Problemset - Codeforces

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Problems

#	Name
1089K	King Kog's Reception data structures	2400	x1081
1089J	JS Minification greedy, implementation	3200	x120
1089I	Interval-Free Permutations combinatorics	2600	x367
1089H	Harder Satisfiability 2-sat, dfs and similar, graphs	3400	x106
1089G	Guest Student math	1500	x2850
1089F	Fractions math	1900	x1897
1089E	Easy Chess constructive algorithms	1700	x1960
1089D	Distance Sum graphs	3100	x98
1089C	Cactus Search interactive	2500	x401
1089B	Bimatching graphs	3200	x214
1089A	Alice the Fan dp	2200	x1112
1088F	Ehab and a weird weight formula data structures, trees	2800	x488
1088E	Ehab and a component choosing problem dp, greedy, math, trees	2400	x1400
1088D	Ehab and another another xor problem bitmasks, constructive algorithms, implementation, interactive	2000	x2759
1088C	Ehab and a 2-operation task constructive algorithms, greedy, math	1400	x7935
1088B	Ehab and subtraction implementation, sortings	1000	x12347
1088A	Ehab and another construction problem brute force, constructive algorithms	800	x16430
1086F	Forest Fires math	3500	x224
1085G	Beautiful Matrix combinatorics, data structures, dp	2900	x506
1085F	Rock-Paper-Scissors Champion	2500	x575
1085E	Vasya and Templates greedy, implementation, strings	2300	x856
1085D	Minimum Diameter Tree constructive algorithms, implementation, trees	1700	x5287
1085C	Connect Three implementation, math	1600	x5363
1085B	Div Times Mod math	1100	x9170
1085A	Right-Left Cipher implementation, strings	800	x12060
1084C	The Fair Nut and String combinatorics, dp, implementation	1500	x7522
1084B	Kvass and the Fair Nut greedy, implementation	1200	x7692
1084A	The Fair Nut and Elevator brute force, implementation	1000	x7813
1083F	The Fair Nut and Amusing Xor data structures	3300	x265
1083E	The Fair Nut and Rectangles data structures, dp, geometry	2400	x3803
1083D	The Fair Nut's getting crazy data structures, implementation	3500	x226
1083C	Max Mex data structures, trees	2900	x837
1083B	The Fair Nut and Strings greedy, strings	2000	x1845
1083A	The Fair Nut and the Best Path data structures, dp, trees	1800	x5195
1082G	Petya and Graph flows, graphs	2400	x1924
1082F	Speed Dial dp, strings, trees	2800	x408
1082E	Increasing Frequency binary search, dp, greedy	2000	x4024
1082D	Maximum Diameter Graph constructive algorithms, graphs, implementation	1800	x3544
1082C	Multi-Subject Competition greedy, sortings	1600	x5505
1082B	Vova and Trophies greedy	1600	x7406
1082A	Vasya and Book implementation, math	1200	x8419
1081H	Palindromic Magic data structures, hashing, strings	3500	x97
1081G	Mergesort Strikes Back math, probabilities	3200	x339
1081F	Tricky Interactor constructive algorithms, implementation, interactive	2600	x445
1081E	Missing Numbers binary search, constructive algorithms, greedy, math, number theory	1900	x2532
1081D	Maximum Distance dsu, graphs, shortest paths, sortings	1800	x3878
1081C	Colorful Bricks combinatorics, dp, math	1500	x7045
1081B	Farewell Party constructive algorithms, implementation	1500	x4386
1081A	Definite Game constructive algorithms, math	800	x11885
1080F	Katya and Segments Sets data structures, interactive, sortings	2400	x670
1080E	Sonya and Matrix Beauty strings	2400	x887
1080D	Olya and magical square constructive algorithms, implementation, math	2000	x1519
1080C	Masha and two friends implementation	1500	x3986
1080B	Margarite and the best present math	900	x11518
1080A	Petya and Origami math	800	x17786
1078E	Negative Time Summation constructive algorithms	3400	x86
1077F2	Pictures with Kittens (hard version) data structures, dp	2100	x2882
1077F1	Pictures with Kittens (easy version) dp	1900	x3984
1077E	Thematic Contests greedy, sortings	1800	x4354
1077D	Cutting Out binary search, sortings	1600	x8313
1077C	Good Array	1300	x15296
1077B	Disturbed People greedy	1000	x18283
1077A	Frog Jumping math	800	x29045
1076G	Array Game data structures, games	3000	x454
1076F	Summer Practice Report dp, greedy	2500	x619
1076E	Vasya and a Tree data structures, trees	1900	x3611
1076D	Edge Deletion graphs, greedy, shortest paths	1800	x4895
1076C	Meme Problem binary search, math	1300	x12090
1076B	Divisor Subtraction implementation, math, number theory	1200	x12535
1076A	Minimizing the String greedy, strings	1200	x12837
1075B	Taxi drivers and Lyft implementation, sortings	1200	x4187
1075A	The King's Race implementation, math	800	x8328
1073G	Yet Another LCP Problem data structures, string suffix structures	2600	x864
1073F	Choosing Two Paths dfs and similar, dp, greedy, trees	2500	x520
1073E	Segment Sum bitmasks, combinatorics, dp, math	2300	x2384
1073D	Berland Fair binary search, brute force, data structures, greedy	1700	x6318
1073C	Vasya and Robot binary search, two pointers	1800	x4549
1073B	Vasya and Books implementation, math	1000	x10410
1073A	Diverse Substring implementation, strings	1000	x14871
1071E	Rain Protection binary search, geometry	3500	x90
1070M	Algoland and Berland constructive algorithms, divide and conquer, geometry	3000	x64
1070L	Odd Federalization constructive algorithms	2600	x280
1070K	Video Posts implementation	1100	x4829
1070J	Streets and Avenues in Berhattan dp	2300	x678
1070I	Privatization of Roads in Berland flows, graph matchings, graphs	2400	x532
1070H	BerOS File Suggestion brute force, implementation	1500	x3613
1070G	Monsters and Potions brute force, dp, greedy, implementation	2300	x814
1070F	Debate greedy	1500	x3569
1070E	Getting Deals Done binary search, data structures	2100	x1191
1070D	Garbage Disposal greedy	1300	x4850
1070C	Cloud Computing data structures, greedy	2000	x1995
1070B	Berkomnadzor data structures, greedy	2400	x469
1070A	Find a Number dp, graphs, number theory, shortest paths	2200	x2260
1068C	Colored Rooks constructive algorithms, graphs	1700	x3116
1068B	LCM math, number theory	1200	x11088
1068A	Birthday math	1400	x6628
1067E	Random Forest Rank dp, graph matchings, math, trees	2800	x421
1067D	Computer Game dp, greedy, math, probabilities	3100	x354
1067C	Knights constructive algorithms	2600	x610
1067B	Multihedgehog dfs and similar, graphs, shortest paths	1800	x2508