Problemset - Codeforces

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Before contest
Codeforces Round (Div. 1)
3 weeks

Before contest
Codeforces Round (Div. 2)
3 weeks

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Difficulty: —

implementation

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Problems

#	Name
67A	Partial Teacher dp, graphs, greedy, implementation	1800	x2111
66C	Petya and File System data structures, implementation	1800	x1025
66B	Petya and Countryside brute force, implementation	1100	x20493
66A	Petya and Java implementation, strings	1300	x6363
65E	Harry Potter and Moving Staircases dfs and similar, implementation	2900	x93
65B	Harry Potter and the History of Magic brute force, greedy, implementation	1700	x1350
65A	Harry Potter and Three Spells implementation, math	1800	x1819
64C	Table *special problem, greedy, implementation, math	1600	x337
64A	Factorial *special problem, implementation	1300	x2801
63E	Sweets Game bitmasks, dfs and similar, dp, games, implementation	2000	x759
63C	Bulls and Cows brute force, implementation	1700	x1688
63B	Settlers' Training implementation	1200	x4822
63A	Sinking Ship implementation, sortings, strings	900	x11348
62C	Inquisition geometry, implementation, sortings	2300	x251
62B	Tyndex.Brome binary search, implementation	1800	x1288
61A	Ultra-Fast Mathematician implementation	800	x110078
60A	Where Are My Flakes? implementation, two pointers	1300	x3613
59D	Team Arrangement constructive algorithms, greedy, implementation	2000	x632
59B	Fortune Telling implementation, number theory	1200	x6866
59A	Word implementation, strings	800	x174151
57B	Martian Architecture implementation	1600	x1014
57A	Square Earth? dfs and similar, greedy, implementation	1300	x2900
56C	Corporation Mail data structures, expression parsing, implementation	1700	x1156
56B	Spoilt Permutation implementation	1300	x3724
56A	Bar implementation	1000	x8621
55A	Flea travel implementation, math	1200	x3405
54B	Cutting Jigsaw Puzzle hashing, implementation	1800	x763
54A	Presents implementation	1300	x2068
53B	Blog Photo binary search, implementation	1700	x1407
53A	Autocomplete implementation	1100	x5047
52A	123-sequence implementation	900	x8669
51D	Geometrical problem implementation	2200	x480
51A	Cheaterius's Problem implementation	1300	x1824
49D	Game brute force, dp, implementation	1800	x1903
49A	Sleuth implementation	800	x13394
48B	Land Lot brute force, implementation	1200	x2678
48A	Rock-paper-scissors implementation, schedules	900	x6165
47C	Crossword implementation	2000	x786
47B	Coins implementation	1200	x13907
46D	Parking Lot data structures, implementation	1800	x979
46B	T-shirts from Sponsor implementation	1100	x3676
46A	Ball Game brute force, implementation	800	x8666
45A	Codecraft III implementation	900	x6678
44G	Shooting Gallery data structures, implementation	2500	x405
44C	Holidays implementation	1300	x3352
44B	Cola implementation	1500	x1979
44A	Indian Summer implementation	900	x10783
43E	Race brute force, implementation, two pointers	2300	x394
43D	Journey brute force, constructive algorithms, implementation	2000	x1081
43B	Letter implementation, strings	1100	x16731
42B	Game of chess unfinished implementation	1700	x946
42A	Guilty --- to the kitchen! greedy, implementation	1400	x2836
41C	Email address expression parsing, implementation	1300	x3751
41A	Translation implementation, strings	800	x144408
40C	Berland Square implementation, math	2300	x252
40A	Find Color constructive algorithms, geometry, implementation, math	1300	x4015
39J	Spelling Check hashing, implementation, strings	1500	x2966
39H	Multiplication Table implementation	1300	x2734
39G	Inverse Function implementation	2400	x129
39F	Pacifist frogs implementation	1300	x1552
38D	Vasya the Architect implementation	1900	x495
38B	Chess brute force, implementation, math	1200	x3523
38A	Army implementation	800	x21118
37B	Computer Game greedy, implementation	1800	x895
36E	Two Paths constructive algorithms, dsu, graphs, implementation	2600	x520
36C	Bowls geometry, implementation	2200	x338
36B	Fractal implementation	1600	x1489
36A	Extra-terrestrial Intelligence implementation	1300	x2999
35B	Warehouse implementation	1700	x1015
35A	Shell Game implementation	1000	x6809
34E	Collisions brute force, implementation, math	2000	x588
34C	Page Numbers expression parsing, implementation, sortings, strings	1300	x4220
34A	Reconnaissance 2 implementation	800	x29752
33A	What is for dinner? greedy, implementation	1200	x4047
32E	Hide-and-Seek geometry, implementation	2400	x336
32D	Constellation implementation	1600	x1276
32B	Borze expression parsing, implementation	800	x63314
31D	Chocolate dfs and similar, implementation	2000	x1040
31C	Schedule implementation	1700	x1810
31B	Sysadmin Bob greedy, implementation, strings	1500	x4274
31A	Worms Evolution implementation	1200	x10279
30B	Codeforces World Finals implementation	1700	x1196
29C	Mail Stamps data structures, dfs and similar, graphs, implementation	1700	x4890
29B	Traffic Lights implementation	1500	x2950
28A	Bender Problem implementation	1600	x797
27A	Next Test implementation, sortings	1200	x20164
26C	Parquet combinatorics, constructive algorithms, greedy, implementation	2000	x856
25B	Phone numbers implementation	1100	x9660
24C	Sequence of points geometry, implementation, math	1800	x1253
24B	F1 Champions implementation	1500	x1778
21B	Intersection implementation, math	2000	x1347
21A	Jabber ID implementation, strings	1900	x1851
20A	BerOS file system implementation	1700	x6180
19A	World Football Cup implementation	1400	x2744
18C	Stripe data structures, implementation	1200	x13086
16D	Logging implementation, strings	1900	x1577
16B	Burglar and Matches greedy, implementation, sortings	900	x17912
16A	Flag implementation	800	x14270
15D	Map data structures, implementation, sortings	2500	x761
15A	Cottage Village implementation, sortings	1200	x3909