Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 959 sponsored by NEAR (Div. 1 + Div. 2)
04:13:01
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
207D6	The Beaver's Problem - 3	2100	x80
207D4	The Beaver's Problem - 3	2100	x149
207D3	The Beaver's Problem - 3	2000	x136
207D2	The Beaver's Problem - 3	2000	x105
207D10	The Beaver's Problem - 3	2100	x82
207C2	Game with Two Trees	2200	x80
207C1	Game with Two Trees	2100	x104
207A3	Beaver's Calculator 1.0 greedy	2000	x206
204D	Little Elephant and Retro Strings dp	2400	x446
204C	Little Elephant and Furik and Rubik math, probabilities	2000	x1090
203E	Transportation greedy, sortings, two pointers	2300	x279
201C	Fragile Bridges dp	2000	x1303
200E	Tractor College implementation, math, number theory, ternary search	2400	x340
200A	Cinema brute force, data structures	2400	x675
198E	Gripping Story binary search, data structures, sortings	2400	x405
198C	Delivering Carcinogen binary search, geometry	2400	x370
196C	Paint Tree constructive algorithms, divide and conquer, geometry, sortings, trees	2200	x807
196B	Infinite Maze dfs and similar, graphs	2000	x2150
195E	Building Forest data structures, dsu, graphs	2000	x693
193C	Hamming Distance constructive algorithms, greedy, math, matrices	2400	x508
193B	Xor brute force	2000	x999
191E	Thwarting Demonstrations binary search, data structures, trees	2200	x818
190E	Counter Attack data structures, dsu, graphs, hashing, sortings	2100	x1466
187C	Weak Memory dfs and similar, dsu	2000	x1307
185C	Clever Fat Rat dp	2500	x133
183C	Cyclic Coloring dfs and similar	2200	x603
182C	Optimal Sum data structures, greedy	2000	x713
182A	Battlefield geometry, graphs, implementation, shortest paths	2200	x280
180B	Divisibility Rules math, number theory	2300	x331
178F3	Representative Sampling	2500	x412
178F2	Representative Sampling dp, sortings, strings	2200	x322
178E3	The Beaver's Problem - 2	2300	x201
178E2	The Beaver's Problem - 2	2000	x230
178D3	Magic Squares	2100	x242
178C3	Smart Beaver and Resolving Collisions	2000	x299
177G1	Fibonacci Strings strings	2400	x170
177F2	Script Generation	2300	x204
176D	Hyper String dp	2500	x305
176C	Playing with Superglue combinatorics, constructive algorithms	2000	x470
175D	Plane of Tanks: Duel brute force, dp, math, probabilities	2400	x296
173D	Deputies constructive algorithms, graphs, greedy, implementation	2500	x247
172E	BHTML+BCSS *special problem, dfs and similar, expression parsing	2200	x269
171E	MYSTERIOUS LANGUAGE *special problem	2000	x1435
171C	A Piece of Cake *special problem, implementation	2000	x1068
167C	Wizards and Numbers games, math	2300	x659
166D	Shoe Store dp, graph matchings, greedy, sortings, two pointers	2500	x349
166B	Polygons geometry, sortings	2100	x2374
165E	Compatible Numbers bitmasks, brute force, dfs and similar, dp	2200	x6451
165D	Beard Graph data structures, dsu, trees	2100	x1608
164C	Machine Programming flows, graphs	2400	x887
164B	Ancient Berland Hieroglyphs two pointers	2000	x451
163C	Conveyor sortings, two pointers	2100	x538
163B	Lemmings binary search	2000	x1048
162I	Truncatable primes *special problem	2000	x75
162G	Non-decimal sum *special problem	2000	x60
161E	Polycarpus the Safecracker brute force, dp	2500	x464
161C	Abracadabra divide and conquer	2400	x643
160E	Buses and People binary search, data structures, sortings	2400	x580
160D	Edges in MST dfs and similar, dsu, graphs, sortings	2300	x2419
156D	Clues combinatorics, graphs	2500	x1509
156C	Cipher combinatorics, dp	2000	x2334
154D	Flatland Fencing games, math	2400	x423
154C	Double Profiles graphs, hashing, sortings	2300	x2728
153E	Euclidean Distance *special problem	2100	x78
153D	Date Change *special problem	2000	x82
153C	Caesar Cipher *special problem	2200	x372
152E	Garden bitmasks, dp, graphs, trees	2500	x466
150C	Smart Cheater data structures, math, probabilities	2200	x638
149E	Martian Strings string suffix structures, strings	2300	x2060
147B	Smile House binary search, graphs, matrices	2500	x764
145E	Lucky Queries data structures	2400	x2998
145C	Lucky Subsequence combinatorics, dp, math	2100	x1897
144E	Competition data structures, greedy	2200	x573
142C	Help Caretaker brute force, dp	2300	x907
141E	Clearing Up constructive algorithms, dp, dsu, graphs	2300	x917
141D	Take-off Ramps graphs, shortest paths	2300	x888
138D	World of Darkraft dp, games	2500	x478
138C	Mushroom Gnomes - 2 binary search, data structures, probabilities, sortings	2200	x847
137E	Last Chance data structures, implementation, strings	2000	x1200
135D	Cycle brute force, dfs and similar, implementation	2500	x295
134C	Swaps constructive algorithms, graphs, greedy	2200	x465
132D	Constants in the language of Shakespeare constructive algorithms, dp, greedy	2100	x608
132B	Piet implementation	2100	x659
131F	Present to Mom binary search, two pointers	2000	x636
130I	Array sorting *special problem, sortings	2300	x166
128D	Numbers constructive algorithms, implementation	2000	x1097
128C	Games with Rectangle combinatorics, dp	2000	x2748
128B	String brute force, constructive algorithms, hashing, implementation, string suffix structures, strings	2100	x2484
126D	Fibonacci Sums dp, math	2300	x813
126C	E-reader Display constructive algorithms, greedy	2000	x715
125E	MST Company binary search, graphs	2400	x1040
125D	Two progressions constructive algorithms, greedy	2200	x394
123E	Maze dfs and similar, dp, probabilities, trees	2500	x702
123D	String string suffix structures	2300	x1191
123C	Brackets combinatorics, dp, greedy	2300	x597
121E	Lucky Array data structures	2400	x1679
121D	Lucky Segments binary search, implementation, two pointers	2500	x273
120I	Luck is in Numbers greedy	2200	x303
119E	Alternative Reality geometry	2400	x94
119D	String Transformation hashing, strings	2500	x482