Problemset - Codeforces

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Codeforces Round 974 (Div. 3)
13:55:21
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Problems

#	Name
440C	One-Based Arithmetic brute force, dfs and similar, divide and conquer	1800	x905
440B	Balancer greedy, implementation	1600	x1965
439E	Devu and Birthday Celebration combinatorics, dp, math	2100	x1563
439D	Devu and his Brother binary search, sortings, ternary search, two pointers	1700	x6038
439C	Devu and Partitioning of the Array brute force, constructive algorithms, implementation, number theory	1700	x3859
438E	The Child and Binary Tree combinatorics, divide and conquer, fft, number theory	3100	x1880
438D	The Child and Sequence data structures, math	2300	x8499
437E	The Child and Polygon dp, geometry	2500	x706
437D	The Child and Zoo dsu, sortings	1900	x3369
436F	Banners brute force, data structures, dp	3000	x389
436E	Cardboard Box data structures, greedy	2600	x1334
436D	Pudding Monsters dp	2800	x326
436C	Dungeons and Candies dsu, graphs, greedy, trees	1800	x2624
435E	Special Graph	2500	x240
435D	Special Grid brute force, dp, greedy	2000	x756
435C	Cardiogram implementation	1600	x2565
434E	Furukawa Nagisa's Tree binary search, divide and conquer, sortings, trees	3000	x260
434D	Nanami's Power Plant flows	2900	x464
433E	Tachibana Kanade's Tofu dp	2500	x477
433D	Nanami's Digital Board dsu, implementation	2000	x1242
433C	Ryouko's Memory Note implementation, math, sortings	1800	x2481
432E	Square Tiling constructive algorithms, greedy	2300	x687
432D	Prefixes and Suffixes dp, string suffix structures, strings, two pointers	2000	x9002
432C	Prime Swaps greedy, sortings	1800	x2511
431E	Chemistry Experiment binary search, data structures, ternary search	2200	x996
431D	Random Task binary search, bitmasks, combinatorics, dp, math	2100	x2312
431C	k-Tree dp, implementation, trees	1600	x25467
430A	Points and Segments (easy) constructive algorithms, sortings	1600	x2236
429E	Points and Segments graphs	3000	x857
429D	Tricky Function data structures, divide and conquer, geometry	2200	x2909
429C	Guess the Tree bitmasks, constructive algorithms, dp, greedy, trees	2300	x941
429B	Working out dp	1600	x8581
427E	Police Patrol greedy, implementation, math, ternary search	2000	x1422
427D	Match & Catch dp, string suffix structures, strings	2200	x2167
427C	Checkposts dfs and similar, graphs, two pointers	1700	x13828
425E	Sereja and Sets dp	2500	x640
425D	Sereja and Squares binary search, data structures, hashing	2300	x1433
425C	Sereja and Two Sequences data structures, dp	2300	x895
425B	Sereja and Table bitmasks, greedy	2200	x1310
424E	Colored Jenga dfs and similar, dp, probabilities	2500	x132
424D	Biathlon Track binary search, brute force, constructive algorithms, data structures, dp	2300	x562
424C	Magic Formulas math	1600	x5335
421D	Bug in Code binary search, data structures, sortings	1900	x526
420E	Playing the ball geometry	2600	x217
420D	Cup Trick data structures	2200	x830
420C	Bug in Code data structures, graphs, implementation, two pointers	1900	x1256
420B	Online Meeting implementation	1800	x1037
418E	Tricky Password data structures	3100	x302
418D	Big Problems for Organizers data structures, graphs, trees	2800	x479
417E	Square Table constructive algorithms, math, probabilities	2400	x822
417D	Cunning Gena bitmasks, dp, greedy, sortings	1900	x2468
416E	President's Path dp, graphs, shortest paths	2500	x1448
416D	Population Size greedy, implementation, math	2400	x943
416C	Booking System binary search, dp, greedy, implementation	1600	x7869
414E	Mashmokh's Designed Problem data structures	3200	x200
414D	Mashmokh and Water Tanks binary search, data structures, greedy, trees, two pointers	2300	x682
414C	Mashmokh and Reverse Operation combinatorics, divide and conquer	2100	x2216
413E	Maze 2D data structures, divide and conquer	2200	x700
413D	2048 bitmasks, dp	2000	x811
412E	E-mail Addresses implementation	1900	x840
412D	Giving Awards dfs and similar	2000	x1875
411C	Kicker implementation	1700	x1224
411B	Multi-core Processor implementation	1600	x1274
409I	Feed the Golorp *special problem	2400	x122
409G	On a plane *special problem, geometry	2200	x516
409F	000001 *special problem	1900	x2087
409E	Dome *special problem	1800	x572
409D	Big Data *special problem	1700	x1710
409C	Magnum Opus *special problem	1700	x1974
409B	Mysterious Language *special problem	1700	x1355
409A	The Great Game *special problem	1700	x2463
407E	k-d-sequence data structures	3100	x741
407D	Largest Submatrix 3 dp, hashing	2700	x561
407C	Curious Array brute force, combinatorics, implementation, math	2500	x988
407B	Long Path dp, implementation	1600	x6492
407A	Triangle brute force, geometry, implementation, math	1600	x4869
406E	Hamming Triples implementation, math, two pointers	2800	x234
406D	Hill Climbing dfs and similar, geometry, trees	2200	x1165
405E	Graph Cutting dfs and similar, graphs	2300	x1390
405D	Toy Sum greedy, implementation, math	1700	x3113
405C	Unusual Product implementation, math	1600	x4618
404E	Maze 1D binary search, greedy, implementation	2200	x576
404D	Minesweeper 1D dp, implementation	1900	x2144
404C	Restore Graph dfs and similar, graphs, sortings	1800	x5189
403E	Two Rooted Trees data structures, implementation, trees	2900	x210
403D	Beautiful Pairs of Numbers combinatorics, dp	2300	x1098
402E	Strictly Positive Matrix graphs, math	2200	x2179
402D	Upgrading Array dp, greedy, math, number theory	1800	x2605
401E	Olympic Games math	2500	x168
401D	Roman and Numbers bitmasks, brute force, combinatorics, dp, number theory	2000	x4141
400E	Inna and Binary Logic binary search, bitmasks, data structures	2100	x947
400D	Dima and Bacteria dsu, graphs, shortest paths	2000	x2896
388E	Fox and Meteor Shower geometry	3100	x122
388D	Fox and Perfect Sets math	2700	x442
388C	Fox and Card Game games, greedy, sortings	2000	x3345
388B	Fox and Minimal path bitmasks, constructive algorithms, graphs, implementation, math	1900	x2468
387E	George and Cards binary search, data structures	2200	x879
387D	George and Interesting Graph graph matchings	2200	x997
387C	George and Number greedy, implementation	1700	x2182
386D	Game with Points dp, graphs, implementation, shortest paths	2100	x428