Problemset - Codeforces

→ Pay attention

Before contest
CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!)
09:23:59
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
183C	Cyclic Coloring dfs and similar	2200	x621
183B	Zoo brute force, geometry	1700	x698
183A	Headquarters constructive algorithms, math	1700	x550
182E	Wooden Fence dp	1800	x1463
182D	Common Divisors brute force, hashing, implementation, math, strings	1400	x8106
182C	Optimal Sum data structures, greedy	2000	x742
182A	Battlefield geometry, graphs, implementation, shortest paths	2200	x288
180E	Cubes binary search, dp, two pointers	1800	x1786
180D	Name greedy, strings	1900	x732
180C	Letter dp	1400	x7474
180B	Divisibility Rules math, number theory	2300	x349
180A	Defragmentation implementation	1800	x541
178F3	Representative Sampling	2500	x434
178F2	Representative Sampling dp, sortings, strings	2200	x351
178F1	Representative Sampling	1800	x404
178E3	The Beaver's Problem - 2	2300	x201
178E2	The Beaver's Problem - 2	2000	x230
178E1	The Beaver's Problem - 2	1900	x289
178D3	Magic Squares	2100	x250
178D2	Magic Squares	1900	x273
178D1	Magic Squares	1500	x646
178C3	Smart Beaver and Resolving Collisions	2000	x324
178C2	Smart Beaver and Resolving Collisions	1900	x307
178C1	Smart Beaver and Resolving Collisions	1600	x493
178B3	Greedy Merchants	1800	x1230
178B2	Greedy Merchants	1600	x683
178B1	Greedy Merchants	1600	x765
177G2	Fibonacci Strings matrices, strings	2600	x204
177G1	Fibonacci Strings strings	2400	x189
177F2	Script Generation	2300	x210
177F1	Script Generation	1800	x305
177E2	Space Voyage binary search	1900	x433
177E1	Space Voyage binary search	1700	x617
177D2	Encrypting Messages data structures	1500	x2007
177C2	Party brute force, dfs and similar, dsu, graphs	1500	x2582
177C1	Party dfs and similar, dsu, graphs	1500	x2588
176E	Archaeology data structures, dfs and similar, trees	3100	x1195
176D	Hyper String dp	2500	x327
176C	Playing with Superglue combinatorics, constructive algorithms	2000	x482
176B	Word Cut dp	1700	x1837
175F	Gnomes of Might and Magic data structures, graphs, implementation, shortest paths	3000	x66
175E	Power Defence brute force, dp, geometry, greedy	2600	x266
175D	Plane of Tanks: Duel brute force, dp, math, probabilities	2400	x297
175C	Geometry Horse greedy, implementation, sortings, two pointers	1600	x1320
175B	Plane of Tanks: Pro implementation	1400	x1427
175A	Robot Bicorn Attack brute force, implementation	1400	x2403
174C	Range Increments data structures, greedy	1800	x1102
174B	File List dp, greedy, implementation	1400	x2253
173E	Camping Groups data structures, sortings	2600	x564
173D	Deputies constructive algorithms, graphs, greedy, implementation	2500	x250
173C	Spiral Maximum brute force, dp	1900	x989
173B	Chamber of Secrets dfs and similar, shortest paths	1800	x3174
172E	BHTML+BCSS *special problem, dfs and similar, expression parsing	2200	x271
172D	Calendar Reform *special problem, number theory	1500	x1402
172C	Bus *special problem, implementation, sortings	1500	x1147
171H	A polyline *special problem, implementation	1700	x282
171G	Mysterious numbers - 2 *special problem	1600	x933
171F	ucyhf *special problem, brute force, implementation, number theory	1600	x1284
171E	MYSTERIOUS LANGUAGE *special problem	2000	x1466
171C	A Piece of Cake *special problem, implementation	2000	x1095
168B	Wizards and Minimal Spell implementation, strings	1700	x1223
167E	Wizards and Bets dfs and similar, graphs, math, matrices	2900	x580
167D	Wizards and Roads data structures, divide and conquer, graph matchings, graphs, greedy	3000	x197
167C	Wizards and Numbers games, math	2300	x674
167B	Wizards and Huge Prize dp, math, probabilities	1800	x2170
167A	Wizards and Trolleybuses implementation, math	1600	x2044
166E	Tetrahedron dp, math, matrices	1500	x21329
166D	Shoe Store dp, graph matchings, greedy, sortings, two pointers	2500	x364
166C	Median greedy, math, sortings	1500	x6532
166B	Polygons geometry, sortings	2100	x2485
165E	Compatible Numbers bitmasks, brute force, dfs and similar, dp	2200	x6993
165D	Beard Graph data structures, dsu, trees	2100	x1672
165C	Another Problem on Strings binary search, brute force, dp, math, strings, two pointers	1600	x12373
165B	Burning Midnight Oil binary search, implementation	1500	x18214
164E	Polycarpus and Tasks	3100	x67
164D	Minimum Diameter binary search, brute force	3100	x244
164C	Machine Programming flows, graphs	2400	x901
164B	Ancient Berland Hieroglyphs two pointers	2000	x472
164A	Variable, or There and Back Again dfs and similar, graphs	1700	x1018
163E	e-Government data structures, dfs and similar, dp, strings, trees	2800	x1735
163D	Large Refrigerator brute force	2900	x507
163C	Conveyor sortings, two pointers	2100	x557
163B	Lemmings binary search	2000	x1066
163A	Substring and Subsequence dp	1700	x2715
162J	Brackets *special problem	1800	x96
162I	Truncatable primes *special problem	2000	x77
162H	Alternating case *special problem	1800	x220
162G	Non-decimal sum *special problem	2000	x65
162F	Factorial zeros *special problem	1800	x202
162E	HQ9+ *special problem	1800	x178
162D	Remove digits *special problem	1900	x228
162C	Prime factorization *special problem	1800	x819
162B	Binary notation *special problem	1800	x313
161E	Polycarpus the Safecracker brute force, dp	2500	x469
161D	Distance in Tree dfs and similar, dp, trees	1800	x15151
161C	Abracadabra divide and conquer	2400	x653
161B	Discounts constructive algorithms, greedy, sortings	1700	x1960
160E	Buses and People binary search, data structures, sortings	2400	x592
160D	Edges in MST dfs and similar, dsu, graphs, sortings	2300	x2792
160C	Find Pair implementation, math, sortings	1700	x3458