Problemset - Codeforces

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Educational Codeforces Round 167 (Rated for Div. 2)
04:52:02
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Problems

#	Name
62A	A Student's Dream greedy, math	1300	x3392
61E	Enemy is weak data structures, trees	1900	x10392
61D	Eternal Victory dfs and similar, graphs, greedy, shortest paths, trees	1800	x6316
61C	Capture Valerian math	2000	x696
61B	Hard Work strings	1300	x3805
61A	Ultra-Fast Mathematician implementation	800	x105722
60E	Mushroom Gnomes math, matrices	2600	x319
60D	Savior brute force, dsu, math	2500	x401
60C	Mushroom Strife brute force, dfs and similar	2100	x553
60B	Serial Time! dfs and similar, dsu	1400	x4494
60A	Where Are My Flakes? implementation, two pointers	1300	x3551
59E	Shortest Path graphs, shortest paths	2000	x3189
59D	Team Arrangement constructive algorithms, greedy, implementation	2000	x608
59C	Title expression parsing	1600	x2024
59B	Fortune Telling implementation, number theory	1200	x6753
59A	Word implementation, strings	800	x165924
58E	Expression dp	2400	x349
58D	Calendar greedy, strings	2000	x715
58C	Trees brute force	1800	x1981
58B	Coins greedy	1300	x11945
58A	Chat room greedy, strings	1000	x124485
57E	Chess math, shortest paths	3000	x254
57D	Journey dp, math	2500	x333
57C	Array combinatorics, math	1900	x2398
57B	Martian Architecture implementation	1600	x995
57A	Square Earth? dfs and similar, greedy, implementation	1300	x2826
56E	Domino Principle binary search, data structures, sortings	2200	x2254
56D	Changing a String dp	2100	x1554
56C	Corporation Mail data structures, expression parsing, implementation	1700	x1127
56B	Spoilt Permutation implementation	1300	x3649
56A	Bar implementation	1000	x8401
55E	Very simple problem geometry, two pointers	2500	x680
55D	Beautiful numbers dp, number theory	2500	x3663
55C	Pie or die games	1900	x1603
55B	Smallest number brute force	1600	x2664
55A	Flea travel implementation, math	1200	x3354
54E	Vacuum Сleaner geometry	2700	x188
54D	Writing a Song brute force, dp, strings	2100	x517
54C	First Digit Law dp, math, probabilities	2000	x1254
54B	Cutting Jigsaw Puzzle hashing, implementation	1800	x745
54A	Presents implementation	1300	x2024
53E	Dead Ends bitmasks, dp	2500	x919
53D	Physical Education sortings	1500	x1967
53C	Little Frog constructive algorithms	1200	x6321
53B	Blog Photo binary search, implementation	1700	x1383
53A	Autocomplete implementation	1100	x4898
52C	Circular RMQ data structures	2200	x8480
52B	Right Triangles combinatorics	1600	x1998
52A	123-sequence implementation	900	x8420
51F	Caterpillar dfs and similar, dp, graphs, trees	2800	x551
51E	Pentagon combinatorics, graphs, matrices	2400	x370
51D	Geometrical problem implementation	2200	x420
51C	Three Base Stations binary search, greedy	1800	x1838
51B	bHTML Tables Analisys expression parsing	1700	x852
51A	Cheaterius's Problem implementation	1300	x1788
50E	Square Equation Roots math	2300	x347
50D	Bombing binary search, dp, probabilities	2100	x605
50C	Happy Farm 5 geometry	2000	x738
50B	Choosing Symbol Pairs strings	1500	x5581
50A	Domino piling greedy, math	800	x233615
49E	Common ancestor dp	2300	x651
49D	Game brute force, dp, implementation	1800	x1855
49C	Disposition constructive algorithms, math	1700	x1660
49B	Sum math	1500	x2411
49A	Sleuth implementation	800	x13042
48H	Black and White constructive algorithms	2800	x137
48G	Galaxy Union dp, trees, two pointers	2700	x255
48F	Snow sellers greedy, sortings	2800	x144
48E	Ivan the Fool VS Gorynych the Dragon dp, games, graphs	2100	x568
48D	Permutations greedy	1500	x2428
48C	The Race math	1800	x761
48B	Land Lot brute force, implementation	1200	x2628
48A	Rock-paper-scissors implementation, schedules	900	x5786
47E	Cannon data structures, geometry, sortings	2200	x358
47D	Safe brute force	2200	x754
47C	Crossword implementation	2000	x756
47B	Coins implementation	1200	x13279
47A	Triangular numbers brute force, math	800	x14585
46G	Emperor's Problem geometry	2500	x110
46F	Hercule Poirot Problem dsu, graphs	2300	x312
46E	Comb data structures, dp	1900	x929
46D	Parking Lot data structures, implementation	1800	x964
46C	Hamsters and Tigers two pointers	1600	x2281
46B	T-shirts from Sponsor implementation	1100	x3585
46A	Ball Game brute force, implementation	800	x8452
45J	Planting Trees constructive algorithms	1800	x921
45I	TCMCF+++ greedy	1400	x2329
45H	Road Problem graphs	2100	x178
45G	Prime Problem number theory	2200	x1002
45F	Goats and Wolves greedy	2500	x127
45E	Director constructive algorithms, greedy	2000	x530
45D	Event Dates greedy, meet-in-the-middle, sortings	1900	x1611
45C	Dancing Lessons data structures	1900	x864
45B	School dp, dsu	2200	x269
45A	Codecraft III implementation	900	x6497
44J	Triminoes constructive algorithms, greedy	2000	x557
44I	Toys brute force, combinatorics	2300	x184
44H	Phone Number dp	1700	x1691
44G	Shooting Gallery data structures, implementation	2500	x372
44F	BerPaint geometry, graphs	2700	x66