Problemset - Codeforces

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math

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Problems

#	Name
1085C	Connect Three implementation, math	1600	x5363
1085B	Div Times Mod math	1100	x9170
1082A	Vasya and Book implementation, math	1200	x8419
1081G	Mergesort Strikes Back math, probabilities	3200	x339
1081E	Missing Numbers binary search, constructive algorithms, greedy, math, number theory	1900	x2532
1081C	Colorful Bricks combinatorics, dp, math	1500	x7045
1081A	Definite Game constructive algorithms, math	800	x11885
1080D	Olya and magical square constructive algorithms, implementation, math	2000	x1520
1080B	Margarite and the best present math	900	x11544
1080A	Petya and Origami math	800	x17786
1077A	Frog Jumping math	800	x29046
1076C	Meme Problem binary search, math	1300	x12091
1076B	Divisor Subtraction implementation, math, number theory	1200	x12535
1075A	The King's Race implementation, math	800	x8328
1073E	Segment Sum bitmasks, combinatorics, dp, math	2300	x2386
1073B	Vasya and Books implementation, math	1000	x10411
1068B	LCM math, number theory	1200	x11088
1068A	Birthday math	1400	x6629
1067E	Random Forest Rank dp, graph matchings, math, trees	2800	x421
1067D	Computer Game dp, greedy, math, probabilities	3100	x354
1066E	Binary Numbers AND Sum data structures, implementation, math	1700	x6003
1066A	Vova and Train math	1100	x14261
1065A	Vasya and Chocolate implementation, math	800	x14544
1064B	Equations of Mathematical Magic math	1200	x7451
1064A	Make a triangle! brute force, geometry, math	800	x21702
1063E	Lasers and Mirrors constructive algorithms, math	3000	x330
1063D	Candies for Children brute force, math	2600	x420
1062D	Fun with Integers dfs and similar, graphs, implementation, math	1800	x3863
1062C	Banh-mi greedy, implementation, math	1600	x5311
1062B	Math greedy, math, number theory	1500	x8406
1061C	Multiplicity data structures, dp, implementation, math, number theory	1700	x8353
1061A	Coins greedy, implementation, math	800	x21315
1060D	Social Circles greedy, math	1900	x3558
1059C	Sequence Transformation constructive algorithms, math	1600	x6973
1056F	Write The Contest binary search, dp, math	2500	x465
1056B	Divide Candies math, number theory	1600	x4069
1055C	Lucky Days math, number theory	1900	x1841
1054H	Epic Convolution chinese remainder theorem, fft, math, number theory	3500	x172
1054G	New Road Network constructive algorithms, greedy, math	3300	x261
1054E	Chips Puzzle constructive algorithms, implementation, math	2400	x475
1051C	Vasya and Multisets brute force, dp, greedy, implementation, math	1500	x9132
1051B	Relatively Prime Pairs greedy, math, number theory	1000	x16486
1047B	Cover Points geometry, math	900	x16890
1047A	Little C Loves 3 I math	800	x19548
1045H	Self-exploration math	2400	x365
1045F	Shady Lady geometry, math	3400	x92
1045D	Interstellar battle math, probabilities, trees	2200	x635
1043F	Make It One bitmasks, combinatorics, dp, math, number theory, shortest paths	2500	x2187
1043E	Train Hard, Win Easy constructive algorithms, greedy, math, sortings	1900	x2686
1043D	Mysterious Crime brute force, combinatorics, math, meet-in-the-middle, two pointers	1700	x4367
1043A	Elections implementation, math	800	x10702
1042E	Vasya and Magic Matrix dp, math, probabilities	2300	x1689
1042C	Array Product constructive algorithms, greedy, math	1700	x4627
1041F	Ray in the tube data structures, divide and conquer, dp, math	2500	x1442
1041B	Buying a TV Set math	1000	x13677
1040B	Shashlik Cooking dp, greedy, math	1300	x7011
1039C	Network Safety dfs and similar, dsu, graphs, math, sortings	2200	x1312
1039A	Timetable constructive algorithms, data structures, greedy, math	2300	x771
1038B	Non-Coprime Partition constructive algorithms, math	1100	x13103
1037F	Maximum Reduction combinatorics, data structures, math	2500	x929
1037A	Packets constructive algorithms, greedy, math	1300	x10926
1036F	Relatively Prime Powers combinatorics, math, number theory	2400	x1361
1036B	Diagonal Walking v.2 math	1600	x5615
1036A	Function Height math	1000	x10034
1034E	Little C Loves 3 III bitmasks, dp, math	3200	x587
1033F	Boolean Computer bitmasks, brute force, fft, math	2800	x364
1033D	Divisors interactive, math, number theory	2000	x2303
1033B	Square Difference math, number theory	1100	x9152
1032E	The Unbearable Lightness of Weights dp, math	2100	x1473
1031F	Familiar Operations brute force, graphs, math	2800	x264
1031A	Golden Plate implementation, math	800	x12759
1029F	Multicolored Markers binary search, brute force, math, number theory	2000	x2472
1029D	Concatenated Multiples implementation, math	1900	x3708
1029C	Maximal Intersection greedy, math, sortings	1600	x7299
1029B	Creating the Contest dp, greedy, math	1200	x16392
1028H	Make Square math	2900	x479
1028B	Unnatural Conditions constructive algorithms, math	1200	x8764
1027G	X-mouse in the Campus bitmasks, math, number theory	2600	x295
1027E	Inverse Coloring combinatorics, dp, math	2100	x1859
1027B	Numbers on the Chessboard implementation, math	1200	x8074
1025G	Company Acquisitions constructive algorithms, math	3200	x615
1025D	Recovering BST brute force, dp, math, number theory, trees	2100	x3297
1023B	Pair of Toys math	1000	x10612
1020A	New Building for SIS math	1000	x8861
1017F	The Neutral Zone brute force, math	2500	x799
1017B	The Bits implementation, math	1200	x9039
1016G	Appropriate Team bitmasks, math, number theory	2700	x256
1016D	Vasya And The Matrix constructive algorithms, flows, math	1800	x4424
1016A	Death Note greedy, implementation, math	900	x14667
1013A	Piles With Stones math	800	x10825
1012E	Cycle sort dsu, math	3100	x271
1012A	Photo of The Sky brute force, implementation, math, sortings	1500	x6148
1010A	Fly binary search, math	1500	x7991
1009E	Intercity Travelling combinatorics, math, probabilities	2000	x2885
1009D	Relatively Prime Graph brute force, constructive algorithms, graphs, greedy, math	1700	x6143
1009C	Annoying Present greedy, math	1700	x5194
1007B	Pave the Parallelepiped bitmasks, brute force, combinatorics, math, number theory	2400	x935
1007A	Reorder the Array combinatorics, data structures, math, sortings, two pointers	1300	x11983
1004B	Sonya and Exhibition constructive algorithms, greedy, implementation, math	1300	x9205
1003C	Intense Heat brute force, implementation, math	1300	x10327