Problemset - Codeforces

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Educational Codeforces Round 167 (Rated for Div. 2)
18:06:05
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Problems

#	Name
194A	Exams implementation, math	900	x9705
193E	Fibonacci Number brute force, math, matrices	2900	x325
193D	Two Segments data structures	2900	x389
193C	Hamming Distance constructive algorithms, greedy, math, matrices	2400	x503
193B	Xor brute force	2000	x995
193A	Cutting Figure constructive algorithms, graphs, trees	1700	x3875
192B	Walking in the Rain brute force, implementation	1100	x6177
192A	Funky Numbers binary search, brute force, implementation	1300	x10201
191E	Thwarting Demonstrations binary search, data structures, trees	2200	x817
191D	Metro Scheme graphs, greedy	2700	x349
191C	Fools and Roads data structures, dfs and similar, trees	1900	x6885
191B	Demonstration greedy	1700	x999
191A	Dynasty Puzzles dp	1500	x3855
190E	Counter Attack data structures, dsu, graphs, hashing, sortings	2100	x1457
190D	Non-Secret Cypher two pointers	1900	x2249
190C	STL dfs and similar	1500	x2738
190B	Surrounded geometry	1800	x2802
190A	Vasya and the Bus greedy, math	1100	x5762
189B	Counting Rhombi brute force, math	1300	x3896
189A	Cut Ribbon brute force, dp	1300	x63879
188H	Stack *special problem, expression parsing, implementation	1800	x246
188G	Array Sorting *special problem, implementation	1600	x328
188F	Binary Notation *special problem, implementation	1400	x291
188E	HQ9+ *special problem, implementation	1400	x494
188D	Asterisks *special problem, implementation	1100	x662
188C	LCM *special problem, implementation, math	1400	x436
188B	A + Reverse B *special problem, implementation	1300	x711
188A	Hexagonal Numbers *special problem	1100	x767
187E	Heaven Tour data structures, greedy	2900	x96
187D	BRT Contract data structures	2800	x503
187C	Weak Memory dfs and similar, dsu	2000	x1303
187B	AlgoRace dp, shortest paths	1800	x1941
187A	Permutations greedy	1500	x2729
186B	Growing Mushrooms greedy, sortings	1200	x5375
186A	Comparing Strings implementation, strings	1100	x16397
185E	Soap Time! - 2 binary search, data structures	3000	x104
185D	Visit of the Great math, number theory	2600	x388
185C	Clever Fat Rat dp	2500	x131
185B	Mushroom Scientists math, ternary search	1800	x1607
185A	Plant math	1300	x5749
183E	Candy Shop greedy	2900	x133
183D	T-shirt dp, greedy, probabilities	2700	x400
183C	Cyclic Coloring dfs and similar	2200	x599
183B	Zoo brute force, geometry	1700	x681
183A	Headquarters constructive algorithms, math	1700	x534
182E	Wooden Fence dp	1800	x1439
182D	Common Divisors brute force, hashing, implementation, math, strings	1400	x7866
182C	Optimal Sum data structures, greedy	2000	x713
182B	Vasya's Calendar implementation	1000	x6830
182A	Battlefield geometry, graphs, implementation, shortest paths	2200	x280
181B	Number of Triplets binary search, brute force	1300	x2922
181A	Series of Crimes brute force, geometry, implementation	800	x6794
180F	Mathematical Analysis Rocks! constructive algorithms, implementation, math	1200	x2472
180E	Cubes binary search, dp, two pointers	1800	x1738
180D	Name greedy, strings	1900	x717
180C	Letter dp	1400	x7157
180B	Divisibility Rules math, number theory	2300	x329
180A	Defragmentation implementation	1800	x525
178F3	Representative Sampling	2500	x409
178F2	Representative Sampling dp, sortings, strings	2200	x320
178F1	Representative Sampling	1800	x378
178E3	The Beaver's Problem - 2	2300	x199
178E2	The Beaver's Problem - 2	2000	x228
178E1	The Beaver's Problem - 2	1900	x287
178D3	Magic Squares	2100	x238
178D2	Magic Squares	1900	x262
178D1	Magic Squares	1500	x617
178C3	Smart Beaver and Resolving Collisions	2000	x296
178C2	Smart Beaver and Resolving Collisions	1900	x283
178C1	Smart Beaver and Resolving Collisions	1600	x474
178B3	Greedy Merchants	1800	x1127
178B2	Greedy Merchants	1600	x648
178B1	Greedy Merchants	1600	x733
178A3	Educational Game greedy	1100	x1400
178A2	Educational Game greedy	1000	x1588
178A1	Educational Game	1000	x1565
177G2	Fibonacci Strings matrices, strings	2600	x175
177G1	Fibonacci Strings strings	2400	x167
177F2	Script Generation	2300	x198
177F1	Script Generation	1800	x294
177E2	Space Voyage binary search	1900	x409
177E1	Space Voyage binary search	1700	x587
177D2	Encrypting Messages data structures	1500	x1822
177D1	Encrypting Messages brute force	1200	x2086
177C2	Party brute force, dfs and similar, dsu, graphs	1500	x2475
177C1	Party dfs and similar, dsu, graphs	1500	x2482
177B2	Rectangular Game number theory	1200	x2852
177B1	Rectangular Game number theory	1000	x4023
177A2	Good Matrix Elements implementation	800	x7119
177A1	Good Matrix Elements implementation	800	x8322
176E	Archaeology data structures, dfs and similar, trees	3100	x1069
176D	Hyper String dp	2500	x305
176C	Playing with Superglue combinatorics, constructive algorithms	2000	x469
176B	Word Cut dp	1700	x1732
176A	Trading Business greedy, sortings	1200	x1423
175F	Gnomes of Might and Magic data structures, graphs, implementation, shortest paths	3000	x65
175E	Power Defence brute force, dp, geometry, greedy	2600	x261
175D	Plane of Tanks: Duel brute force, dp, math, probabilities	2400	x296
175C	Geometry Horse greedy, implementation, sortings, two pointers	1600	x1298
175B	Plane of Tanks: Pro implementation	1400	x1383