Problemset - Codeforces

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Codeforces Round 946 (Div. 3)
15:16:46
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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	x1271
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	x8368
1108F	MST Unification binary search, dsu, graphs, greedy	2100	x2565
1108E2	Array and Segments (Hard version) data structures, implementation	2100	x2127
1108E1	Array and Segments (Easy version) brute force, greedy, implementation	1800	x4422
1108D	Diverse Garland constructive algorithms, dp, greedy	1400	x14715
1108C	Nice Garland brute force, greedy, math	1300	x11767
1108B	Divisors of Two Integers brute force, greedy, math, number theory	1100	x22467
1108A	Two distinct points implementation	800	x21187
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	x2155
1107D	Compression dp, implementation, math, number theory	1800	x3683
1107C	Brutality greedy, sortings, two pointers	1300	x9660
1107B	Digital root math, number theory	1000	x14854
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	x13961
1106C	Lunar New Year and Number Division greedy, implementation, math, sortings	900	x14297
1106B	Lunar New Year and Food Ordering data structures, implementation	1500	x6685
1106A	Lunar New Year and Cross Counting implementation	800	x12284
1105E	Helping Hiasat bitmasks, brute force, dp, meet-in-the-middle	2200	x1594
1105D	Kilani and the Game dfs and similar, graphs, implementation, shortest paths	1900	x3995
1105C	Ayoub and Lost Array combinatorics, dp, math	1500	x10155
1105B	Zuhair and Strings brute force, implementation, strings	1100	x9798
1105A	Salem and Sticks brute force, implementation	1100	x10795
1104B	Game with string data structures, implementation, math	1200	x14502
1104A	Splitting into digits constructive algorithms, implementation, math	800	x15169
1103E	Radix sum fft, math, number theory	3400	x221
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	x9603
1102F	Elongated Matrix binary search, bitmasks, brute force, dp, graphs	2000	x1915
1102E	Monotonic Renumeration combinatorics, sortings	1700	x5667
1102D	Balanced Ternary String greedy, strings	1500	x7833
1102C	Doors Breaking and Repairing games	1200	x12803
1102B	Array K-Coloring greedy, sortings	1400	x10177
1102A	Integer Sequence Dividing math	800	x23488
1101G	(Zero XOR Subset)-less math, matrices	2300	x1609
1101F	Trucks and Cities binary search, dp	2400	x1269
1101E	Polycarp's New Job implementation	1500	x7724
1101D	GCD Counting data structures, dfs and similar, dp, number theory, trees	2000	x4430
1101C	Division and Union sortings	1500	x7594
1101B	Accordion greedy, implementation	1300	x10375
1101A	Minimum Integer math	1000	x16728
1100F	Ivan and Burgers data structures, divide and conquer, greedy, math	2500	x2125
1100E	Andrew and Taxi binary search, dfs and similar, graphs	2200	x2296
1100D	Dasha and Chess constructive algorithms, games, interactive	2500	x833
1100C	NN and the Optical Illusion binary search, geometry, math	1200	x9736
1100B	Build a Contest data structures, implementation	1300	x10913
1100A	Roman and Browser implementation	1000	x10037
1099F	Cookies binary search, data structures, dfs and similar, dp, games, trees	2400	x908
1099C	Postcard constructive algorithms, implementation	1200	x9415
1099B	Squares and Segments binary search, constructive algorithms, math	1100	x10993
1099A	Snowball implementation	800	x12765
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	x868
1098B	Nice table brute force, constructive algorithms, greedy, math	2100	x1466
1098A	Sum in the tree constructive algorithms, dfs and similar, greedy, trees	1600	x8371
1097H	Mateusz and an Infinite Sequence bitmasks, brute force, dp, strings	3400	x93
1097G	Vladislav and a Great Legend combinatorics, dp, trees	3000	x669
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	x2563
1097C	Yuhao and a Parenthesis greedy, implementation	1400	x8330
1097B	Petr and a Combination Lock bitmasks, brute force, dp	1200	x26742
1097A	Gennady and a Card Game brute force, implementation	800	x37150
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	x884
1096D	Easy Problem dp	1800	x7717
1096C	Polygon for the Angle brute force, geometry	1600	x6672
1096B	Substring Removal combinatorics, math, strings	1300	x10346
1096A	Find Divisible greedy, implementation, math	800	x18434
1095F	Make It Connected dsu, graphs, greedy	1900	x5874
1095E	Almost Regular Bracket Sequence implementation	1900	x4016
1095D	Circular Dance implementation	1600	x7348
1095C	Powers Of Two bitmasks, greedy	1400	x15834
1095B	Array Stabilization implementation	900	x21249
1095A	Repeating Cipher implementation	800	x29539
1093G	Multidimensional Queries bitmasks, data structures	2300	x1826
1093F	Vasya and Array dp	2400	x976
1093E	Intersection of Permutations data structures	2400	x1488
1093D	Beautiful Graph dfs and similar, graphs	1700	x8500
1093C	Mishka and the Last Exam greedy	1300	x9284
1093B	Letters Rearranging constructive algorithms, greedy, sortings, strings	900	x16202
1093A	Dice Rolling math	800	x17572
1092F	Tree with Maximum Cost dfs and similar, dp, trees	1900	x7258
1092E	Minimal Diameter Forest constructive algorithms, dfs and similar, greedy, trees	2000	x1626
1092D2	Great Vova Wall (Version 2) data structures, implementation	2200	x2847
1092D1	Great Vova Wall (Version 1) greedy, implementation, math	2200	x4472
1092C	Prefixes and Suffixes strings	1700	x5790
1092B	Teams Forming sortings	800	x25749