Problemset - Codeforces

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Educational Codeforces Round 173 (Rated for Div. 2)
43:28:07
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Problems

#	Name
185B	Mushroom Scientists math, ternary search	1800	x1670
185A	Plant math	1300	x5978
183E	Candy Shop greedy	2900	x140
183D	T-shirt dp, greedy, probabilities	2700	x406
183C	Cyclic Coloring dfs and similar	2200	x645
183B	Zoo brute force, geometry	1700	x700
183A	Headquarters constructive algorithms, math	1700	x552
182E	Wooden Fence dp	1800	x1466
182D	Common Divisors brute force, hashing, implementation, math, strings	1400	x8153
182C	Optimal Sum data structures, greedy	2000	x746
182B	Vasya's Calendar implementation	1000	x6969
182A	Battlefield geometry, graphs, implementation, shortest paths	2200	x290
181B	Number of Triplets binary search, brute force	1300	x3069
181A	Series of Crimes brute force, geometry, implementation	800	x7337
180F	Mathematical Analysis Rocks! constructive algorithms, implementation, math	1200	x2542
180E	Cubes binary search, dp, two pointers	1800	x1796
180D	Name greedy, strings	1900	x733
180C	Letter dp	1400	x7534
180B	Divisibility Rules math, number theory	2300	x355
180A	Defragmentation implementation	1800	x550
178F3	Representative Sampling	2500	x438
178F2	Representative Sampling dp, sortings, strings	2200	x355
178F1	Representative Sampling	1800	x408
178E3	The Beaver's Problem - 2	2300	x202
178E2	The Beaver's Problem - 2	2000	x233
178E1	The Beaver's Problem - 2	1900	x292
178D3	Magic Squares	2100	x250
178D2	Magic Squares	1900	x273
178D1	Magic Squares	1500	x648
178C3	Smart Beaver and Resolving Collisions	2000	x328
178C2	Smart Beaver and Resolving Collisions	1900	x310
178C1	Smart Beaver and Resolving Collisions	1600	x496
178B3	Greedy Merchants	1800	x1241
178B2	Greedy Merchants	1600	x683
178B1	Greedy Merchants	1600	x771
178A3	Educational Game greedy	1100	x1463
178A2	Educational Game greedy	1000	x1657
178A1	Educational Game	1000	x1638
177G2	Fibonacci Strings matrices, strings	2600	x206
177G1	Fibonacci Strings strings	2400	x189
177F2	Script Generation	2300	x211
177F1	Script Generation	1800	x306
177E2	Space Voyage binary search	1900	x436
177E1	Space Voyage binary search	1700	x623
177D2	Encrypting Messages data structures	1500	x2045
177D1	Encrypting Messages brute force	1200	x2196
177C2	Party brute force, dfs and similar, dsu, graphs	1500	x2603
177C1	Party dfs and similar, dsu, graphs	1500	x2603
177B2	Rectangular Game number theory	1200	x3059
177B1	Rectangular Game number theory	1000	x4217
177A2	Good Matrix Elements implementation	800	x7429
177A1	Good Matrix Elements implementation	800	x8845
176E	Archaeology data structures, dfs and similar, trees	3100	x1210
176D	Hyper String dp	2500	x327
176C	Playing with Superglue combinatorics, constructive algorithms	2000	x485
176B	Word Cut dp	1700	x1868
176A	Trading Business greedy, sortings	1200	x1518
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	x299
175C	Geometry Horse greedy, implementation, sortings, two pointers	1600	x1328
175B	Plane of Tanks: Pro implementation	1400	x1433
175A	Robot Bicorn Attack brute force, implementation	1400	x2418
174C	Range Increments data structures, greedy	1800	x1158
174B	File List dp, greedy, implementation	1400	x2295
174A	Problem About Equation math	1100	x2979
173E	Camping Groups data structures, sortings	2600	x570
173D	Deputies constructive algorithms, graphs, greedy, implementation	2500	x253
173C	Spiral Maximum brute force, dp	1900	x996
173B	Chamber of Secrets dfs and similar, shortest paths	1800	x3242
173A	Rock-Paper-Scissors implementation, math	1300	x2326
172E	BHTML+BCSS *special problem, dfs and similar, expression parsing	2200	x271
172D	Calendar Reform *special problem, number theory	1500	x1404
172C	Bus *special problem, implementation, sortings	1500	x1149
172B	Pseudorandom Sequence Period *special problem, implementation, number theory	1200	x2796
172A	Phone Code *special problem, brute force, implementation	800	x6204
171H	A polyline *special problem, implementation	1700	x285
171G	Mysterious numbers - 2 *special problem	1600	x938
171F	ucyhf *special problem, brute force, implementation, number theory	1600	x1289
171E	MYSTERIOUS LANGUAGE *special problem	2000	x1474
171D	Broken checker *special problem, brute force	1300	x2590
171C	A Piece of Cake *special problem, implementation	2000	x1099
171B	Star *special problem, combinatorics	1300	x4085
171A	Mysterious numbers - 1 *special problem, constructive algorithms	1200	x4511
169B	Replacing Digits greedy	1100	x3336
169A	Chores sortings	800	x7036
168B	Wizards and Minimal Spell implementation, strings	1700	x1224
168A	Wizards and Demonstration implementation, math	900	x10672
167E	Wizards and Bets dfs and similar, graphs, math, matrices	2900	x581
167D	Wizards and Roads data structures, divide and conquer, graph matchings, graphs, greedy	3000	x198
167C	Wizards and Numbers games, math	2300	x678
167B	Wizards and Huge Prize dp, math, probabilities	1800	x2177
167A	Wizards and Trolleybuses implementation, math	1600	x2047
166E	Tetrahedron dp, math, matrices	1500	x21602
166D	Shoe Store dp, graph matchings, greedy, sortings, two pointers	2500	x365
166C	Median greedy, math, sortings	1500	x6557
166B	Polygons geometry, sortings	2100	x2541
166A	Rank List binary search, implementation, sortings	1100	x18006
165E	Compatible Numbers bitmasks, brute force, dfs and similar, dp	2200	x7083
165D	Beard Graph data structures, dsu, trees	2100	x1690