Problemset - Codeforces

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Codeforces Round 950 (Div. 3)
39:33:01
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Problems

#	Name
70E	Information Reform dp, implementation, trees	2700	x481
70D	Professor's task data structures, geometry	2700	x960
70C	Lucky Tickets binary search, data structures, sortings, two pointers	2200	x562
70B	Text Messaging expression parsing, greedy, strings	1600	x1721
70A	Cookies math	1300	x3227
69E	Subsegments data structures, implementation	1800	x4043
69D	Dot dp, games	1900	x936
69C	Game implementation	2000	x568
69B	Bets greedy, implementation	1200	x3196
69A	Young Physicist implementation, math	1000	x156439
68E	Contact geometry	2900	x71
68D	Half-decay tree data structures, divide and conquer, dp, math, probabilities	2500	x451
68C	Synchrophasotron brute force	2200	x305
68B	Energy exchange binary search	1600	x4158
68A	Irrational problem implementation, number theory	1100	x4832
67E	Save the City! geometry	2500	x313
67D	Optical Experiment binary search, data structures, dp	1900	x1346
67C	Sequence of Balls dp	2600	x630
67B	Restoration of the Permutation greedy	1800	x756
67A	Partial Teacher dp, graphs, greedy, implementation	1800	x2063
66E	Petya and Post data structures, dp	2000	x687
66D	Petya and His Friends constructive algorithms, math, number theory	1700	x3063
66C	Petya and File System data structures, implementation	1800	x1000
66B	Petya and Countryside brute force, implementation	1100	x19620
66A	Petya and Java implementation, strings	1300	x6236
65E	Harry Potter and Moving Staircases dfs and similar, implementation	2900	x86
65D	Harry Potter and the Sorting Hat brute force, dfs and similar, hashing	2200	x421
65C	Harry Potter and the Golden Snitch binary search, geometry	2100	x773
65B	Harry Potter and the History of Magic brute force, greedy, implementation	1700	x1322
65A	Harry Potter and Three Spells implementation, math	1800	x1786
64I	Sort the Table *special problem, sortings	2400	x85
64H	Table Bowling *special problem, sortings	2300	x111
64G	Path Canonization *special problem	2200	x117
64F	Domain *special problem, expression parsing	2000	x176
64E	Prime Segment *special problem, brute force, math, number theory	1800	x235
64D	Presents *special problem, greedy	1800	x282
64C	Table *special problem, greedy, implementation, math	1600	x332
64B	Expression *special problem, expression parsing	1500	x1000
64A	Factorial *special problem, implementation	1300	x2716
63E	Sweets Game bitmasks, dfs and similar, dp, games, implementation	2000	x717
63D	Dividing Island constructive algorithms	1900	x1227
63C	Bulls and Cows brute force, implementation	1700	x1641
63B	Settlers' Training implementation	1200	x4723
63A	Sinking Ship implementation, sortings, strings	900	x10935
62E	World Evil dp, flows	2700	x224
62D	Wormhouse dfs and similar, graphs	2300	x350
62C	Inquisition geometry, implementation, sortings	2300	x248
62B	Tyndex.Brome binary search, implementation	1800	x1264
62A	A Student's Dream greedy, math	1300	x3379
61E	Enemy is weak data structures, trees	1900	x10220
61D	Eternal Victory dfs and similar, graphs, greedy, shortest paths, trees	1800	x6283
61C	Capture Valerian math	2000	x695
61B	Hard Work strings	1300	x3794
61A	Ultra-Fast Mathematician implementation	800	x104582
60E	Mushroom Gnomes math, matrices	2600	x317
60D	Savior brute force, dsu, math	2500	x397
60C	Mushroom Strife brute force, dfs and similar	2100	x552
60B	Serial Time! dfs and similar, dsu	1400	x4463
60A	Where Are My Flakes? implementation, two pointers	1300	x3537
59E	Shortest Path graphs, shortest paths	2000	x3159
59D	Team Arrangement constructive algorithms, greedy, implementation	2000	x606
59C	Title expression parsing	1600	x2017
59B	Fortune Telling implementation, number theory	1200	x6714
59A	Word implementation, strings	800	x163949
58E	Expression dp	2400	x349
58D	Calendar greedy, strings	2000	x714
58C	Trees brute force	1800	x1973
58B	Coins greedy	1300	x11863
58A	Chat room greedy, strings	1000	x123286
57E	Chess math, shortest paths	3000	x251
57D	Journey dp, math	2500	x330
57C	Array combinatorics, math	1900	x2349
57B	Martian Architecture implementation	1600	x989
57A	Square Earth? dfs and similar, greedy, implementation	1300	x2820
56E	Domino Principle binary search, data structures, sortings	2200	x2227
56D	Changing a String dp	2100	x1536
56C	Corporation Mail data structures, expression parsing, implementation	1700	x1123
56B	Spoilt Permutation implementation	1300	x3631
56A	Bar implementation	1000	x8361
55E	Very simple problem geometry, two pointers	2500	x678
55D	Beautiful numbers dp, number theory	2500	x3622
55C	Pie or die games	1900	x1591
55B	Smallest number brute force	1600	x2650
55A	Flea travel implementation, math	1200	x3344
54E	Vacuum Сleaner geometry	2700	x188
54D	Writing a Song brute force, dp, strings	2100	x513
54C	First Digit Law dp, math, probabilities	2000	x1250
54B	Cutting Jigsaw Puzzle hashing, implementation	1800	x740
54A	Presents implementation	1300	x2011
53E	Dead Ends bitmasks, dp	2500	x907
53D	Physical Education sortings	1500	x1949
53C	Little Frog constructive algorithms	1200	x6236
53B	Blog Photo binary search, implementation	1700	x1371
53A	Autocomplete implementation	1100	x4859
52C	Circular RMQ data structures	2200	x8280
52B	Right Triangles combinatorics	1600	x1985
52A	123-sequence implementation	900	x8352
51F	Caterpillar dfs and similar, dp, graphs, trees	2800	x548
51E	Pentagon combinatorics, graphs, matrices	2400	x368
51D	Geometrical problem implementation	2200	x419