Problemset - Codeforces

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Codeforces Round (Div. 2)
4 days
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Problems

#	Name
198E	Gripping Story binary search, data structures, sortings	2400	x414
198D	Cube Snake constructive algorithms	2700	x105
198C	Delivering Carcinogen binary search, geometry	2400	x374
198B	Jumping on Walls shortest paths	1400	x4254
198A	About Bacteria implementation, math	1700	x3149
197B	Limit math	1400	x4634
197A	Plate Game constructive algorithms, games, math	1600	x6298
196E	Opening Portals dsu, graphs, shortest paths	2600	x924
196D	The Next Good String data structures, greedy, hashing, strings	2800	x531
196C	Paint Tree constructive algorithms, divide and conquer, geometry, sortings, trees	2200	x960
196B	Infinite Maze dfs and similar, graphs	2000	x2207
196A	Lexicographically Maximum Subsequence greedy, strings	1100	x5395
195E	Building Forest data structures, dsu, graphs	2000	x701
195D	Analyzing Polyline geometry, math, sortings	1900	x1039
195C	Try and Catch expression parsing, implementation	1800	x1141
195B	After Training data structures, implementation, math	1300	x5196
195A	Let's Watch Football binary search, brute force, math	1000	x8973
194B	Square math	1200	x3515
194A	Exams implementation, math	900	x9864
193E	Fibonacci Number brute force, math, matrices	2900	x340
193D	Two Segments data structures	2900	x459
193C	Hamming Distance constructive algorithms, greedy, math, matrices	2400	x516
193B	Xor brute force	2000	x1009
193A	Cutting Figure constructive algorithms, graphs, trees	1700	x3994
192B	Walking in the Rain brute force, implementation	1100	x6250
192A	Funky Numbers binary search, brute force, implementation	1300	x10371
191E	Thwarting Demonstrations binary search, data structures, trees	2200	x842
191D	Metro Scheme graphs, greedy	2700	x364
191C	Fools and Roads data structures, dfs and similar, trees	1900	x7168
191B	Demonstration greedy	1700	x1008
191A	Dynasty Puzzles dp	1500	x3946
190E	Counter Attack data structures, dsu, graphs, hashing, sortings	2100	x1522
190D	Non-Secret Cypher two pointers	1900	x2302
190C	STL dfs and similar	1500	x2821
190B	Surrounded geometry	1800	x2831
190A	Vasya and the Bus greedy, math	1100	x5857
189B	Counting Rhombi brute force, math	1300	x3941
189A	Cut Ribbon brute force, dp	1300	x66473
188H	Stack *special problem, expression parsing, implementation	1800	x252
188G	Array Sorting *special problem, implementation	1600	x333
188F	Binary Notation *special problem, implementation	1400	x298
188E	HQ9+ *special problem, implementation	1400	x498
188D	Asterisks *special problem, implementation	1100	x680
188C	LCM *special problem, implementation, math	1400	x451
188B	A + Reverse B *special problem, implementation	1300	x730
188A	Hexagonal Numbers *special problem	1100	x775
187E	Heaven Tour data structures, greedy	2900	x99
187D	BRT Contract data structures	2800	x530
187C	Weak Memory dfs and similar, dsu	2000	x1331
187B	AlgoRace dp, shortest paths	1800	x1957
187A	Permutations greedy	1500	x2759
186B	Growing Mushrooms greedy, sortings	1200	x5564
186A	Comparing Strings implementation, strings	1100	x16844
185E	Soap Time! - 2 binary search, data structures	3000	x105
185D	Visit of the Great math, number theory	2600	x424
185C	Clever Fat Rat dp	2500	x136
185B	Mushroom Scientists math, ternary search	1800	x1635
185A	Plant math	1300	x5886
183E	Candy Shop greedy	2900	x135
183D	T-shirt dp, greedy, probabilities	2700	x402
183C	Cyclic Coloring dfs and similar	2200	x609
183B	Zoo brute force, geometry	1700	x696
183A	Headquarters constructive algorithms, math	1700	x547
182E	Wooden Fence dp	1800	x1454
182D	Common Divisors brute force, hashing, implementation, math, strings	1400	x8045
182C	Optimal Sum data structures, greedy	2000	x722
182B	Vasya's Calendar implementation	1000	x6927
182A	Battlefield geometry, graphs, implementation, shortest paths	2200	x281
181B	Number of Triplets binary search, brute force	1300	x3008
181A	Series of Crimes brute force, geometry, implementation	800	x7045
180F	Mathematical Analysis Rocks! constructive algorithms, implementation, math	1200	x2508
180E	Cubes binary search, dp, two pointers	1800	x1762
180D	Name greedy, strings	1900	x722
180C	Letter dp	1400	x7338
180B	Divisibility Rules math, number theory	2300	x344
180A	Defragmentation implementation	1800	x536
178F3	Representative Sampling	2500	x428
178F2	Representative Sampling dp, sortings, strings	2200	x346
178F1	Representative Sampling	1800	x402
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	x245
178D2	Magic Squares	1900	x268
178D1	Magic Squares	1500	x636
178C3	Smart Beaver and Resolving Collisions	2000	x300
178C2	Smart Beaver and Resolving Collisions	1900	x292
178C1	Smart Beaver and Resolving Collisions	1600	x475
178B3	Greedy Merchants	1800	x1194
178B2	Greedy Merchants	1600	x678
178B1	Greedy Merchants	1600	x760
178A3	Educational Game greedy	1100	x1437
178A2	Educational Game greedy	1000	x1624
178A1	Educational Game	1000	x1602
177G2	Fibonacci Strings matrices, strings	2600	x184
177G1	Fibonacci Strings strings	2400	x177
177F2	Script Generation	2300	x206
177F1	Script Generation	1800	x302
177E2	Space Voyage binary search	1900	x429
177E1	Space Voyage binary search	1700	x611