Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 946 (Div. 3)
2 days
Register now »

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
1109E	Sasha and a Very Easy Test data structures, number theory	2700	x494
1109D	Sasha and Interesting Fact from Graph Theory brute force, combinatorics, dp, math, trees	2400	x1270
1109C	Sasha and a Patient Friend binary search, data structures, implementation	2800	x246
1109B	Sasha and One More Name constructive algorithms, hashing, strings	1800	x4271
1109A	Sasha and a Bit of Relax dp, implementation	1600	x8367
1108F	MST Unification binary search, dsu, graphs, greedy	2100	x2565
1108E2	Array and Segments (Hard version) data structures, implementation	2100	x2125
1108E1	Array and Segments (Easy version) brute force, greedy, implementation	1800	x4421
1108D	Diverse Garland constructive algorithms, dp, greedy	1400	x14710
1108C	Nice Garland brute force, greedy, math	1300	x11764
1108B	Divisors of Two Integers brute force, greedy, math, number theory	1100	x22454
1108A	Two distinct points implementation	800	x21178
1107G	Vasya and Maximum Profit binary search, constructive algorithms, data structures, dp, dsu	2400	x990
1107F	Vasya and Endless Credits dp, flows, graph matchings, graphs, sortings	2600	x725
1107E	Vasya and Binary String dp	2400	x2154
1107D	Compression dp, implementation, math, number theory	1800	x3683
1107C	Brutality greedy, sortings, two pointers	1300	x9658
1107B	Digital root math, number theory	1000	x14849
1107A	Digits Sequence Dividing greedy, strings	900	x11889
1106F	Lunar New Year and a Recursive Sequence math, matrices, number theory	2400	x949
1106E	Lunar New Year and Red Envelopes data structures, dp	2100	x2318
1106D	Lunar New Year and a Wander data structures, dfs and similar, graphs, greedy, shortest paths	1500	x13955
1106C	Lunar New Year and Number Division greedy, implementation, math, sortings	900	x14294
1106B	Lunar New Year and Food Ordering data structures, implementation	1500	x6684
1106A	Lunar New Year and Cross Counting implementation	800	x12283
1105E	Helping Hiasat bitmasks, brute force, dp, meet-in-the-middle	2200	x1593
1105D	Kilani and the Game dfs and similar, graphs, implementation, shortest paths	1900	x3994
1105C	Ayoub and Lost Array combinatorics, dp, math	1500	x10154
1105B	Zuhair and Strings brute force, implementation, strings	1100	x9797
1105A	Salem and Sticks brute force, implementation	1100	x10794
1104B	Game with string data structures, implementation, math	1200	x14501
1104A	Splitting into digits constructive algorithms, implementation, math	800	x15168
1103E	Radix sum fft, math, number theory	3400	x220
1103D	Professional layer bitmasks, dp	3100	x400
1103C	Johnny Solving constructive algorithms, dfs and similar, graphs, math	2700	x779
1103B	Game with modulo binary search, constructive algorithms, interactive	2000	x3170
1103A	Grid game constructive algorithms, implementation	1400	x9600
1102F	Elongated Matrix binary search, bitmasks, brute force, dp, graphs	2000	x1913
1102E	Monotonic Renumeration combinatorics, sortings	1700	x5664
1102D	Balanced Ternary String greedy, strings	1500	x7832
1102C	Doors Breaking and Repairing games	1200	x12799
1102B	Array K-Coloring greedy, sortings	1400	x10174
1102A	Integer Sequence Dividing math	800	x23474
1101G	(Zero XOR Subset)-less math, matrices	2300	x1609
1101F	Trucks and Cities binary search, dp	2400	x1268
1101E	Polycarp's New Job implementation	1500	x7723
1101D	GCD Counting data structures, dfs and similar, dp, number theory, trees	2000	x4428
1101C	Division and Union sortings	1500	x7589
1101B	Accordion greedy, implementation	1300	x10374
1101A	Minimum Integer math	1000	x16727
1100F	Ivan and Burgers data structures, divide and conquer, greedy, math	2500	x2125
1100E	Andrew and Taxi binary search, dfs and similar, graphs	2200	x2295
1100D	Dasha and Chess constructive algorithms, games, interactive	2500	x833
1100C	NN and the Optical Illusion binary search, geometry, math	1200	x9734
1100B	Build a Contest data structures, implementation	1300	x10902
1100A	Roman and Browser implementation	1000	x10037
1099F	Cookies binary search, data structures, dfs and similar, dp, games, trees	2400	x907
1099C	Postcard constructive algorithms, implementation	1200	x9410
1099B	Squares and Segments binary search, constructive algorithms, math	1100	x10991
1099A	Snowball implementation	800	x12761
1098F	Ж-function string suffix structures, strings	3500	x217
1098E	Fedya the Potter binary search, implementation, math, number theory	3400	x212
1098D	Eels data structures	2800	x707
1098C	Construct a tree binary search, constructive algorithms, dfs and similar, graphs, greedy, trees	2400	x867
1098B	Nice table brute force, constructive algorithms, greedy, math	2100	x1466
1098A	Sum in the tree constructive algorithms, dfs and similar, greedy, trees	1600	x8370
1097H	Mateusz and an Infinite Sequence bitmasks, brute force, dp, strings	3400	x93
1097G	Vladislav and a Great Legend combinatorics, dp, trees	3000	x666
1097F	Alex and a TV Show bitmasks, combinatorics, number theory	2500	x1214
1097E	Egor and an RPG game constructive algorithms, greedy	3400	x465
1097D	Makoto and a Blackboard dp, math, number theory, probabilities	2200	x2561
1097C	Yuhao and a Parenthesis greedy, implementation	1400	x8330
1097B	Petr and a Combination Lock bitmasks, brute force, dp	1200	x26715
1097A	Gennady and a Card Game brute force, implementation	800	x37113
1096G	Lucky Tickets divide and conquer, dp, fft	2400	x1383
1096F	Inversion Expectation dp, math, probabilities	2300	x1564
1096E	The Top Scorer combinatorics, dp, math, probabilities	2500	x878
1096D	Easy Problem dp	1800	x7709
1096C	Polygon for the Angle brute force, geometry	1600	x6672
1096B	Substring Removal combinatorics, math, strings	1300	x10344
1096A	Find Divisible greedy, implementation, math	800	x18427
1095F	Make It Connected dsu, graphs, greedy	1900	x5871
1095E	Almost Regular Bracket Sequence implementation	1900	x4015
1095D	Circular Dance implementation	1600	x7346
1095C	Powers Of Two bitmasks, greedy	1400	x15818
1095B	Array Stabilization implementation	900	x21238
1095A	Repeating Cipher implementation	800	x29521
1093G	Multidimensional Queries bitmasks, data structures	2300	x1825
1093F	Vasya and Array dp	2400	x976
1093E	Intersection of Permutations data structures	2400	x1487
1093D	Beautiful Graph dfs and similar, graphs	1700	x8498
1093C	Mishka and the Last Exam greedy	1300	x9282
1093B	Letters Rearranging constructive algorithms, greedy, sortings, strings	900	x16193
1093A	Dice Rolling math	800	x17568
1092F	Tree with Maximum Cost dfs and similar, dp, trees	1900	x7241
1092E	Minimal Diameter Forest constructive algorithms, dfs and similar, greedy, trees	2000	x1626
1092D2	Great Vova Wall (Version 2) data structures, implementation	2200	x2843
1092D1	Great Vova Wall (Version 1) greedy, implementation, math	2200	x4469
1092C	Prefixes and Suffixes strings	1700	x5788
1092B	Teams Forming sortings	800	x25705