Problemset - Codeforces

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Codeforces Round (Div. 2)
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Problems

#	Name
177D2	Encrypting Messages data structures	1500	x1945
177D1	Encrypting Messages brute force	1200	x2157
177C2	Party brute force, dfs and similar, dsu, graphs	1500	x2559
177C1	Party dfs and similar, dsu, graphs	1500	x2552
177B2	Rectangular Game number theory	1200	x2930
177B1	Rectangular Game number theory	1000	x4129
177A2	Good Matrix Elements implementation	800	x7270
177A1	Good Matrix Elements implementation	800	x8615
176E	Archaeology data structures, dfs and similar, trees	3100	x1145
176D	Hyper String dp	2500	x323
176C	Playing with Superglue combinatorics, constructive algorithms	2000	x479
176B	Word Cut dp	1700	x1813
176A	Trading Business greedy, sortings	1200	x1462
175F	Gnomes of Might and Magic data structures, graphs, implementation, shortest paths	3000	x66
175E	Power Defence brute force, dp, geometry, greedy	2600	x264
175D	Plane of Tanks: Duel brute force, dp, math, probabilities	2400	x297
175C	Geometry Horse greedy, implementation, sortings, two pointers	1600	x1311
175B	Plane of Tanks: Pro implementation	1400	x1419
175A	Robot Bicorn Attack brute force, implementation	1400	x2381
174C	Range Increments data structures, greedy	1800	x1090
174B	File List dp, greedy, implementation	1400	x2235
174A	Problem About Equation math	1100	x2802
173E	Camping Groups data structures, sortings	2600	x554
173D	Deputies constructive algorithms, graphs, greedy, implementation	2500	x248
173C	Spiral Maximum brute force, dp	1900	x977
173B	Chamber of Secrets dfs and similar, shortest paths	1800	x3079
173A	Rock-Paper-Scissors implementation, math	1300	x2289
172E	BHTML+BCSS *special problem, dfs and similar, expression parsing	2200	x271
172D	Calendar Reform *special problem, number theory	1500	x1395
172C	Bus *special problem, implementation, sortings	1500	x1139
172B	Pseudorandom Sequence Period *special problem, implementation, number theory	1200	x2774
172A	Phone Code *special problem, brute force, implementation	800	x6108
171H	A polyline *special problem, implementation	1700	x279
171G	Mysterious numbers - 2 *special problem	1600	x921
171F	ucyhf *special problem, brute force, implementation, number theory	1600	x1271
171E	MYSTERIOUS LANGUAGE *special problem	2000	x1451
171D	Broken checker *special problem, brute force	1300	x2567
171C	A Piece of Cake *special problem, implementation	2000	x1080
171B	Star *special problem, combinatorics	1300	x4043
171A	Mysterious numbers - 1 *special problem, constructive algorithms	1200	x4440
169B	Replacing Digits greedy	1100	x3275
169A	Chores sortings	800	x6933
168B	Wizards and Minimal Spell implementation, strings	1700	x1217
168A	Wizards and Demonstration implementation, math	900	x10522
167E	Wizards and Bets dfs and similar, graphs, math, matrices	2900	x578
167D	Wizards and Roads data structures, divide and conquer, graph matchings, graphs, greedy	3000	x193
167C	Wizards and Numbers games, math	2300	x670
167B	Wizards and Huge Prize dp, math, probabilities	1800	x2148
167A	Wizards and Trolleybuses implementation, math	1600	x2036
166E	Tetrahedron dp, math, matrices	1500	x20979
166D	Shoe Store dp, graph matchings, greedy, sortings, two pointers	2500	x355
166C	Median greedy, math, sortings	1500	x6479
166B	Polygons geometry, sortings	2100	x2399
166A	Rank List binary search, implementation, sortings	1100	x17602
165E	Compatible Numbers bitmasks, brute force, dfs and similar, dp	2200	x6771
165D	Beard Graph data structures, dsu, trees	2100	x1642
165C	Another Problem on Strings binary search, brute force, dp, math, strings, two pointers	1600	x12229
165B	Burning Midnight Oil binary search, implementation	1500	x17748
165A	Supercentral Point implementation	1000	x23484
164E	Polycarpus and Tasks	3100	x67
164D	Minimum Diameter binary search, brute force	3100	x244
164C	Machine Programming flows, graphs	2400	x896
164B	Ancient Berland Hieroglyphs two pointers	2000	x453
164A	Variable, or There and Back Again dfs and similar, graphs	1700	x1010
163E	e-Government data structures, dfs and similar, dp, strings, trees	2800	x1705
163D	Large Refrigerator brute force	2900	x504
163C	Conveyor sortings, two pointers	2100	x541
163B	Lemmings binary search	2000	x1058
163A	Substring and Subsequence dp	1700	x2704
162J	Brackets *special problem	1800	x95
162I	Truncatable primes *special problem	2000	x77
162H	Alternating case *special problem	1800	x220
162G	Non-decimal sum *special problem	2000	x63
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	x788
162B	Binary notation *special problem	1800	x313
162A	Pentagonal numbers *special problem, implementation	1100	x803
161E	Polycarpus the Safecracker brute force, dp	2500	x467
161D	Distance in Tree dfs and similar, dp, trees	1800	x14742
161C	Abracadabra divide and conquer	2400	x651
161B	Discounts constructive algorithms, greedy, sortings	1700	x1957
161A	Dress'em in Vests! binary search, brute force, greedy, two pointers	1300	x4887
160E	Buses and People binary search, data structures, sortings	2400	x587
160D	Edges in MST dfs and similar, dsu, graphs, sortings	2300	x2507
160C	Find Pair implementation, math, sortings	1700	x3450
160B	Unlucky Ticket greedy, sortings	1100	x13941
160A	Twins greedy, sortings	900	x117001
159E	Zebra Tower *special problem, data structures, greedy, sortings	1700	x997
159D	Palindrome pairs *special problem, brute force, dp, strings	1500	x4305
159C	String Manipulation 1.0 *special problem, binary search, brute force, data structures, strings	1400	x2986
159B	Matchmaker *special problem, greedy, sortings	1100	x3782
159A	Friends or Not *special problem, greedy, implementation	1400	x2482
158E	Phone Talks *special problem, dp, sortings	1900	x1460
158D	Ice Sculptures *special problem, brute force, number theory	1300	x6239
158C	Cd and pwd commands *special problem, data structures, implementation	1400	x9170
158B	Taxi *special problem, greedy, implementation	1100	x86350
158A	Next Round *special problem, implementation	800	x247480
157B	Trace geometry, sortings	1000	x13174