Problemset - Codeforces

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Problems

#	Name
40A	Find Color constructive algorithms, geometry, implementation, math	1300	x3252
39K	Testing	2600	x65
39J	Spelling Check hashing, implementation, strings	1500	x2354
39I	Tram	2500	x102
39H	Multiplication Table implementation	1300	x2113
39G	Inverse Function implementation	2400	x99
39F	Pacifist frogs implementation	1300	x1281
39E	What Has Dirichlet Got to Do with That? dp, games	2000	x779
39D	Cubical Planet math	1100	x3149
39C	Moon Craters dp, sortings	2100	x520
39B	Company Income Growth greedy	1300	x2243
39A	C*++ Calculations expression parsing, greedy	2000	x595
38H	The Great Marathon dp	2400	x226
38G	Queue data structures	2300	x599
38F	Smart Boy dp, games, strings	2100	x332
38E	Let's Go Rolling! dp, sortings	1800	x2158
38D	Vasya the Architect implementation	1900	x424
38C	Blinds brute force	1400	x1880
38B	Chess brute force, implementation, math	1200	x2961
38A	Army implementation	800	x16578
37E	Trial for Chief graphs, greedy, shortest paths	2600	x471
37D	Lesson Timetable combinatorics, dp, math	2300	x337
37C	Old Berland Language data structures, greedy, trees	1900	x1230
37B	Computer Game greedy, implementation	1800	x802
37A	Towers sortings	1000	x19659
36E	Two Paths constructive algorithms, dsu, graphs, implementation	2600	x352
36D	New Game with a Chess Piece games	2300	x577
36C	Bowls geometry, implementation	2200	x250
36B	Fractal implementation	1600	x1264
36A	Extra-terrestrial Intelligence implementation	1300	x2605
35E	Parade data structures, sortings	2100	x629
35D	Animals dp, greedy	1700	x2615
35C	Fire Again brute force, dfs and similar, shortest paths	1500	x5084
35B	Warehouse implementation	1700	x915
35A	Shell Game implementation	1000	x5843
34E	Collisions brute force, implementation, math	2000	x527
34D	Road Map dfs and similar, graphs	1600	x4061
34C	Page Numbers expression parsing, implementation, sortings, strings	1300	x3553
34B	Sale greedy, sortings	900	x36822
34A	Reconnaissance 2 implementation	800	x22548
33E	Helper	2600	x106
33D	Knights geometry, graphs, shortest paths, sortings	2000	x1013
33C	Wonderful Randomized Sum greedy	1800	x2442
33B	String Problem shortest paths	1800	x3106
33A	What is for dinner? greedy, implementation	1200	x3215
32E	Hide-and-Seek geometry, implementation	2400	x276
32D	Constellation implementation	1600	x1111
32C	Flea math	1700	x1802
32B	Borze expression parsing, implementation	800	x42737
32A	Reconnaissance brute force	800	x9769
31E	TV Game dp	2400	x889
31D	Chocolate dfs and similar, implementation	2000	x865
31C	Schedule implementation	1700	x1550
31B	Sysadmin Bob greedy, implementation, strings	1500	x3493
31A	Worms Evolution implementation	1200	x8545
30E	Tricky and Clever Password binary search, constructive algorithms, data structures, greedy, hashing, strings	2800	x557
30D	King's Problem? geometry, greedy	2600	x350
30C	Shooting Gallery dp, probabilities	1800	x1569
30B	Codeforces World Finals implementation	1700	x1006
30A	Accounting brute force, math	1400	x2903
29E	Quarrel graphs, shortest paths	2400	x637
29D	Ant on the Tree constructive algorithms, dfs and similar, trees	2000	x1893
29C	Mail Stamps data structures, dfs and similar, graphs, implementation	1700	x3674
29B	Traffic Lights implementation	1500	x2470
29A	Spit Problem brute force	1000	x5840
28E	DravDe saves the world geometry, math	2800	x67
28D	Don't fear, DravDe is kind binary search, data structures, dp, hashing	2400	x521
28C	Bath Queue combinatorics, dp, probabilities	2200	x851
28B	pSort dfs and similar, dsu, graphs	1600	x3611
28A	Bender Problem implementation	1600	x686
27E	Number With The Given Amount Of Divisors brute force, dp, number theory	2000	x3308
27D	Ring Road 2 2-sat, dfs and similar, dsu, graphs	2200	x2060
27C	Unordered Subsequence constructive algorithms, greedy	1900	x2322
27B	Tournament bitmasks, brute force, dfs and similar, greedy	1300	x4418
27A	Next Test implementation, sortings	1200	x15927
26E	Multithreading constructive algorithms	2400	x321
26D	Tickets combinatorics, math, probabilities	2400	x640
26C	Parquet combinatorics, constructive algorithms, greedy, implementation	2000	x717
26B	Regular Bracket Sequence greedy	1400	x12104
26A	Almost Prime number theory	900	x20729
25E	Test hashing, strings	2200	x1666
25D	Roads not only in Berland dsu, graphs, trees	1900	x7899
25C	Roads in Berland graphs, shortest paths	1900	x4787
25B	Phone numbers implementation	1100	x7706
25A	IQ test brute force	1300	x64082
24E	Berland collider binary search	2300	x761
24D	Broken robot dp, math, probabilities	2400	x1315
24C	Sequence of points geometry, implementation, math	1800	x1102
24B	F1 Champions implementation	1500	x1485
24A	Ring road graphs	1400	x4081
23E	Tree dp	2500	x517
23D	Tetragon geometry, math	2600	x295
23C	Oranges and Apples constructive algorithms, sortings	2500	x1070
23B	Party constructive algorithms, graphs, math	1600	x2621
23A	You're Given a String... brute force, greedy	1200	x4277
22E	Scheme dfs and similar, graphs, trees	2300	x1208
22D	Segments greedy, sortings	1900	x2234
22C	System Administrator graphs	1700	x2485
22B	Bargaining Table brute force, dp	1500	x3552
22A	Second Order Statistics brute force	800	x16339