithms greedy implementation *900	0 / 0	3
1043	P1705D Mark and Lightbulbs combinatorics constructive algorithms greedy math sortings *1800	0 / 0	6
1041	P1705F Mark and the Online Exam bitmasks constructive algorithms interactive probabilities *2900	0 / 0	10
1040	P1706A Another String Minimization Problem 2-sat constructive algorithms greedy string suffix structures strings *800	0 / 0	3
1037	P1706D1 Chopping Carrots (Easy Version) binary search brute force constructive algorithms greedy number theory *1700	0 / 0	5
1036	P1706D2 Chopping Carrots (Hard Version) brute force constructive algorithms data structures dp greedy math number theory two pointers *2400	0 / 0	9
1034	P1707A Doremy's IQ binary search constructive algorithms greedy implementation *1600	0 / 0	5
1029	P1707F Bugaboo bitmasks constructive algorithms dp number theory *3500	0 / 0	10
1027	P1708B Difference of GCDs constructive algorithms math *1100	0 / 0	3
1024	P1709C Recover an RBS constructive algorithms greedy implementation strings *1800	0 / 0	6
1020	P1710A Color the Picture constructive algorithms greedy math *1500	0 / 0	5
1018	P1710C XOR Triangle bitmasks brute force constructive algorithms dp greedy math *2500	0 / 0	9
1017	P1710D Recover the Tree constructive algorithms trees *3400	0 / 0	10
1015	P1711A Perfect Permutation constructive algorithms *800	0 / 0	3
1012	P1712B Woeful Permutation constructive algorithms greedy number theory *800	0 / 0	3
1010	P1712D Empty Graph binary search constructive algorithms data structures greedy shortest paths *2000	0 / 0	7
1005	P1713B Optimal Reduction constructive algorithms sortings *1000	0 / 0	3
1004	P1713C Build Permutation constructive algorithms dp math *1200	0 / 0	4
1003	P1713D Tournament Countdown constructive algorithms greedy interactive number theory probabilities *1800	0 / 0	6
1001	P1713F Lost Array bitmasks combinatorics constructive algorithms dp math *2900	0 / 0	10
995	P1714F Build a Tree and That Is It constructive algorithms implementation trees *1900	0 / 0	6
993	P1715A Crossmarket constructive algorithms greedy math *800	0 / 0	3
992	P1715B Beautiful Array constructive algorithms greedy math *1000	0 / 0	3
988	P1715F Crop Squares constructive algorithms geometry interactive math *2700	0 / 0	10
986	P1716B Permutation Chain constructive algorithms math *800	0 / 0	3
980	P1717B Madoka and Underground Competitions constructive algorithms implementation *1100	0 / 0	3
978	P1717D Madoka and The Corruption Scheme combinatorics constructive algorithms greedy math *1900	0 / 0	6
976	P1717F Madoka and The First Session constructive algorithms flows graph matchings graphs implementation *2500	0 / 0	9
970	P1718E Impressionism constructive algorithms graphs implementation math *3500	0 / 0	10
967	P1719B Mathematical Circus constructive algorithms math *800	0 / 0	3
960	P1720E Misha and Paintings constructive algorithms data structures greedy implementation math *2700	0 / 0	10
954	P1721F Matching Reduction brute force constructive algorithms dfs and similar flows graph matchings graphs interactive *2800	0 / 0	10
947	P1722G Even-Odd XOR bitmasks constructive algorithms greedy *1500	0 / 0	5
939	P1725H Hot Black Hot White constructive algorithms math *1800	0 / 0	6
932	P1726B Mainak and Interesting Sequence bitmasks constructive algorithms math *1100	0 / 0	3
930	P1726D Edge Split brute force constructive algorithms dfs and similar dsu graphs probabilities trees *2000	0 / 0	7
924	P1728B Best Permutation constructive algorithms greedy *800	0 / 0	3
922	P1728D Letter Picking constructive algorithms dp games two pointers *1800	0 / 0	6

试试手气

根据当前过滤条件随机选择一道题

分类

动态规划

搜索

计算几何

贪心

树结构

图结构

数论

模拟

数据结构

博弈论

字符串

组合数学

线性代数

高精度

递推

概率论

NPC

其他

状态

开发

支持

关于

分类

状态

开发

支持

关于

还没有账户？

登录