Problemset - Codeforces

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Problems

#	Name
68D	Half-decay tree data structures, divide and conquer, dp, math, probabilities	2500	x541
68C	Synchrophasotron brute force	2200	x398
68B	Energy exchange binary search	1600	x5862
68A	Irrational problem implementation, number theory	1100	x5457
67E	Save the City! geometry	2500	x446
67D	Optical Experiment binary search, data structures, dp	1900	x1819
67C	Sequence of Balls dp	2600	x792
67B	Restoration of the Permutation greedy	1800	x961
67A	Partial Teacher dp, graphs, greedy, implementation	1800	x2584
66E	Petya and Post data structures, dp	2000	x971
66D	Petya and His Friends constructive algorithms, math, number theory	1700	x3808
66C	Petya and File System data structures, implementation	1800	x1201
66B	Petya and Countryside brute force, implementation	1100	x23570
66A	Petya and Java implementation, strings	1300	x7197
65E	Harry Potter and Moving Staircases dfs and similar, implementation	2900	x110
65D	Harry Potter and the Sorting Hat brute force, dfs and similar, hashing	2200	x514
65C	Harry Potter and the Golden Snitch binary search, geometry	2100	x898
65B	Harry Potter and the History of Magic brute force, greedy, implementation	1700	x1579
65A	Harry Potter and Three Spells implementation, math	1800	x2064
64I	Sort the Table *special problem, sortings	2400	x95
64H	Table Bowling *special problem, sortings	2300	x123
64G	Path Canonization *special problem	2200	x131
64F	Domain *special problem, expression parsing	2000	x196
64E	Prime Segment *special problem, brute force, math, number theory	1800	x301
64D	Presents *special problem, greedy	1800	x301
64C	Table *special problem, greedy, implementation, math	1600	x362
64B	Expression *special problem, expression parsing	1500	x1061
64A	Factorial *special problem, implementation	1300	x4485
63E	Sweets Game bitmasks, dfs and similar, dp, games, implementation	2000	x904
63D	Dividing Island constructive algorithms	1900	x1467
63C	Bulls and Cows brute force, implementation	1700	x2038
63B	Settlers' Training implementation	1200	x5280
63A	Sinking Ship implementation, sortings, strings	900	x13868
62E	World Evil dp, flows	2700	x342
62D	Wormhouse dfs and similar, graphs	2300	x476
62C	Inquisition geometry, implementation, sortings	2300	x365
62B	Tyndex.Brome binary search, implementation	1800	x1428
62A	A Student's Dream greedy, math	1300	x3895
61E	Enemy is weak data structures, trees	1900	x16798
61D	Eternal Victory dfs and similar, graphs, greedy, shortest paths, trees	1800	x7936
61C	Capture Valerian math	2000	x1013
61B	Hard Work strings	1300	x4337
61A	Ultra-Fast Mathematician implementation	800	x142926
60E	Mushroom Gnomes math, matrices	2600	x529
60D	Savior brute force, dsu, math	2500	x597
60C	Mushroom Strife brute force, dfs and similar	2100	x725
60B	Serial Time! dfs and similar, dsu	1400	x5409
60A	Where Are My Flakes? implementation, two pointers	1300	x4457
59E	Shortest Path graphs, shortest paths	2000	x5360
59D	Team Arrangement constructive algorithms, greedy, implementation	2000	x787
59C	Title expression parsing	1600	x2501
59B	Fortune Telling implementation, number theory	1200	x8191
59A	Word implementation, strings	800	x243200
58E	Expression dp	2400	x487
58D	Calendar greedy, strings	2000	x883
58C	Trees brute force	1800	x2298
58B	Coins greedy	1300	x13504
58A	Chat room greedy, strings	1000	x163172
57E	Chess math, shortest paths	3000	x395
57D	Journey dp, math	2500	x369
57C	Array combinatorics, math	1900	x4503
57B	Martian Architecture implementation	1600	x1190
57A	Square Earth? dfs and similar, greedy, implementation	1300	x3352
56E	Domino Principle binary search, data structures, sortings	2200	x2976
56D	Changing a String dp	2100	x2225
56C	Corporation Mail data structures, expression parsing, implementation	1700	x1325
56B	Spoilt Permutation implementation	1300	x4118
56A	Bar implementation	1000	x9875
55E	Very simple problem geometry, two pointers	2500	x900
55D	Beautiful numbers dp, number theory	2500	x5026
55C	Pie or die games	1900	x1869
55B	Smallest number brute force	1600	x3549
55A	Flea travel implementation, math	1200	x3996
54E	Vacuum Сleaner geometry	2700	x267
54D	Writing a Song brute force, dp, strings	2100	x753
54C	First Digit Law dp, math, probabilities	2000	x1778
54B	Cutting Jigsaw Puzzle hashing, implementation	1800	x933
54A	Presents implementation	1300	x2742
53E	Dead Ends bitmasks, dp	2500	x1419
53D	Physical Education sortings	1500	x2717
53C	Little Frog constructive algorithms	1200	x7338
53B	Blog Photo binary search, implementation	1700	x1598
53A	Autocomplete implementation	1100	x5933
52C	Circular RMQ data structures	2200	x12318
52B	Right Triangles combinatorics	1600	x2510
52A	123-sequence implementation	900	x11027
51F	Caterpillar dfs and similar, dp, graphs, trees	2800	x875
51E	Pentagon combinatorics, graphs, matrices	2400	x507
51D	Geometrical problem implementation	2200	x620
51C	Three Base Stations binary search, greedy	1800	x3035
51B	bHTML Tables Analisys expression parsing	1700	x1069
51A	Cheaterius's Problem implementation	1300	x2129
50E	Square Equation Roots math	2300	x472
50D	Bombing binary search, dp, probabilities	2100	x760
50C	Happy Farm 5 geometry	2000	x952
50B	Choosing Symbol Pairs strings	1500	x6639
50A	Domino piling greedy, math	800	x341441
49E	Common ancestor dp	2300	x827
49D	Game brute force, dp, implementation	1800	x2176
49C	Disposition constructive algorithms, math	1700	x1922

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