Problemset - Codeforces

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Codeforces Round (Div. 2)
7 days

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Problems

#	Name
484A	Bits bitmasks, constructive algorithms	1700	x11296
483B	Friends and Presents binary search, math	1800	x4074
482B	Interesting Array constructive algorithms, data structures, trees	1800	x6453
479E	Riding in a Lift combinatorics, dp	1900	x5120
479D	Long Jumps binary search, greedy, implementation	1700	x4779
479C	Exams greedy, sortings	1400	x29593
479B	Towers brute force, constructive algorithms, greedy, implementation, sortings	1400	x7881
478C	Table Decorations greedy	1800	x18210
478B	Random Teams combinatorics, constructive algorithms, greedy, math	1300	x36520
476D	Dreamoon and Sets constructive algorithms, greedy, math	1900	x4648
476C	Dreamoon and Sums math	1600	x5736
476B	Dreamoon and WiFi bitmasks, brute force, combinatorics, dp, math, probabilities	1300	x30608
475B	Strongly Connected City brute force, dfs and similar, graphs, implementation	1400	x8473
474D	Flowers dp	1700	x25240
472D	Design Tutorial: Inverse the Problem dfs and similar, dsu, shortest paths, trees	1900	x5402
472C	Design Tutorial: Make It Nondeterministic greedy	1400	x6362
472B	Design Tutorial: Learn from Life	1300	x7416
471D	MUH and Cube Walls string suffix structures, strings	1800	x8048
471C	MUH and House of Cards binary search, brute force, greedy, math	1700	x3565
471B	MUH and Important Things implementation, sortings	1300	x5947
470E	Chessboard *special problem	1900	x197
470D	Caesar Cipher *special problem	1900	x152
470C	Eval *special problem	1900	x240
470B	Hexakosioihexekontahexaphobia *special problem	1800	x259
470A	Crystal Ball Sequence *special problem, implementation	1400	x676
469B	Chat Online implementation	1300	x12647
468A	24 Game constructive algorithms, greedy, math	1500	x7980
467C	George and Job dp, implementation	1700	x14643
466C	Number of Ways binary search, brute force, data structures, dp, two pointers	1700	x36071
464A	No to Palindromes! greedy, strings	1700	x5913
463D	Gargari and Permutations dfs and similar, dp, graphs, implementation	1900	x6453
463C	Gargari and Bishops greedy, hashing, implementation	1900	x8728
462B	Appleman and Card Game greedy	1300	x14446
460C	Present binary search, data structures, greedy	1700	x6230
460B	Little Dima and Equation brute force, implementation, math, number theory	1500	x12350
459E	Pashmak and Graph dp, sortings	1900	x5408
459D	Pashmak and Parmida's problem data structures, divide and conquer, sortings	1800	x10103
459C	Pashmak and Buses combinatorics, constructive algorithms, math	1900	x6181
459B	Pashmak and Flowers combinatorics, implementation, sortings	1300	x40261
457B	Distributed Join greedy	1900	x1135
457A	Golden System math, meet-in-the-middle	1700	x1277
455B	A Lot of Games dfs and similar, dp, games, implementation, strings, trees	1900	x5969
455A	Boredom dp	1500	x58251
453A	Little Pony and Expected Maximum probabilities	1600	x10469
452D	Washer, Dryer, Folder greedy, implementation	1900	x1502
452B	4-point polyline brute force, constructive algorithms, geometry, trees	1800	x1999
451C	Predict Outcome of the Game brute force, implementation, math	1700	x3363
451B	Sort the Array implementation, sortings	1300	x45302
450B	Jzzhu and Sequences implementation, math	1300	x26183
449A	Jzzhu and Chocolate greedy, math	1700	x3938
448D	Multiplication Table binary search, brute force	1800	x14034
448C	Painting Fence divide and conquer, dp, greedy	1900	x8174
448B	Suffix Structures implementation, strings	1400	x16105
446A	DZY Loves Sequences dp, implementation, two pointers	1600	x12540
445B	DZY Loves Chemistry dfs and similar, dsu, greedy	1400	x12583
444A	DZY Loves Physics greedy, math	1600	x3416
443B	Kolya and Tandem Repeat brute force, implementation, strings	1500	x4059
442B	Andrey and Problem greedy, math, probabilities	1800	x5234
442A	Borya and Hanabi bitmasks, brute force, implementation	1700	x2128
441C	Valera and Tubes constructive algorithms, dfs and similar, implementation	1500	x11196
441B	Valera and Fruits greedy, implementation	1400	x7072
440C	One-Based Arithmetic brute force, dfs and similar, divide and conquer	1800	x911
440B	Balancer greedy, implementation	1600	x1970
439D	Devu and his Brother binary search, sortings, ternary search, two pointers	1700	x6061
439C	Devu and Partitioning of the Array brute force, constructive algorithms, implementation, number theory	1700	x3904
437D	The Child and Zoo dsu, sortings	1900	x3377
437C	The Child and Toy graphs, greedy, sortings	1400	x13933
437B	The Child and Set bitmasks, greedy, implementation, sortings	1500	x9485
437A	The Child and Homework implementation	1300	x8999
436C	Dungeons and Candies dsu, graphs, greedy, trees	1800	x2662
436B	Om Nom and Spiders implementation, math	1400	x3054
436A	Feed with Candy greedy	1500	x3470
435C	Cardiogram implementation	1600	x2570
435B	Pasha Maximizes greedy	1400	x7006
433C	Ryouko's Memory Note implementation, math, sortings	1800	x2486
432C	Prime Swaps greedy, sortings	1800	x2517
431C	k-Tree dp, implementation, trees	1600	x25574
430B	Balls Game brute force, two pointers	1400	x3713
430A	Points and Segments (easy) constructive algorithms, sortings	1600	x2239
429B	Working out dp	1600	x8663
429A	Xor-tree dfs and similar, trees	1300	x10319
427C	Checkposts dfs and similar, graphs, two pointers	1700	x13929
426B	Sereja and Mirroring implementation	1300	x3795
425A	Sereja and Swaps brute force, sortings	1500	x3886
424C	Magic Formulas math	1600	x5346
421D	Bug in Code binary search, data structures, sortings	1900	x531
420C	Bug in Code data structures, graphs, implementation, two pointers	1900	x1259
420B	Online Meeting implementation	1800	x1042
417D	Cunning Gena bitmasks, dp, greedy, sortings	1900	x2476
417C	Football constructive algorithms, graphs, implementation	1400	x4664
417B	Crash implementation	1400	x1780
417A	Elimination dp, implementation, math	1500	x2987
416C	Booking System binary search, dp, greedy, implementation	1600	x7941
416B	Art Union brute force, dp, implementation	1300	x8715
416A	Guess a number! greedy, implementation, two pointers	1400	x8922
415B	Mashmokh and Tokens binary search, greedy, implementation, math	1500	x6277
414B	Mashmokh and ACM combinatorics, dp, number theory	1400	x22269
414A	Mashmokh and Numbers constructive algorithms, number theory	1500	x9798
413C	Jeopardy! greedy, math	1400	x2380
413B	Spyke Chatting implementation	1300	x1704