Problemset - Codeforces

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Codeforces Round 1002 (Div. 2)
3 days
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Problems

#	Name
137A	Postcards and photos implementation	900	x7303
136B	Ternary Logic implementation, math	1100	x5005
136A	Presents implementation	800	x123475
135E	Weak Subsequence combinatorics	3000	x311
135D	Cycle brute force, dfs and similar, implementation	2500	x306
135C	Zero-One constructive algorithms, games, greedy	1900	x1357
135B	Rectangle and Square brute force, geometry, math	1600	x2404
135A	Replacement greedy, implementation, sortings	1300	x7704
134C	Swaps constructive algorithms, graphs, greedy	2200	x477
134B	Pairs of Numbers brute force, dfs and similar, math, number theory	1900	x2111
134A	Average Numbers brute force, implementation	1200	x4100
133B	Unary implementation	1200	x8883
133A	HQ9+ implementation	900	x109241
132E	Bits of merry old England flows, graphs	2700	x541
132D	Constants in the language of Shakespeare constructive algorithms, dp, greedy	2100	x622
132C	Logo Turtle dp	1800	x2371
132B	Piet implementation	2100	x667
132A	Turing Tape implementation	1300	x2803
131F	Present to Mom binary search, two pointers	2000	x657
131E	Yet Another Task with Queens sortings	1700	x1871
131D	Subway dfs and similar, graphs	1600	x4778
131C	The World is a Theatre combinatorics, math	1400	x11475
131B	Opposites Attract implementation, math	1200	x7098
131A	cAPS lOCK implementation, strings	1000	x88539
130J	Date calculation *special problem	1800	x343
130I	Array sorting *special problem, sortings	2300	x171
130H	Balanced brackets *special problem	1600	x620
130G	CAPS LOCK ON *special problem	1700	x290
130F	Prime factorization *special problem	1600	x281
130E	Tribonacci numbers *special problem	1600	x299
130D	Exponentiation *special problem	1500	x400
130C	Decimal sum *special problem	1500	x510
130B	Gnikool Ssalg *special problem, implementation, strings	1400	x541
130A	Hexagonal numbers *special problem, implementation	900	x1677
129B	Students and Shoelaces brute force, dfs and similar, graphs, implementation	1200	x12515
129A	Cookies implementation	900	x23173
128E	Birthday geometry, math	2900	x100
128D	Numbers constructive algorithms, implementation	2000	x1163
128C	Games with Rectangle combinatorics, dp	2000	x3008
128B	String brute force, constructive algorithms, hashing, implementation, string suffix structures, strings	2100	x2627
128A	Statues dfs and similar	1500	x3235
127B	Canvas Frames implementation	1000	x9065
127A	Wasted Time geometry	900	x11409
126E	Pills brute force, flows	2900	x89
126D	Fibonacci Sums dp, math	2300	x852
126C	E-reader Display constructive algorithms, greedy	2000	x748
126B	Password binary search, dp, hashing, string suffix structures, strings	1700	x20232
126A	Hot Bath binary search, brute force, math	1900	x1446
125E	MST Company binary search, graphs	2400	x1126
125D	Two progressions constructive algorithms, greedy	2200	x421
125C	Hobbits' Party constructive algorithms, greedy	1600	x940
125B	Simple XML implementation	1000	x3027
125A	Measuring Lengths in Baden math	1400	x2767
124B	Permutations brute force, combinatorics, implementation	1400	x4068
124A	The number of positions math	1000	x39493
123E	Maze dfs and similar, dp, probabilities, trees	2500	x734
123D	String string suffix structures	2300	x1238
123C	Brackets combinatorics, dp, greedy	2300	x624
123B	Squares math	1800	x1144
123A	Prime Permutation implementation, number theory, strings	1300	x3664
122B	Lucky Substring brute force, implementation	1000	x12481
122A	Lucky Division brute force, number theory	1000	x128630
121E	Lucky Array data structures	2400	x1766
121D	Lucky Segments binary search, implementation, two pointers	2500	x289
121C	Lucky Permutation brute force, combinatorics, number theory	1900	x1294
121B	Lucky Transformation strings	1500	x2598
121A	Lucky Sum implementation	1100	x9405
120J	Minimum Sum divide and conquer, geometry, sortings	1900	x954
120I	Luck is in Numbers greedy	2200	x308
120H	Brevity is Soul of Wit graph matchings	1800	x1432
120G	Boom implementation	1800	x691
120F	Spiders dp, greedy, trees	1400	x3690
120E	Put Knight! games, math	1400	x2770
120D	Three Sons brute force	1400	x1949
120C	Winnie-the-Pooh and honey implementation, math	1100	x3706
120B	Quiz League implementation	1100	x3469
120A	Elevator brute force, implementation, math	1000	x4894
119E	Alternative Reality geometry	2400	x98
119D	String Transformation hashing, strings	2500	x515
119C	Education Reform dp	2000	x967
119B	Before Exam constructive algorithms, implementation, sortings	1900	x1084
119A	Epic Game implementation	800	x27730
118E	Bertown roads dfs and similar, graphs	2000	x6905
118D	Caesar's Legions dp	1700	x17901
118C	Fancy Number brute force, greedy, sortings, strings	1900	x2620
118B	Present from Lena constructive algorithms, implementation	1000	x30801
118A	String Task implementation, strings	1000	x201034
117E	Tree or not Tree data structures, divide and conquer, implementation, trees	2900	x356
117D	Not Quick Transformation divide and conquer, math	2500	x343
117C	Cycle dfs and similar, graphs	2000	x2686
117B	Very Interesting Game brute force, number theory	1800	x1629
117A	Elevator implementation, math	1300	x2038
116B	Little Pigs and Wolves greedy, implementation	1100	x13909
116A	Tram implementation	800	x149722
115E	Linear Kingdom Races data structures, dp	2400	x1706
115D	Unambiguous Arithmetic Expression dp, expression parsing	2600	x410
115C	Plumber math	2200	x615
115B	Lawnmower greedy, sortings	1500	x2636
115A	Party dfs and similar, graphs, trees	900	x35709
114B	PFAST Inc. bitmasks, brute force, graphs	1500	x3777