Problemset - Codeforces

Problems

#	Name
1081G	Mergesort Strikes Back math, probabilities	3200	x393
1081E	Missing Numbers binary search, constructive algorithms, greedy, math, number theory	1900	x2601
1081C	Colorful Bricks combinatorics, dp, math	1500	x7344
1081A	Definite Game constructive algorithms, math	800	x12126
1080D	Olya and magical square constructive algorithms, implementation, math	2000	x1561
1080B	Margarite and the best present math	900	x11848
1080A	Petya and Origami math	800	x18229
1077A	Frog Jumping math	800	x30150
1076C	Meme Problem binary search, math	1300	x12514
1076B	Divisor Subtraction implementation, math, number theory	1200	x13118
1075A	The King's Race implementation, math	800	x8565
1073E	Segment Sum bitmasks, combinatorics, dp, math	2300	x2658
1073B	Vasya and Books implementation, math	1000	x10600
1068B	LCM math, number theory	1200	x11692
1068A	Birthday math	1400	x6851
1067E	Random Forest Rank dp, graph matchings, math, trees	2800	x454
1067D	Computer Game dp, greedy, math, probabilities	3100	x407
1066E	Binary Numbers AND Sum data structures, implementation, math	1700	x6190
1066A	Vova and Train math	1100	x14611
1065A	Vasya and Chocolate implementation, math	800	x14693
1064B	Equations of Mathematical Magic math	1200	x7559
1064A	Make a triangle! brute force, geometry, math	800	x22640
1063E	Lasers and Mirrors constructive algorithms, math	3000	x356
1063D	Candies for Children brute force, math	2600	x435
1062D	Fun with Integers dfs and similar, graphs, implementation, math	1800	x3969
1062C	Banh-mi greedy, implementation, math	1600	x5475
1062B	Math greedy, math, number theory	1500	x8873
1061C	Multiplicity data structures, dp, implementation, math, number theory	1700	x9026
1061A	Coins greedy, implementation, math	800	x22096
1060D	Social Circles greedy, math	1900	x3646
1059C	Sequence Transformation constructive algorithms, math	1600	x7171
1056F	Write The Contest binary search, dp, math	2500	x663
1056B	Divide Candies math, number theory	1600	x4234
1055C	Lucky Days math, number theory	1900	x1917
1054H	Epic Convolution chinese remainder theorem, fft, math, number theory	3500	x179
1054G	New Road Network constructive algorithms, greedy, math	3300	x299
1054E	Chips Puzzle constructive algorithms, implementation, math	2400	x488
1051C	Vasya and Multisets brute force, dp, greedy, implementation, math	1500	x9304
1051B	Relatively Prime Pairs greedy, math, number theory	1000	x17251
1047B	Cover Points geometry, math	900	x17322
1047A	Little C Loves 3 I math	800	x20022
1045H	Self-exploration math	2400	x377
1045F	Shady Lady geometry, math	3400	x102
1045D	Interstellar battle math, probabilities, trees	2200	x685
1043F	Make It One bitmasks, combinatorics, dp, math, number theory, shortest paths	2500	x2422
1043E	Train Hard, Win Easy constructive algorithms, greedy, math, sortings	1900	x2780
1043D	Mysterious Crime brute force, combinatorics, math, meet-in-the-middle, two pointers	1700	x4465
1043A	Elections implementation, math	800	x10823
1042E	Vasya and Magic Matrix dp, math, probabilities	2300	x1810
1042C	Array Product constructive algorithms, greedy, math	1700	x4729
1041F	Ray in the tube data structures, divide and conquer, dp, math	2500	x1505
1041B	Buying a TV Set math	1000	x14074
1040B	Shashlik Cooking dp, greedy, math	1300	x7131
1039C	Network Safety dfs and similar, dsu, graphs, math, sortings	2200	x1364
1039A	Timetable constructive algorithms, data structures, greedy, math	2300	x789
1038B	Non-Coprime Partition constructive algorithms, math	1100	x13657
1037F	Maximum Reduction combinatorics, data structures, math	2500	x1150
1037A	Packets constructive algorithms, greedy, math	1300	x11223
1036F	Relatively Prime Powers combinatorics, math, number theory	2400	x1618
1036B	Diagonal Walking v.2 math	1600	x5723
1036A	Function Height math	1000	x10182
1034E	Little C Loves 3 III bitmasks, dp, math	3200	x644
1033F	Boolean Computer bitmasks, brute force, fft, math	2800	x393
1033D	Divisors interactive, math, number theory	2000	x2406
1033B	Square Difference math, number theory	1100	x9919
1032E	The Unbearable Lightness of Weights dp, math	2100	x1692
1031F	Familiar Operations brute force, graphs, math	2800	x280
1031A	Golden Plate implementation, math	800	x12918
1029F	Multicolored Markers binary search, brute force, math, number theory	2000	x2587
1029D	Concatenated Multiples implementation, math	1900	x3894
1029C	Maximal Intersection greedy, math, sortings	1600	x7602
1029B	Creating the Contest dp, greedy, math	1200	x17062
1028H	Make Square math	2900	x496
1028B	Unnatural Conditions constructive algorithms, math	1200	x9125
1027G	X-mouse in the Campus bitmasks, math, number theory	2600	x310
1027E	Inverse Coloring combinatorics, dp, math	2100	x2141
1027B	Numbers on the Chessboard implementation, math	1200	x8403
1025G	Company Acquisitions constructive algorithms, math	3200	x736
1025D	Recovering BST brute force, dp, math, number theory, trees	2100	x3672
1023B	Pair of Toys math	1000	x10915
1020A	New Building for SIS math	1000	x9011
1017F	The Neutral Zone brute force, math	2500	x821
1017B	The Bits implementation, math	1200	x9171
1016G	Appropriate Team bitmasks, math, number theory	2700	x266
1016D	Vasya And The Matrix constructive algorithms, flows, math	1800	x4721
1016A	Death Note greedy, implementation, math	900	x14950
1013A	Piles With Stones math	800	x10992
1012E	Cycle sort dsu, math	3100	x331
1012A	Photo of The Sky brute force, implementation, math, sortings	1500	x6435
1010A	Fly binary search, math	1500	x8094
1009E	Intercity Travelling combinatorics, math, probabilities	2000	x3013
1009D	Relatively Prime Graph brute force, constructive algorithms, graphs, greedy, math	1700	x6269
1009C	Annoying Present greedy, math	1700	x5309
1007B	Pave the Parallelepiped bitmasks, brute force, combinatorics, math, number theory	2400	x955
1007A	Reorder the Array combinatorics, data structures, math, sortings, two pointers	1300	x12189
1004B	Sonya and Exhibition constructive algorithms, greedy, implementation, math	1300	x9520
1003C	Intense Heat brute force, implementation, math	1300	x10646
997C	Sky Full of Stars combinatorics, math	2500	x1739
997B	Roman Digits brute force, combinatorics, dp, greedy, math	2000	x2985
997A	Convert to Ones brute force, greedy, implementation, math	1500	x8336