Problemset - Codeforces

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Problems

#	Name
1431F	Neural Network Problem *special problem, binary search, greedy	2100	x156
153B	Binary notation *special problem	1800	x156
1299E	So Mean interactive, math	3400	x155
859G	Circle of Numbers math	3000	x155
1320F	Blocks and Sensors brute force	3500	x154
1056H	Detect Robots data structures, strings	3200	x154
1012F	Passports dp, implementation	3400	x153
391E2	Three Trees		x153
317E	Princess and Her Shadow constructive algorithms, shortest paths	3100	x153
72E	Ali goes shopping *special problem, brute force, strings	1800	x153
1718F	Burenka, an Array and Queries data structures, math, number theory	3300	x152
1608G	Alphabetic Tree binary search, data structures, dfs and similar, hashing, string suffix structures, strings, trees	3500	x152
1510A	ASCII Automata Art	3100	x152
530G	Levenshtein distance *special problem	2100	x152
1787I	Treasure Hunt data structures, divide and conquer, two pointers	3400	x151
1530H	Turing's Award data structures, dp	3400	x151
1423M	Milutin's Plums interactive	2800	x151
1361F	Johnny and New Toy data structures, implementation, math	3300	x151
929D	Пограничные врата	2400	x151
470D	Caesar Cipher *special problem	1900	x151
1381E	Origami geometry, math, sortings	3300	x150
1158E	Strange device binary search, interactive, math, trees	3400	x150
852H	Bob and stages dp, geometry	3000	x150
316F2	Suns and Rays	2300	x150
74E	Shift It! constructive algorithms	2800	x150
1901F	Landscaping binary search, geometry, two pointers	2900	x149
1615G	Maximum Adjacent Pairs constructive algorithms, graph matchings	3300	x149
1423N	BubbleSquare Tokens	3500	x149
1167G	Low Budget Inception brute force, geometry	3100	x149
207D4	The Beaver's Problem - 3	2100	x149
1707F	Bugaboo bitmasks, constructive algorithms, dp, number theory	3500	x148
1578F	Framing Pictures geometry	2900	x148
871E	Restore the Tree graphs, greedy, trees	2900	x148
396E	On Iteration of One Well-Known Function math		x148
1990F	Polygonal Segments brute force, data structures, divide and conquer, dp, greedy, two pointers		x147
1930H	Interactive Mex Tree constructive algorithms, dfs and similar, interactive, trees	3300	x147
1534H	Lost Nodes constructive algorithms, dp, graphs, interactive, sortings, trees	3500	x147
1208H	Red Blue Tree data structures, implementation, trees	3500	x147
1116D5	Creeper		x147
549E	Sasha Circle geometry, math	2700	x147
720F	Array Covering data structures	3100	x146
683F	Reformat the String *special problem	1800	x146
1060G	Balls and Pockets data structures	3400	x145
717B	R3D3’s Summer Adventure dp, greedy	2700	x145
48F	Snow sellers greedy, sortings	2800	x145
1984H	Tower Capturing combinatorics, dp, geometry	3300	x144
1685E	The Ultimate LIS Problem data structures, greedy	3500	x144
1302B	DAG constructive algorithms		x144
1916G	Optimizations From Chelsu divide and conquer, dp, number theory, trees	3500	x143
1530G	What a Reversal constructive algorithms	3300	x143
1201E2	Knightmare (hard) graphs, interactive, shortest paths	3000	x143
1924F	Anti-Proxy Attendance constructive algorithms, dp, interactive, ternary search	3500	x142
1017H	The Films brute force	3300	x142
690E2	Photographs (II)	2600	x142
1267H	Help BerLine constructive algorithms	3200	x141
379G	New Year Cactus dp	3100	x141
1394E	Boboniu and Banknote Collection strings	3500	x140
786D	Rap God data structures, dfs and similar, hashing, strings, trees	3400	x140
1965F	Conference data structures, flows	3300	x139
1812H	Expected Twist *special problem, interactive		x139
1209H	Moving Walkways data structures, greedy, math	3300	x139
1184A3	Heidi Learns Hashing (Hard) fft, math, number theory	3100	x139
1071E	Rain Protection binary search, geometry	3500	x139
1423C	Dušan's Railway divide and conquer, graphs, trees	3500	x138
207D5	The Beaver's Problem - 3	1600	x138
105D	Entertaining Geodetics brute force, dsu, implementation	2700	x138
1919H	Tree Diameter interactive, trees	2000	x137
1779H	Olympic Team Building brute force, meet-in-the-middle	3500	x137
1599B	Restaurant Game	3100	x137
1503F	Balance the Cards constructive algorithms, data structures, divide and conquer, geometry, graphs, implementation	3500	x137
48H	Black and White constructive algorithms	2800	x137
1666G	Global Warming geometry, math	3100	x136
207D3	The Beaver's Problem - 3	2000	x136
1444E	Finding the Vertex brute force, dfs and similar, dp, interactive, trees	3500	x135
1356D1	Quantum Classification - 1 *special problem		x135
865G	Flowers and Chocolate combinatorics, math, matrices	3300	x135
662E	To Hack or not to Hack brute force, dp, greedy	3100	x135
100F	Polynom *special problem, implementation	1800	x135
1844H	Multiple of Three Cycles combinatorics, data structures, dp, dsu, math	3400	x134
1346G	Two IP Cameras *special problem, math, number theory	2300	x134
744E	Hongcow Masters the Cyclic Shift strings, two pointers	3200	x134
331D2	Escaping on Beaveractor graphs	2600	x134
183E	Candy Shop greedy	2900	x134
39I	Tram	2500	x134
1810H	Last Number combinatorics, math	2900	x133
1662E	Round Table math		x133
1662B	Toys greedy, strings		x133
477E	Dreamoon and Notepad data structures	3100	x133
391C2	The Tournament greedy		x133
185C	Clever Fat Rat dp	2500	x133
1906I	Contingency Plan 2 graph matchings	2900	x132
1774H	Maximum Permutation constructive algorithms	3500	x132
661C	Array Sum *special problem	2000	x132
1726F	Late For Work (submissions are not allowed) data structures, greedy, schedules, shortest paths	2900	x131
1580F	Problems for Codeforces combinatorics, fft, math	3300	x131
1116B1	Distinguish three-qubit states		x131
661D	Maximal Difference *special problem	2100	x131
472E	Design Tutorial: Learn from a Game constructive algorithms, implementation	2800	x131
1866F	Freak Joker Process binary search, data structures, sortings	3100	x130
1442F	Differentiating Games games, interactive	3400	x130