Problemset - Codeforces

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Codeforces Round 987 (Div. 2)
14:16:42
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Problems

#	Name
64D	Presents *special problem, greedy	1800	x289
64C	Table *special problem, greedy, implementation, math	1600	x338
64B	Expression *special problem, expression parsing	1500	x1019
64A	Factorial *special problem, implementation	1300	x3112
63E	Sweets Game bitmasks, dfs and similar, dp, games, implementation	2000	x766
63D	Dividing Island constructive algorithms	1900	x1269
63C	Bulls and Cows brute force, implementation	1700	x1733
63B	Settlers' Training implementation	1200	x4842
63A	Sinking Ship implementation, sortings, strings	900	x11558
62E	World Evil dp, flows	2700	x232
62D	Wormhouse dfs and similar, graphs	2300	x374
62C	Inquisition geometry, implementation, sortings	2300	x252
62B	Tyndex.Brome binary search, implementation	1800	x1293
62A	A Student's Dream greedy, math	1300	x3461
61E	Enemy is weak data structures, trees	1900	x11301
61D	Eternal Victory dfs and similar, graphs, greedy, shortest paths, trees	1800	x6614
61C	Capture Valerian math	2000	x718
61B	Hard Work strings	1300	x3881
61A	Ultra-Fast Mathematician implementation	800	x112214
60E	Mushroom Gnomes math, matrices	2600	x327
60D	Savior brute force, dsu, math	2500	x448
60C	Mushroom Strife brute force, dfs and similar	2100	x567
60B	Serial Time! dfs and similar, dsu	1400	x4668
60A	Where Are My Flakes? implementation, two pointers	1300	x3651
59E	Shortest Path graphs, shortest paths	2000	x3470
59D	Team Arrangement constructive algorithms, greedy, implementation	2000	x636
59C	Title expression parsing	1600	x2110
59B	Fortune Telling implementation, number theory	1200	x6912
59A	Word implementation, strings	800	x178307
58E	Expression dp	2400	x393
58D	Calendar greedy, strings	2000	x734
58C	Trees brute force	1800	x2041
58B	Coins greedy	1300	x12265
58A	Chat room greedy, strings	1000	x131116
57E	Chess math, shortest paths	3000	x263
57D	Journey dp, math	2500	x342
57C	Array combinatorics, math	1900	x2681
57B	Martian Architecture implementation	1600	x1022
57A	Square Earth? dfs and similar, greedy, implementation	1300	x2912
56E	Domino Principle binary search, data structures, sortings	2200	x2363
56D	Changing a String dp	2100	x1647
56C	Corporation Mail data structures, expression parsing, implementation	1700	x1172
56B	Spoilt Permutation implementation	1300	x3735
56A	Bar implementation	1000	x8707
55E	Very simple problem geometry, two pointers	2500	x706
55D	Beautiful numbers dp, number theory	2500	x3932
55C	Pie or die games	1900	x1655
55B	Smallest number brute force	1600	x2873
55A	Flea travel implementation, math	1200	x3468
54E	Vacuum Сleaner geometry	2700	x194
54D	Writing a Song brute force, dp, strings	2100	x546
54C	First Digit Law dp, math, probabilities	2000	x1326
54B	Cutting Jigsaw Puzzle hashing, implementation	1800	x776
54A	Presents implementation	1300	x2080
53E	Dead Ends bitmasks, dp	2500	x1002
53D	Physical Education sortings	1500	x2045
53C	Little Frog constructive algorithms	1200	x6502
53B	Blog Photo binary search, implementation	1700	x1417
53A	Autocomplete implementation	1100	x5105
52C	Circular RMQ data structures	2200	x9037
52B	Right Triangles combinatorics	1600	x2067
52A	123-sequence implementation	900	x8776
51F	Caterpillar dfs and similar, dp, graphs, trees	2800	x628
51E	Pentagon combinatorics, graphs, matrices	2400	x410
51D	Geometrical problem implementation	2200	x482
51C	Three Base Stations binary search, greedy	1800	x2009
51B	bHTML Tables Analisys expression parsing	1700	x874
51A	Cheaterius's Problem implementation	1300	x1835
50E	Square Equation Roots math	2300	x363
50D	Bombing binary search, dp, probabilities	2100	x631
50C	Happy Farm 5 geometry	2000	x771
50B	Choosing Symbol Pairs strings	1500	x5716
50A	Domino piling greedy, math	800	x250336
49E	Common ancestor dp	2300	x678
49D	Game brute force, dp, implementation	1800	x1919
49C	Disposition constructive algorithms, math	1700	x1695
49B	Sum math	1500	x2492
49A	Sleuth implementation	800	x13482
48H	Black and White constructive algorithms	2800	x152
48G	Galaxy Union dp, trees, two pointers	2700	x277
48F	Snow sellers greedy, sortings	2800	x160
48E	Ivan the Fool VS Gorynych the Dragon dp, games, graphs	2100	x588
48D	Permutations greedy	1500	x2530
48C	The Race math	1800	x784
48B	Land Lot brute force, implementation	1200	x2694
48A	Rock-paper-scissors implementation, schedules	900	x6250
47E	Cannon data structures, geometry, sortings	2200	x369
47D	Safe brute force	2200	x780
47C	Crossword implementation	2000	x790
47B	Coins implementation	1200	x14106
47A	Triangular numbers brute force, math	800	x15175
46G	Emperor's Problem geometry	2500	x117
46F	Hercule Poirot Problem dsu, graphs	2300	x330
46E	Comb data structures, dp	1900	x965
46D	Parking Lot data structures, implementation	1800	x984
46C	Hamsters and Tigers two pointers	1600	x2455
46B	T-shirts from Sponsor implementation	1100	x3706
46A	Ball Game brute force, implementation	800	x8774
45J	Planting Trees constructive algorithms	1800	x946
45I	TCMCF+++ greedy	1400	x2492