Problemset - Codeforces

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Codeforces Round (Div. 2)
7 days

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Problems

#	Name
56A	Bar implementation	1000	x8580
55E	Very simple problem geometry, two pointers	2500	x698
55D	Beautiful numbers dp, number theory	2500	x3840
55C	Pie or die games	1900	x1623
55B	Smallest number brute force	1600	x2825
55A	Flea travel implementation, math	1200	x3390
54E	Vacuum Сleaner geometry	2700	x190
54D	Writing a Song brute force, dp, strings	2100	x534
54C	First Digit Law dp, math, probabilities	2000	x1294
54B	Cutting Jigsaw Puzzle hashing, implementation	1800	x755
54A	Presents implementation	1300	x2059
53E	Dead Ends bitmasks, dp	2500	x966
53D	Physical Education sortings	1500	x1992
53C	Little Frog constructive algorithms	1200	x6402
53B	Blog Photo binary search, implementation	1700	x1397
53A	Autocomplete implementation	1100	x4998
52C	Circular RMQ data structures	2200	x8787
52B	Right Triangles combinatorics	1600	x2024
52A	123-sequence implementation	900	x8583
51F	Caterpillar dfs and similar, dp, graphs, trees	2800	x562
51E	Pentagon combinatorics, graphs, matrices	2400	x402
51D	Geometrical problem implementation	2200	x477
51C	Three Base Stations binary search, greedy	1800	x1917
51B	bHTML Tables Analisys expression parsing	1700	x867
51A	Cheaterius's Problem implementation	1300	x1811
50E	Square Equation Roots math	2300	x353
50D	Bombing binary search, dp, probabilities	2100	x616
50C	Happy Farm 5 geometry	2000	x758
50B	Choosing Symbol Pairs strings	1500	x5647
50A	Domino piling greedy, math	800	x241579
49E	Common ancestor dp	2300	x659
49D	Game brute force, dp, implementation	1800	x1889
49C	Disposition constructive algorithms, math	1700	x1679
49B	Sum math	1500	x2457
49A	Sleuth implementation	800	x13257
48H	Black and White constructive algorithms	2800	x143
48G	Galaxy Union dp, trees, two pointers	2700	x257
48F	Snow sellers greedy, sortings	2800	x154
48E	Ivan the Fool VS Gorynych the Dragon dp, games, graphs	2100	x577
48D	Permutations greedy	1500	x2488
48C	The Race math	1800	x774
48B	Land Lot brute force, implementation	1200	x2651
48A	Rock-paper-scissors implementation, schedules	900	x6044
47E	Cannon data structures, geometry, sortings	2200	x363
47D	Safe brute force	2200	x764
47C	Crossword implementation	2000	x776
47B	Coins implementation	1200	x13783
47A	Triangular numbers brute force, math	800	x14907
46G	Emperor's Problem geometry	2500	x114
46F	Hercule Poirot Problem dsu, graphs	2300	x323
46E	Comb data structures, dp	1900	x952
46D	Parking Lot data structures, implementation	1800	x972
46C	Hamsters and Tigers two pointers	1600	x2407
46B	T-shirts from Sponsor implementation	1100	x3639
46A	Ball Game brute force, implementation	800	x8632
45J	Planting Trees constructive algorithms	1800	x931
45I	TCMCF+++ greedy	1400	x2374
45H	Road Problem graphs	2100	x184
45G	Prime Problem number theory	2200	x1031
45F	Goats and Wolves greedy	2500	x131
45E	Director constructive algorithms, greedy	2000	x538
45D	Event Dates greedy, meet-in-the-middle, sortings	1900	x1676
45C	Dancing Lessons data structures	1900	x887
45B	School dp, dsu	2200	x274
45A	Codecraft III implementation	900	x6639
44J	Triminoes constructive algorithms, greedy	2000	x566
44I	Toys brute force, combinatorics	2300	x188
44H	Phone Number dp	1700	x1722
44G	Shooting Gallery data structures, implementation	2500	x402
44F	BerPaint geometry, graphs	2700	x66
44E	Anfisa the Monkey dp	1400	x5035
44D	Hyperdrive math	1800	x707
44C	Holidays implementation	1300	x3324
44B	Cola implementation	1500	x1960
44A	Indian Summer implementation	900	x10488
43E	Race brute force, implementation, two pointers	2300	x392
43D	Journey brute force, constructive algorithms, implementation	2000	x1075
43C	Lucky Tickets greedy	1300	x4249
43B	Letter implementation, strings	1100	x16587
43A	Football strings	1000	x55512
42E	Baldman and the military dfs and similar, graphs, trees	2700	x201
42D	Strange town constructive algorithms, math	2300	x401
42C	Safe cracking brute force, constructive algorithms	2200	x480
42B	Game of chess unfinished implementation	1700	x938
42A	Guilty --- to the kitchen! greedy, implementation	1400	x2820
41E	3-cycles constructive algorithms, graphs, greedy	1900	x1943
41D	Pawn dp	1900	x2340
41C	Email address expression parsing, implementation	1300	x3734
41B	Martian Dollar brute force	1400	x3981
41A	Translation implementation, strings	800	x142935
40E	Number Table combinatorics	2500	x668
40D	Interesting Sequence math	2600	x132
40C	Berland Square implementation, math	2300	x247
40B	Repaintings math	1600	x1155
40A	Find Color constructive algorithms, geometry, implementation, math	1300	x3976
39K	Testing	2600	x84
39J	Spelling Check hashing, implementation, strings	1500	x2939
39I	Tram	2500	x138
39H	Multiplication Table implementation	1300	x2706
39G	Inverse Function implementation	2400	x126