Problemset - Codeforces

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Educational Codeforces Round 169 (Rated for Div. 2)
14:07:27
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Problems

#	Name
486C	Palindrome Transformation brute force, greedy, implementation	1700	x11651
486B	OR in Matrix greedy, hashing, implementation	1300	x17364
485B	Valuable Resources brute force, greedy	1300	x6502
485A	Factory implementation, math, matrices	1400	x8208
484A	Bits bitmasks, constructive algorithms	1700	x11089
479D	Long Jumps binary search, greedy, implementation	1700	x4762
479C	Exams greedy, sortings	1400	x29215
479B	Towers brute force, constructive algorithms, greedy, implementation, sortings	1400	x7833
478B	Random Teams combinatorics, constructive algorithms, greedy, math	1300	x36097
476C	Dreamoon and Sums math	1600	x5667
476B	Dreamoon and WiFi bitmasks, brute force, combinatorics, dp, math, probabilities	1300	x30100
475B	Strongly Connected City brute force, dfs and similar, graphs, implementation	1400	x8386
474D	Flowers dp	1700	x24747
472C	Design Tutorial: Make It Nondeterministic greedy	1400	x6346
472B	Design Tutorial: Learn from Life	1300	x7399
471C	MUH and House of Cards binary search, brute force, greedy, math	1700	x3547
471B	MUH and Important Things implementation, sortings	1300	x5926
470A	Crystal Ball Sequence *special problem, implementation	1400	x673
469B	Chat Online implementation	1300	x12530
468A	24 Game constructive algorithms, greedy, math	1500	x7955
467C	George and Job dp, implementation	1700	x14429
466C	Number of Ways binary search, brute force, data structures, dp, two pointers	1700	x35513
464A	No to Palindromes! greedy, strings	1700	x5848
462B	Appleman and Card Game greedy	1300	x14292
460C	Present binary search, data structures, greedy	1700	x6152
460B	Little Dima and Equation brute force, implementation, math, number theory	1500	x12245
459B	Pashmak and Flowers combinatorics, implementation, sortings	1300	x39699
457A	Golden System math, meet-in-the-middle	1700	x1267
455A	Boredom dp	1500	x56891
453A	Little Pony and Expected Maximum probabilities	1600	x10296
451C	Predict Outcome of the Game brute force, implementation, math	1700	x3317
451B	Sort the Array implementation, sortings	1300	x44541
450B	Jzzhu and Sequences implementation, math	1300	x25922
449A	Jzzhu and Chocolate greedy, math	1700	x3882
448B	Suffix Structures implementation, strings	1400	x15930
446A	DZY Loves Sequences dp, implementation, two pointers	1600	x12433
445B	DZY Loves Chemistry dfs and similar, dsu, greedy	1400	x12399
444A	DZY Loves Physics greedy, math	1600	x3390
443B	Kolya and Tandem Repeat brute force, implementation, strings	1500	x4037
442A	Borya and Hanabi bitmasks, brute force, implementation	1700	x2102
441C	Valera and Tubes constructive algorithms, dfs and similar, implementation	1500	x11121
441B	Valera and Fruits greedy, implementation	1400	x7031
440B	Balancer greedy, implementation	1600	x1949
439D	Devu and his Brother binary search, sortings, ternary search, two pointers	1700	x5985
439C	Devu and Partitioning of the Array brute force, constructive algorithms, implementation, number theory	1700	x3832
437C	The Child and Toy graphs, greedy, sortings	1400	x13712
437B	The Child and Set bitmasks, greedy, implementation, sortings	1500	x9383
437A	The Child and Homework implementation	1300	x8961
436B	Om Nom and Spiders implementation, math	1400	x3047
436A	Feed with Candy greedy	1500	x3448
435C	Cardiogram implementation	1600	x2555
435B	Pasha Maximizes greedy	1400	x6858
431C	k-Tree dp, implementation, trees	1600	x25253
430B	Balls Game brute force, two pointers	1400	x3672
430A	Points and Segments (easy) constructive algorithms, sortings	1600	x2233
429B	Working out dp	1600	x8445
429A	Xor-tree dfs and similar, trees	1300	x10182
427C	Checkposts dfs and similar, graphs, two pointers	1700	x13609
426B	Sereja and Mirroring implementation	1300	x3786
425A	Sereja and Swaps brute force, sortings	1500	x3871
424C	Magic Formulas math	1600	x5290
417C	Football constructive algorithms, graphs, implementation	1400	x4643
417B	Crash implementation	1400	x1765
417A	Elimination dp, implementation, math	1500	x2949
416C	Booking System binary search, dp, greedy, implementation	1600	x7810
416B	Art Union brute force, dp, implementation	1300	x8606
416A	Guess a number! greedy, implementation, two pointers	1400	x8798
415B	Mashmokh and Tokens binary search, greedy, implementation, math	1500	x6212
414B	Mashmokh and ACM combinatorics, dp, number theory	1400	x21773
414A	Mashmokh and Numbers constructive algorithms, number theory	1500	x9738
413C	Jeopardy! greedy, math	1400	x2341
413B	Spyke Chatting implementation	1300	x1688
411C	Kicker implementation	1700	x1220
411B	Multi-core Processor implementation	1600	x1273
409H	A + B Strikes Back *special problem, brute force, constructive algorithms, dsu, implementation	1500	x8809
409D	Big Data *special problem	1700	x1708
409C	Magnum Opus *special problem	1700	x1966
409B	Mysterious Language *special problem	1700	x1355
409A	The Great Game *special problem	1700	x2454
407B	Long Path dp, implementation	1600	x6476
407A	Triangle brute force, geometry, implementation, math	1600	x4836
405D	Toy Sum greedy, implementation, math	1700	x3105
405C	Unusual Product implementation, math	1600	x4599
404B	Marathon implementation, math	1500	x2908
402C	Searching for Graph brute force, constructive algorithms, graphs	1500	x5807
402B	Trees in a Row brute force, implementation	1400	x3793
401C	Team constructive algorithms, greedy, implementation	1400	x19755
400C	Inna and Huge Candy Matrix implementation, math	1500	x2882
388A	Fox and Box Accumulation greedy, sortings	1400	x11444
387C	George and Number greedy, implementation	1700	x2176
386B	Fly, freebies, fly! binary search, brute force, implementation	1400	x2133
385C	Bear and Prime Numbers binary search, brute force, data structures, dp, implementation, math, number theory	1700	x9536
384B	Multitasking greedy, implementation, sortings, two pointers	1500	x3512
383A	Milking cows data structures, greedy	1600	x5232
382C	Arithmetic Progression implementation, sortings	1700	x8248
380A	Sereja and Prefixes binary search, brute force	1600	x2670
379C	New Year Ratings Change greedy, sortings	1400	x6525
378B	Semifinals implementation, sortings	1300	x5186
377A	Maze dfs and similar	1600	x22028
376B	I.O.U. implementation	1300	x6296