Problemset - Codeforces

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CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!)
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Problems

#	Name
166C	Median greedy, math, sortings	1500	x6532
165C	Another Problem on Strings binary search, brute force, dp, math, strings, two pointers	1600	x12369
160C	Find Pair implementation, math, sortings	1700	x3458
154D	Flatland Fencing games, math	2400	x433
154B	Colliders math, number theory	1600	x4762
151A	Soft Drinking implementation, math	800	x74705
150C	Smart Cheater data structures, math, probabilities	2200	x643
150B	Quantity of Strings combinatorics, dfs and similar, graphs, math	1600	x4214
150A	Win or Freeze games, math, number theory	1400	x7867
149C	Division into Teams greedy, math, sortings	1500	x5404
148D	Bag of mice dp, games, math, probabilities	1800	x7344
148B	Escape implementation, math	1500	x5513
148A	Insomnia cure constructive algorithms, implementation, math	800	x93938
145C	Lucky Subsequence combinatorics, dp, math	2100	x1911
143A	Help Vasilisa the Wise 2 brute force, math	1000	x13948
142A	Help Farmer brute force, math	1600	x2630
141B	Hopscotch geometry, math	1400	x5407
140A	New Year Table geometry, math	1700	x4157
139B	Wallpaper implementation, math	1600	x1311
136B	Ternary Logic implementation, math	1100	x4881
135B	Rectangle and Square brute force, geometry, math	1600	x2361
134B	Pairs of Numbers brute force, dfs and similar, math, number theory	1900	x2051
131C	The World is a Theatre combinatorics, math	1400	x11229
131B	Opposites Attract implementation, math	1200	x7056
128E	Birthday geometry, math	2900	x99
126D	Fibonacci Sums dp, math	2300	x839
126A	Hot Bath binary search, brute force, math	1900	x1437
125A	Measuring Lengths in Baden math	1400	x2737
124A	The number of positions math	1000	x38768
123B	Squares math	1800	x1134
120E	Put Knight! games, math	1400	x2744
120C	Winnie-the-Pooh and honey implementation, math	1100	x3681
120A	Elevator brute force, implementation, math	1000	x4840
117D	Not Quick Transformation divide and conquer, math	2500	x340
117A	Elevator implementation, math	1300	x2026
115C	Plumber math	2200	x600
114A	Cifera math	1000	x14202
113E	Sleeping combinatorics, implementation, math	2700	x119
113D	Museum math, matrices, probabilities	2700	x686
113C	Double Happiness brute force, math, number theory	2200	x1240
112B	Petya and Square implementation, math	1200	x4182
109E	Lucky Interval brute force, math	2700	x102
108B	Datatypes math, sortings	1400	x2471
107B	Basketball Team combinatorics, dp, math, probabilities	1600	x3508
103A	Testing Pants for Sadness greedy, implementation, math	1100	x6012
101C	Vectors implementation, math	2000	x703
100J	Interval Coloring *special problem, greedy, math	2400	x62
100I	Rotation *special problem, geometry, math	1500	x351
100E	Lamps in a Line *special problem, math	1600	x273
98E	Help Shrek and Donkey dp, games, math, probabilities	2700	x479
97C	Winning Strategy binary search, graphs, math, shortest paths	2400	x303
95D	Horse Races dp, math	2500	x428
94B	Friends graphs, implementation, math	1300	x4703
93E	Lostborn dp, math, number theory	2600	x502
93D	Flags dp, math, matrices	2500	x352
92A	Chips implementation, math	800	x18962
90A	Cableway greedy, math	1000	x4711
87C	Interesting Game dp, games, math	2000	x1386
87A	Trains implementation, math	1500	x5410
86E	Long sequence brute force, math, matrices	2700	x189
86D	Powerful array data structures, implementation, math, two pointers	2200	x13934
86B	Tetris revisited constructive algorithms, graph matchings, greedy, math	2200	x415
86A	Reflection math	1600	x1392
84A	Toy Army math, number theory	900	x15169
83D	Numbers dp, math, number theory	2400	x890
83B	Doctor binary search, math, sortings	1800	x1703
83A	Magical Array math	1300	x6278
82A	Double Cola implementation, math	1100	x30394
81C	Average Score greedy, math, sortings	1700	x1672
80B	Depression geometry, math	1200	x4448
79E	Security System math	2900	x136
78D	Archer's Shot binary search, geometry, math, two pointers	2300	x330
77B	Falling Anvils math, probabilities	1800	x2634
76E	Points implementation, math	1700	x1720
76D	Plus and xor dp, greedy, math	1700	x2075
76C	Mutation bitmasks, dp, math	2700	x314
75D	Big Maximum Sum data structures, dp, greedy, implementation, math, trees	2000	x1832
73E	Morrowindows math, number theory	2400	x361
73A	The Elder Trolls IV: Oblivon greedy, math	1600	x1356
72F	Oil *special problem, greedy, math	1900	x120
72C	Extraordinarily Nice Numbers *special problem, math	1200	x923
72A	Goshtasp, Vishtasp and Eidi *special problem, greedy, math	1800	x187
71C	Round Table Knights dp, math, number theory	1600	x6563
71B	Progress Bar implementation, math	1300	x4559
70A	Cookies math	1300	x3295
69A	Young Physicist implementation, math	1000	x168052
68D	Half-decay tree data structures, divide and conquer, dp, math, probabilities	2500	x472
66D	Petya and His Friends constructive algorithms, math, number theory	1700	x3187
65A	Harry Potter and Three Spells implementation, math	1800	x1824
64E	Prime Segment *special problem, brute force, math, number theory	1800	x243
64C	Table *special problem, greedy, implementation, math	1600	x339
62A	A Student's Dream greedy, math	1300	x3461
61C	Capture Valerian math	2000	x718
60E	Mushroom Gnomes math, matrices	2600	x327
60D	Savior brute force, dsu, math	2500	x452
57E	Chess math, shortest paths	3000	x264
57D	Journey dp, math	2500	x342
57C	Array combinatorics, math	1900	x2691
55A	Flea travel implementation, math	1200	x3473
54C	First Digit Law dp, math, probabilities	2000	x1327