Problemset - Codeforces

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Codeforces Round 987 (Div. 2)
07:57:29
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Problems

#	Name
171D	Broken checker *special problem, brute force	1300	x2580
171B	Star *special problem, combinatorics	1300	x4071
168B	Wizards and Minimal Spell implementation, strings	1700	x1222
167B	Wizards and Huge Prize dp, math, probabilities	1800	x2168
167A	Wizards and Trolleybuses implementation, math	1600	x2044
166E	Tetrahedron dp, math, matrices	1500	x21275
166C	Median greedy, math, sortings	1500	x6522
165C	Another Problem on Strings binary search, brute force, dp, math, strings, two pointers	1600	x12352
165B	Burning Midnight Oil binary search, implementation	1500	x18164
164A	Variable, or There and Back Again dfs and similar, graphs	1700	x1017
163A	Substring and Subsequence dp	1700	x2715
162J	Brackets *special problem	1800	x96
162H	Alternating case *special problem	1800	x220
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	x808
162B	Binary notation *special problem	1800	x313
161D	Distance in Tree dfs and similar, dp, trees	1800	x15103
161B	Discounts constructive algorithms, greedy, sortings	1700	x1959
161A	Dress'em in Vests! binary search, brute force, greedy, two pointers	1300	x4918
160C	Find Pair implementation, math, sortings	1700	x3458
159E	Zebra Tower *special problem, data structures, greedy, sortings	1700	x1001
159D	Palindrome pairs *special problem, brute force, dp, strings	1500	x4323
159C	String Manipulation 1.0 *special problem, binary search, brute force, data structures, strings	1400	x2999
159A	Friends or Not *special problem, greedy, implementation	1400	x2485
158E	Phone Talks *special problem, dp, sortings	1900	x1463
158D	Ice Sculptures *special problem, brute force, number theory	1300	x6250
158C	Cd and pwd commands *special problem, data structures, implementation	1400	x9249
156B	Suspects constructive algorithms, data structures, implementation	1600	x2234
156A	Message brute force	1700	x3045
154B	Colliders math, number theory	1600	x4753
154A	Hometask greedy	1600	x4064
153B	Binary notation *special problem	1800	x157
153A	A + B *special problem	1600	x822
152C	Pocket Book combinatorics	1400	x10663
152B	Steps binary search, implementation	1300	x6744
150B	Quantity of Strings combinatorics, dfs and similar, graphs, math	1600	x4210
150A	Win or Freeze games, math, number theory	1400	x7855
149D	Coloring Brackets dp	1900	x3886
149C	Division into Teams greedy, math, sortings	1500	x5396
149B	Martian Clock implementation	1600	x2262
148E	Porcelain dp	1900	x4072
148D	Bag of mice dp, games, math, probabilities	1800	x7323
148C	Terse princess constructive algorithms, greedy	1700	x3144
148B	Escape implementation, math	1500	x5508
147A	Punctuation implementation, strings	1300	x3655
146B	Lucky Mask brute force, implementation	1300	x4405
145B	Lucky Number 2 constructive algorithms	1800	x2220
144D	Missile Silos data structures, dfs and similar, graphs, shortest paths	1900	x4022
144C	Anagram Search implementation, strings	1500	x4015
144B	Meeting implementation	1300	x5281
142B	Help General constructive algorithms, greedy, implementation	1800	x2219
142A	Help Farmer brute force, math	1600	x2625
141C	Queue constructive algorithms, greedy, sortings	1800	x2469
141B	Hopscotch geometry, math	1400	x5402
140D	New Year Contest greedy, sortings	1800	x2216
140C	New Year Snowmen binary search, data structures, greedy	1800	x4383
140B	New Year Cards brute force, greedy, implementation	1800	x1683
140A	New Year Table geometry, math	1700	x4151
139B	Wallpaper implementation, math	1600	x1310
138B	Digits Permutations greedy	1900	x1038
138A	Literature Lesson implementation	1600	x2395
137D	Palindromes dp, strings	1900	x1521
137C	History sortings	1500	x7226
135C	Zero-One constructive algorithms, games, greedy	1900	x1348
135B	Rectangle and Square brute force, geometry, math	1600	x2357
135A	Replacement greedy, implementation, sortings	1300	x7647
134B	Pairs of Numbers brute force, dfs and similar, math, number theory	1900	x2048
132C	Logo Turtle dp	1800	x2352
132A	Turing Tape implementation	1300	x2781
131E	Yet Another Task with Queens sortings	1700	x1856
131D	Subway dfs and similar, graphs	1600	x4698
131C	The World is a Theatre combinatorics, math	1400	x11205
130J	Date calculation *special problem	1800	x341
130H	Balanced brackets *special problem	1600	x605
130G	CAPS LOCK ON *special problem	1700	x284
130F	Prime factorization *special problem	1600	x278
130E	Tribonacci numbers *special problem	1600	x296
130D	Exponentiation *special problem	1500	x393
130C	Decimal sum *special problem	1500	x501
130B	Gnikool Ssalg *special problem, implementation, strings	1400	x531
128A	Statues dfs and similar	1500	x3211
126B	Password binary search, dp, hashing, string suffix structures, strings	1700	x19665
126A	Hot Bath binary search, brute force, math	1900	x1436
125C	Hobbits' Party constructive algorithms, greedy	1600	x932
125A	Measuring Lengths in Baden math	1400	x2735
124B	Permutations brute force, combinatorics, implementation	1400	x3946
123B	Squares math	1800	x1132
123A	Prime Permutation implementation, number theory, strings	1300	x3635
121C	Lucky Permutation brute force, combinatorics, number theory	1900	x1288
121B	Lucky Transformation strings	1500	x2577
120J	Minimum Sum divide and conquer, geometry, sortings	1900	x923
120H	Brevity is Soul of Wit graph matchings	1800	x1413
120G	Boom implementation	1800	x690
120F	Spiders dp, greedy, trees	1400	x3624
120E	Put Knight! games, math	1400	x2740
120D	Three Sons brute force	1400	x1935
119B	Before Exam constructive algorithms, implementation, sortings	1900	x1079
118D	Caesar's Legions dp	1700	x17569