Problemset - Codeforces

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Codeforces Round 987 (Div. 2)
46:32:54
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Problems

#	Name
418D	Big Problems for Organizers data structures, graphs, trees	2800	x482
417E	Square Table constructive algorithms, math, probabilities	2400	x841
417D	Cunning Gena bitmasks, dp, greedy, sortings	1900	x2530
417C	Football constructive algorithms, graphs, implementation	1400	x4676
417B	Crash implementation	1400	x1790
417A	Elimination dp, implementation, math	1500	x3020
416E	President's Path dp, graphs, shortest paths	2500	x1504
416D	Population Size greedy, implementation, math	2400	x950
416C	Booking System binary search, dp, greedy, implementation	1600	x8048
416B	Art Union brute force, dp, implementation	1300	x8767
416A	Guess a number! greedy, implementation, two pointers	1400	x8978
415B	Mashmokh and Tokens binary search, greedy, implementation, math	1500	x6322
415A	Mashmokh and Lights implementation	900	x9016
414E	Mashmokh's Designed Problem data structures	3200	x200
414D	Mashmokh and Water Tanks binary search, data structures, greedy, trees, two pointers	2300	x686
414C	Mashmokh and Reverse Operation combinatorics, divide and conquer	2100	x2223
414B	Mashmokh and ACM combinatorics, dp, number theory	1400	x22557
414A	Mashmokh and Numbers constructive algorithms, number theory	1500	x9850
413E	Maze 2D data structures, divide and conquer	2200	x732
413D	2048 bitmasks, dp	2000	x822
413C	Jeopardy! greedy, math	1400	x2388
413B	Spyke Chatting implementation	1300	x1711
413A	Data Recovery implementation	1200	x2657
412E	E-mail Addresses implementation	1900	x846
412D	Giving Awards dfs and similar	2000	x1947
412C	Pattern implementation, strings	1200	x3936
412B	Network Configuration greedy, sortings	900	x5433
412A	Poster greedy, implementation	900	x4467
411C	Kicker implementation	1700	x1229
411B	Multi-core Processor implementation	1600	x1280
411A	Password Check *special problem, implementation	800	x7273
409I	Feed the Golorp *special problem	2400	x127
409H	A + B Strikes Back *special problem, brute force, constructive algorithms, dsu, implementation	1500	x8952
409G	On a plane *special problem, geometry	2200	x521
409F	000001 *special problem	1900	x2092
409E	Dome *special problem	1800	x578
409D	Big Data *special problem	1700	x1715
409C	Magnum Opus *special problem	1700	x1981
409B	Mysterious Language *special problem	1700	x1358
409A	The Great Game *special problem	1700	x2468
408B	Garland implementation	1200	x9360
408A	Line to Cashier implementation	900	x11280
407E	k-d-sequence data structures	3100	x787
407D	Largest Submatrix 3 dp, hashing	2700	x676
407C	Curious Array brute force, combinatorics, implementation, math	2500	x1008
407B	Long Path dp, implementation	1600	x6593
407A	Triangle brute force, geometry, implementation, math	1600	x4895
406E	Hamming Triples implementation, math, two pointers	2800	x248
406D	Hill Climbing dfs and similar, geometry, trees	2200	x1178
405E	Graph Cutting dfs and similar, graphs	2300	x1435
405D	Toy Sum greedy, implementation, math	1700	x3123
405C	Unusual Product implementation, math	1600	x4676
405B	Domino Effect	1100	x5777
405A	Gravity Flip greedy, implementation, sortings	900	x102443
404E	Maze 1D binary search, greedy, implementation	2200	x578
404D	Minesweeper 1D dp, implementation	1900	x2157
404C	Restore Graph dfs and similar, graphs, sortings	1800	x5234
404B	Marathon implementation, math	1500	x2932
404A	Valera and X implementation	1000	x24057
403E	Two Rooted Trees data structures, implementation, trees	2900	x219
403D	Beautiful Pairs of Numbers combinatorics, dp	2300	x1109
402E	Strictly Positive Matrix graphs, math	2200	x2193
402D	Upgrading Array dp, greedy, math, number theory	1800	x2621
402C	Searching for Graph brute force, constructive algorithms, graphs	1500	x5953
402B	Trees in a Row brute force, implementation	1400	x3818
402A	Nuts greedy, math	1100	x4612
401E	Olympic Games math	2500	x168
401D	Roman and Numbers bitmasks, brute force, combinatorics, dp, number theory	2000	x4191
401C	Team constructive algorithms, greedy, implementation	1400	x20063
401B	Sereja and Contests greedy, implementation, math	1200	x4436
401A	Vanya and Cards implementation, math	800	x16318
400E	Inna and Binary Logic binary search, bitmasks, data structures	2100	x970
400D	Dima and Bacteria dsu, graphs, shortest paths	2000	x2915
400C	Inna and Huge Candy Matrix implementation, math	1500	x2901
400B	Inna and New Matrix of Candies brute force, implementation, schedules	1200	x7768
400A	Inna and Choose Options implementation	1000	x6528
399B	Red and Blue Balls		x1842
399A	Pages implementation		x4158
398E	Sorting Permutations		x91
398D	Instant Messanger data structures		x936
398C	Tree and Array constructive algorithms		x214
398B	Painting The Wall dp, probabilities		x1031
398A	Cards constructive algorithms, implementation		x926
397B	On Corruption and Numbers constructive algorithms, implementation, math		x753
397A	On Segment's Own Points implementation		x2630
396E	On Iteration of One Well-Known Function math		x152
396D	On Sum of Number of Inversions in Permutations combinatorics, math		x437
396C	On Changing Tree data structures, graphs, trees		x1604
396B	On Sum of Fractions math, number theory		x1079
396A	On Number of Decompositions into Multipliers combinatorics, math, number theory		x1513
394E	Lightbulb for Minister geometry		x117
394D	Physical Education and Buns brute force, implementation, math		x271
394C	Dominoes constructive algorithms, greedy		x520
394B	Very Beautiful Number math		x575
394A	Counting Sticks brute force, implementation		x2664
393B	Three matrices		x1986
393A	Nineteen		x6648
392E	Deleting Substrings		x179
392D	Three Arrays data structures		x217
392C	Yet Another Number Sequence combinatorics, math, matrices		x591