Problemset - Codeforces

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Educational Codeforces Round 170 (Rated for Div. 2)
13 days

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Difficulty: —

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Problems

#	Name
46C	Hamsters and Tigers two pointers	1600	x2427
46B	T-shirts from Sponsor implementation	1100	x3676
46A	Ball Game brute force, implementation	800	x8666
45J	Planting Trees constructive algorithms	1800	x940
45I	TCMCF+++ greedy	1400	x2392
45H	Road Problem graphs	2100	x191
45G	Prime Problem number theory	2200	x1044
45F	Goats and Wolves greedy	2500	x143
45E	Director constructive algorithms, greedy	2000	x544
45D	Event Dates greedy, meet-in-the-middle, sortings	1900	x1685
45C	Dancing Lessons data structures	1900	x898
45B	School dp, dsu	2200	x279
45A	Codecraft III implementation	900	x6679
44J	Triminoes constructive algorithms, greedy	2000	x571
44I	Toys brute force, combinatorics	2300	x194
44H	Phone Number dp	1700	x1737
44G	Shooting Gallery data structures, implementation	2500	x405
44F	BerPaint geometry, graphs	2700	x67
44E	Anfisa the Monkey dp	1400	x5081
44D	Hyperdrive math	1800	x713
44C	Holidays implementation	1300	x3352
44B	Cola implementation	1500	x1979
44A	Indian Summer implementation	900	x10786
43E	Race brute force, implementation, two pointers	2300	x394
43D	Journey brute force, constructive algorithms, implementation	2000	x1081
43C	Lucky Tickets greedy	1300	x4265
43B	Letter implementation, strings	1100	x16732
43A	Football strings	1000	x56099
42E	Baldman and the military dfs and similar, graphs, trees	2700	x203
42D	Strange town constructive algorithms, math	2300	x407
42C	Safe cracking brute force, constructive algorithms	2200	x484
42B	Game of chess unfinished implementation	1700	x946
42A	Guilty --- to the kitchen! greedy, implementation	1400	x2836
41E	3-cycles constructive algorithms, graphs, greedy	1900	x1957
41D	Pawn dp	1900	x2363
41C	Email address expression parsing, implementation	1300	x3751
41B	Martian Dollar brute force	1400	x4011
41A	Translation implementation, strings	800	x144427
40E	Number Table combinatorics	2500	x682
40D	Interesting Sequence math	2600	x141
40C	Berland Square implementation, math	2300	x252
40B	Repaintings math	1600	x1165
40A	Find Color constructive algorithms, geometry, implementation, math	1300	x4015
39K	Testing	2600	x85
39J	Spelling Check hashing, implementation, strings	1500	x2966
39I	Tram	2500	x140
39H	Multiplication Table implementation	1300	x2734
39G	Inverse Function implementation	2400	x129
39F	Pacifist frogs implementation	1300	x1552
39E	What Has Dirichlet Got to Do with That? dp, games	2000	x879
39D	Cubical Planet math	1100	x3946
39C	Moon Craters dp, sortings	2100	x600
39B	Company Income Growth greedy	1300	x2650
39A	C*++ Calculations expression parsing, greedy	2000	x682
38H	The Great Marathon dp	2400	x287
38G	Queue data structures	2300	x703
38F	Smart Boy dp, games, strings	2100	x388
38E	Let's Go Rolling! dp, sortings	1800	x2574
38D	Vasya the Architect implementation	1900	x495
38C	Blinds brute force	1400	x2169
38B	Chess brute force, implementation, math	1200	x3523
38A	Army implementation	800	x21118
37E	Trial for Chief graphs, greedy, shortest paths	2600	x615
37D	Lesson Timetable combinatorics, dp, math	2300	x413
37C	Old Berland Language data structures, greedy, trees	1900	x1669
37B	Computer Game greedy, implementation	1800	x895
37A	Towers sortings	1000	x24378
36E	Two Paths constructive algorithms, dsu, graphs, implementation	2600	x521
36D	New Game with a Chess Piece games	2300	x705
36C	Bowls geometry, implementation	2200	x338
36B	Fractal implementation	1600	x1491
36A	Extra-terrestrial Intelligence implementation	1300	x2999
35E	Parade data structures, sortings	2100	x737
35D	Animals dp, greedy	1700	x3318
35C	Fire Again brute force, dfs and similar, shortest paths	1500	x6793
35B	Warehouse implementation	1700	x1015
35A	Shell Game implementation	1000	x6809
34E	Collisions brute force, implementation, math	2000	x588
34D	Road Map dfs and similar, graphs	1600	x5131
34C	Page Numbers expression parsing, implementation, sortings, strings	1300	x4220
34B	Sale greedy, sortings	900	x52044
34A	Reconnaissance 2 implementation	800	x29754
33E	Helper	2600	x129
33D	Knights geometry, graphs, shortest paths, sortings	2000	x1209
33C	Wonderful Randomized Sum greedy	1800	x2992
33B	String Problem shortest paths	1800	x4526
33A	What is for dinner? greedy, implementation	1200	x4048
32E	Hide-and-Seek geometry, implementation	2400	x336
32D	Constellation implementation	1600	x1276
32C	Flea math	1700	x2141
32B	Borze expression parsing, implementation	800	x63323
32A	Reconnaissance brute force	800	x12489
31E	TV Game dp	2400	x1080
31D	Chocolate dfs and similar, implementation	2000	x1040
31C	Schedule implementation	1700	x1810
31B	Sysadmin Bob greedy, implementation, strings	1500	x4275
31A	Worms Evolution implementation	1200	x10279
30E	Tricky and Clever Password binary search, constructive algorithms, data structures, greedy, hashing, strings	2800	x741
30D	King's Problem? geometry, greedy	2600	x435
30C	Shooting Gallery dp, probabilities	1800	x1952