Problemset - Codeforces

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Codeforces Round 973 (Div. 2)
02:54:10
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Problems

#	Name
137D	Palindromes dp, strings	1900	x1508
135C	Zero-One constructive algorithms, games, greedy	1900	x1335
134B	Pairs of Numbers brute force, dfs and similar, math, number theory	1900	x2012
132D	Constants in the language of Shakespeare constructive algorithms, dp, greedy	2100	x613
132B	Piet implementation	2100	x663
131F	Present to Mom binary search, two pointers	2000	x641
128D	Numbers constructive algorithms, implementation	2000	x1133
128C	Games with Rectangle combinatorics, dp	2000	x2915
128B	String brute force, constructive algorithms, hashing, implementation, string suffix structures, strings	2100	x2538
126C	E-reader Display constructive algorithms, greedy	2000	x723
126A	Hot Bath binary search, brute force, math	1900	x1429
121C	Lucky Permutation brute force, combinatorics, number theory	1900	x1279
120J	Minimum Sum divide and conquer, geometry, sortings	1900	x915
119C	Education Reform dp	2000	x914
119B	Before Exam constructive algorithms, implementation, sortings	1900	x1074
118E	Bertown roads dfs and similar, graphs	2000	x6519
118C	Fancy Number brute force, greedy, sortings, strings	1900	x2578
117C	Cycle dfs and similar, graphs	2000	x2603
113B	Petr# brute force, data structures, hashing, strings	2000	x2795
111C	Petya and Spiders bitmasks, dp, dsu	2100	x1370
111B	Petya and Divisors binary search, data structures, number theory	1900	x3652
109D	Lucky Sorting constructive algorithms, sortings	2000	x797
109C	Lucky Tree dp, dsu, trees	1900	x3504
109B	Lucky Probability brute force, probabilities	1900	x1540
106E	Space Rescuers geometry, ternary search	2100	x859
103D	Time to Raid Cowavans brute force, data structures, sortings	2100	x2109
103C	Russian Roulette constructive algorithms, greedy	1900	x949
101C	Vectors implementation, math	2000	x697
100H	Battleship *special problem, dfs and similar, implementation	2100	x76
95C	Volleyball shortest paths	1900	x2770
93B	End of Exams greedy	1900	x912
87C	Interesting Game dp, games, math	2000	x1343
82D	Two out of Three dp	2000	x2007
82C	General Mobilization data structures, dfs and similar, sortings	2000	x806
81D	Polycarp's Picture Gallery constructive algorithms, greedy	2100	x644
78C	Beaver Game dp, games, number theory	2000	x1866
77C	Beavermuncher-0xFF dfs and similar, dp, dsu, greedy, trees	2100	x998
76B	Mice greedy, two pointers	2100	x744
75D	Big Maximum Sum data structures, dp, greedy, implementation, math, trees	2000	x1789
74C	Chessboard Billiard dfs and similar, dsu, graphs, number theory	2100	x1276
73B	Need For Brake binary search, greedy, sortings	2000	x494
72F	Oil *special problem, greedy, math	1900	x118
69D	Dot dp, games	1900	x990
69C	Game implementation	2000	x581
67D	Optical Experiment binary search, data structures, dp	1900	x1412
66E	Petya and Post data structures, dp	2000	x732
65C	Harry Potter and the Golden Snitch binary search, geometry	2100	x784
64F	Domain *special problem, expression parsing	2000	x180
63E	Sweets Game bitmasks, dfs and similar, dp, games, implementation	2000	x752
63D	Dividing Island constructive algorithms	1900	x1255
61E	Enemy is weak data structures, trees	1900	x10885
61C	Capture Valerian math	2000	x708
60C	Mushroom Strife brute force, dfs and similar	2100	x563
59E	Shortest Path graphs, shortest paths	2000	x3378
59D	Team Arrangement constructive algorithms, greedy, implementation	2000	x626
58D	Calendar greedy, strings	2000	x727
57C	Array combinatorics, math	1900	x2567
56D	Changing a String dp	2100	x1605
55C	Pie or die games	1900	x1628
54D	Writing a Song brute force, dp, strings	2100	x536
54C	First Digit Law dp, math, probabilities	2000	x1300
50D	Bombing binary search, dp, probabilities	2100	x619
50C	Happy Farm 5 geometry	2000	x762
48E	Ivan the Fool VS Gorynych the Dragon dp, games, graphs	2100	x578
47C	Crossword implementation	2000	x780
46E	Comb data structures, dp	1900	x955
45H	Road Problem graphs	2100	x186
45E	Director constructive algorithms, greedy	2000	x539
45D	Event Dates greedy, meet-in-the-middle, sortings	1900	x1679
45C	Dancing Lessons data structures	1900	x891
44J	Triminoes constructive algorithms, greedy	2000	x566
43D	Journey brute force, constructive algorithms, implementation	2000	x1076
41E	3-cycles constructive algorithms, graphs, greedy	1900	x1947
41D	Pawn dp	1900	x2350
39E	What Has Dirichlet Got to Do with That? dp, games	2000	x876
39C	Moon Craters dp, sortings	2100	x598
39A	C*++ Calculations expression parsing, greedy	2000	x676
38F	Smart Boy dp, games, strings	2100	x388
38D	Vasya the Architect implementation	1900	x491
37C	Old Berland Language data structures, greedy, trees	1900	x1661
35E	Parade data structures, sortings	2100	x733
34E	Collisions brute force, implementation, math	2000	x584
33D	Knights geometry, graphs, shortest paths, sortings	2000	x1194
31D	Chocolate dfs and similar, implementation	2000	x1034
29D	Ant on the Tree constructive algorithms, dfs and similar, trees	2000	x2445
27E	Number With The Given Amount Of Divisors brute force, dp, number theory	2000	x4181
27C	Unordered Subsequence constructive algorithms, greedy	1900	x2778
26C	Parquet combinatorics, constructive algorithms, greedy, implementation	2000	x849
25D	Roads not only in Berland dsu, graphs, trees	1900	x11132
25C	Roads in Berland graphs, shortest paths	1900	x6172
22D	Segments greedy, sortings	1900	x2687
21C	Stripe 2 binary search, dp, sortings	2000	x2106
21B	Intersection implementation, math	2000	x1340
21A	Jabber ID implementation, strings	1900	x1845
20C	Dijkstra? graphs, shortest paths	1900	x32323
20B	Equation math	2000	x3847
19B	Checkout Assistant dp	1900	x4728
18E	Flag 2 dp	2000	x1073
18D	Seller Bob brute force, dp, greedy	2000	x1065
16E	Fish bitmasks, dp, probabilities	1900	x5055