Problemset - Codeforces

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Codeforces Round 973 (Div. 2)
14:22:51
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Problems

#	Name
508C	Anya and Ghosts constructive algorithms, greedy	1600	x4455
508B	Anton and currency you all know greedy, math, strings	1300	x22557
507C	Guess Your Way Out! implementation, math, trees	1700	x4320
507B	Amr and Pins geometry, math	1400	x24461
505B	Mr. Kitayuta's Colorful Graph dfs and similar, dp, dsu, graphs	1400	x12858
501C	Misha and Forest constructive algorithms, data structures, greedy, sortings, trees	1500	x5639
500C	New Year Book Reading constructive algorithms, greedy, implementation, math	1600	x5801
500B	New Year Permutation dfs and similar, dsu, graphs, greedy, math, sortings	1600	x8853
498A	Crazy Town geometry	1700	x6441
496C	Removing Columns brute force, constructive algorithms, implementation	1500	x7712
496B	Secret Combination brute force, constructive algorithms, implementation	1500	x5860
495B	Modular Equations math, number theory	1600	x6881
494A	Treasure greedy	1500	x6196
493D	Vasya and Chess constructive algorithms, games, math	1700	x9641
493C	Vasya and Basketball binary search, brute force, data structures, implementation, sortings, two pointers	1600	x6781
493B	Vasya and Wrestling implementation	1400	x13261
493A	Vasya and Football implementation	1300	x6099
492C	Vanya and Exams greedy, sortings	1400	x14012
490C	Hacking Cypher brute force, math, number theory, strings	1700	x9059
490B	Queue dsu, implementation	1500	x5972
489D	Unbearable Controversy of Being brute force, combinatorics, dfs and similar, graphs	1700	x6662
489C	Given Length and Sum of Digits... dp, greedy, implementation	1400	x45982
486C	Palindrome Transformation brute force, greedy, implementation	1700	x11691
486B	OR in Matrix greedy, hashing, implementation	1300	x17492
485B	Valuable Resources brute force, greedy	1300	x6522
485A	Factory implementation, math, matrices	1400	x8246
484A	Bits bitmasks, constructive algorithms	1700	x11240
479D	Long Jumps binary search, greedy, implementation	1700	x4777
479C	Exams greedy, sortings	1400	x29492
479B	Towers brute force, constructive algorithms, greedy, implementation, sortings	1400	x7870
478B	Random Teams combinatorics, constructive algorithms, greedy, math	1300	x36391
476C	Dreamoon and Sums math	1600	x5701
476B	Dreamoon and WiFi bitmasks, brute force, combinatorics, dp, math, probabilities	1300	x30434
475B	Strongly Connected City brute force, dfs and similar, graphs, implementation	1400	x8438
474D	Flowers dp	1700	x25053
472C	Design Tutorial: Make It Nondeterministic greedy	1400	x6356
472B	Design Tutorial: Learn from Life	1300	x7407
471C	MUH and House of Cards binary search, brute force, greedy, math	1700	x3551
471B	MUH and Important Things implementation, sortings	1300	x5938
470A	Crystal Ball Sequence *special problem, implementation	1400	x676
469B	Chat Online implementation	1300	x12620
468A	24 Game constructive algorithms, greedy, math	1500	x7968
467C	George and Job dp, implementation	1700	x14550
466C	Number of Ways binary search, brute force, data structures, dp, two pointers	1700	x35912
464A	No to Palindromes! greedy, strings	1700	x5908
462B	Appleman and Card Game greedy	1300	x14404
460C	Present binary search, data structures, greedy	1700	x6183
460B	Little Dima and Equation brute force, implementation, math, number theory	1500	x12306
459B	Pashmak and Flowers combinatorics, implementation, sortings	1300	x40097
457A	Golden System math, meet-in-the-middle	1700	x1271
455A	Boredom dp	1500	x57853
453A	Little Pony and Expected Maximum probabilities	1600	x10388
451C	Predict Outcome of the Game brute force, implementation, math	1700	x3322
451B	Sort the Array implementation, sortings	1300	x45059
450B	Jzzhu and Sequences implementation, math	1300	x26097
449A	Jzzhu and Chocolate greedy, math	1700	x3930
448B	Suffix Structures implementation, strings	1400	x16009
446A	DZY Loves Sequences dp, implementation, two pointers	1600	x12505
445B	DZY Loves Chemistry dfs and similar, dsu, greedy	1400	x12519
444A	DZY Loves Physics greedy, math	1600	x3400
443B	Kolya and Tandem Repeat brute force, implementation, strings	1500	x4053
442A	Borya and Hanabi bitmasks, brute force, implementation	1700	x2108
441C	Valera and Tubes constructive algorithms, dfs and similar, implementation	1500	x11172
441B	Valera and Fruits greedy, implementation	1400	x7062
440B	Balancer greedy, implementation	1600	x1964
439D	Devu and his Brother binary search, sortings, ternary search, two pointers	1700	x6036
439C	Devu and Partitioning of the Array brute force, constructive algorithms, implementation, number theory	1700	x3857
437C	The Child and Toy graphs, greedy, sortings	1400	x13896
437B	The Child and Set bitmasks, greedy, implementation, sortings	1500	x9452
437A	The Child and Homework implementation	1300	x8991
436B	Om Nom and Spiders implementation, math	1400	x3048
436A	Feed with Candy greedy	1500	x3463
435C	Cardiogram implementation	1600	x2564
435B	Pasha Maximizes greedy	1400	x6942
431C	k-Tree dp, implementation, trees	1600	x25464
430B	Balls Game brute force, two pointers	1400	x3694
430A	Points and Segments (easy) constructive algorithms, sortings	1600	x2236
429B	Working out dp	1600	x8579
429A	Xor-tree dfs and similar, trees	1300	x10286
427C	Checkposts dfs and similar, graphs, two pointers	1700	x13794
426B	Sereja and Mirroring implementation	1300	x3793
425A	Sereja and Swaps brute force, sortings	1500	x3884
424C	Magic Formulas math	1600	x5332
417C	Football constructive algorithms, graphs, implementation	1400	x4657
417B	Crash implementation	1400	x1767
417A	Elimination dp, implementation, math	1500	x2967
416C	Booking System binary search, dp, greedy, implementation	1600	x7868
416B	Art Union brute force, dp, implementation	1300	x8625
416A	Guess a number! greedy, implementation, two pointers	1400	x8877
415B	Mashmokh and Tokens binary search, greedy, implementation, math	1500	x6248
414B	Mashmokh and ACM combinatorics, dp, number theory	1400	x22101
414A	Mashmokh and Numbers constructive algorithms, number theory	1500	x9777
413C	Jeopardy! greedy, math	1400	x2368
413B	Spyke Chatting implementation	1300	x1698
411C	Kicker implementation	1700	x1223
411B	Multi-core Processor implementation	1600	x1274
409H	A + B Strikes Back *special problem, brute force, constructive algorithms, dsu, implementation	1500	x8878
409D	Big Data *special problem	1700	x1710
409C	Magnum Opus *special problem	1700	x1973
409B	Mysterious Language *special problem	1700	x1355