Problemset - Codeforces

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Educational Codeforces Round 169 (Rated for Div. 2)
16:37:25
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Problems

#	Name
195B	After Training data structures, implementation, math	1300	x5159
193A	Cutting Figure constructive algorithms, graphs, trees	1700	x3940
192A	Funky Numbers binary search, brute force, implementation	1300	x10291
191B	Demonstration greedy	1700	x1004
191A	Dynasty Puzzles dp	1500	x3901
190C	STL dfs and similar	1500	x2787
189B	Counting Rhombi brute force, math	1300	x3922
189A	Cut Ribbon brute force, dp	1300	x65215
188G	Array Sorting *special problem, implementation	1600	x331
188F	Binary Notation *special problem, implementation	1400	x295
188E	HQ9+ *special problem, implementation	1400	x497
188C	LCM *special problem, implementation, math	1400	x446
188B	A + Reverse B *special problem, implementation	1300	x724
187A	Permutations greedy	1500	x2740
185A	Plant math	1300	x5814
183B	Zoo brute force, geometry	1700	x685
183A	Headquarters constructive algorithms, math	1700	x537
182D	Common Divisors brute force, hashing, implementation, math, strings	1400	x7960
181B	Number of Triplets binary search, brute force	1300	x2960
180C	Letter dp	1400	x7248
178D1	Magic Squares	1500	x625
178C1	Smart Beaver and Resolving Collisions	1600	x475
178B2	Greedy Merchants	1600	x666
178B1	Greedy Merchants	1600	x752
177E1	Space Voyage binary search	1700	x591
177D2	Encrypting Messages data structures	1500	x1891
177C2	Party brute force, dfs and similar, dsu, graphs	1500	x2506
177C1	Party dfs and similar, dsu, graphs	1500	x2517
176B	Word Cut dp	1700	x1769
175C	Geometry Horse greedy, implementation, sortings, two pointers	1600	x1305
175B	Plane of Tanks: Pro implementation	1400	x1403
175A	Robot Bicorn Attack brute force, implementation	1400	x2370
174B	File List dp, greedy, implementation	1400	x2218
173A	Rock-Paper-Scissors implementation, math	1300	x2265
172D	Calendar Reform *special problem, number theory	1500	x1391
172C	Bus *special problem, implementation, sortings	1500	x1133
171H	A polyline *special problem, implementation	1700	x273
171G	Mysterious numbers - 2 *special problem	1600	x915
171F	ucyhf *special problem, brute force, implementation, number theory	1600	x1265
171D	Broken checker *special problem, brute force	1300	x2555
171B	Star *special problem, combinatorics	1300	x4007
168B	Wizards and Minimal Spell implementation, strings	1700	x1210
167A	Wizards and Trolleybuses implementation, math	1600	x2022
166E	Tetrahedron dp, math, matrices	1500	x20679
166C	Median greedy, math, sortings	1500	x6425
165C	Another Problem on Strings binary search, brute force, dp, math, strings, two pointers	1600	x12117
165B	Burning Midnight Oil binary search, implementation	1500	x17328
164A	Variable, or There and Back Again dfs and similar, graphs	1700	x1000
163A	Substring and Subsequence dp	1700	x2667
161B	Discounts constructive algorithms, greedy, sortings	1700	x1945
161A	Dress'em in Vests! binary search, brute force, greedy, two pointers	1300	x4795
160C	Find Pair implementation, math, sortings	1700	x3419
159E	Zebra Tower *special problem, data structures, greedy, sortings	1700	x996
159D	Palindrome pairs *special problem, brute force, dp, strings	1500	x4292
159C	String Manipulation 1.0 *special problem, binary search, brute force, data structures, strings	1400	x2965
159A	Friends or Not *special problem, greedy, implementation	1400	x2471
158D	Ice Sculptures *special problem, brute force, number theory	1300	x6218
158C	Cd and pwd commands *special problem, data structures, implementation	1400	x9072
156B	Suspects constructive algorithms, data structures, implementation	1600	x2212
156A	Message brute force	1700	x3023
154B	Colliders math, number theory	1600	x4438
154A	Hometask greedy	1600	x4019
153A	A + B *special problem	1600	x769
152C	Pocket Book combinatorics	1400	x10484
152B	Steps binary search, implementation	1300	x6551
150B	Quantity of Strings combinatorics, dfs and similar, graphs, math	1600	x4082
150A	Win or Freeze games, math, number theory	1400	x7696
149C	Division into Teams greedy, math, sortings	1500	x5340
149B	Martian Clock implementation	1600	x2240
148C	Terse princess constructive algorithms, greedy	1700	x3086
148B	Escape implementation, math	1500	x5389
147A	Punctuation implementation, strings	1300	x3600
146B	Lucky Mask brute force, implementation	1300	x4312
144C	Anagram Search implementation, strings	1500	x3971
144B	Meeting implementation	1300	x5176
142A	Help Farmer brute force, math	1600	x2597
141B	Hopscotch geometry, math	1400	x5290
140A	New Year Table geometry, math	1700	x4122
139B	Wallpaper implementation, math	1600	x1291
138A	Literature Lesson implementation	1600	x2374
137C	History sortings	1500	x7155
135B	Rectangle and Square brute force, geometry, math	1600	x2327
135A	Replacement greedy, implementation, sortings	1300	x7504
132A	Turing Tape implementation	1300	x2757
131E	Yet Another Task with Queens sortings	1700	x1831
131D	Subway dfs and similar, graphs	1600	x4613
131C	The World is a Theatre combinatorics, math	1400	x10957
130H	Balanced brackets *special problem	1600	x549
130G	CAPS LOCK ON *special problem	1700	x284
130F	Prime factorization *special problem	1600	x277
130E	Tribonacci numbers *special problem	1600	x296
130D	Exponentiation *special problem	1500	x392
130C	Decimal sum *special problem	1500	x493
130B	Gnikool Ssalg *special problem, implementation, strings	1400	x525
128A	Statues dfs and similar	1500	x3161
126B	Password binary search, dp, hashing, string suffix structures, strings	1700	x18922
125C	Hobbits' Party constructive algorithms, greedy	1600	x914
125A	Measuring Lengths in Baden math	1400	x2679
124B	Permutations brute force, combinatorics, implementation	1400	x3848
123A	Prime Permutation implementation, number theory, strings	1300	x3561