Problemset - Codeforces

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Codeforces Round 976 (Div. 2) and Divide By Zero 9.0
02:02:27
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Problems

#	Name
420D	Cup Trick data structures	2200	x830
420C	Bug in Code data structures, graphs, implementation, two pointers	1900	x1259
420B	Online Meeting implementation	1800	x1042
418E	Tricky Password data structures	3100	x309
418D	Big Problems for Organizers data structures, graphs, trees	2800	x480
417E	Square Table constructive algorithms, math, probabilities	2400	x824
417D	Cunning Gena bitmasks, dp, greedy, sortings	1900	x2474
417C	Football constructive algorithms, graphs, implementation	1400	x4662
417B	Crash implementation	1400	x1774
417A	Elimination dp, implementation, math	1500	x2985
416E	President's Path dp, graphs, shortest paths	2500	x1451
416D	Population Size greedy, implementation, math	2400	x950
416C	Booking System binary search, dp, greedy, implementation	1600	x7934
416A	Guess a number! greedy, implementation, two pointers	1400	x8895
415B	Mashmokh and Tokens binary search, greedy, implementation, math	1500	x6272
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
414B	Mashmokh and ACM combinatorics, dp, number theory	1400	x22201
414A	Mashmokh and Numbers constructive algorithms, number theory	1500	x9789
413E	Maze 2D data structures, divide and conquer	2200	x717
413D	2048 bitmasks, dp	2000	x812
413C	Jeopardy! greedy, math	1400	x2376
412E	E-mail Addresses implementation	1900	x840
412D	Giving Awards dfs and similar	2000	x1882
411C	Kicker implementation	1700	x1227
411B	Multi-core Processor implementation	1600	x1277
409I	Feed the Golorp *special problem	2400	x125
409H	A + B Strikes Back *special problem, brute force, constructive algorithms, dsu, implementation	1500	x8884
409G	On a plane *special problem, geometry	2200	x520
409F	000001 *special problem	1900	x2091
409E	Dome *special problem	1800	x576
409D	Big Data *special problem	1700	x1713
409C	Magnum Opus *special problem	1700	x1978
409B	Mysterious Language *special problem	1700	x1357
409A	The Great Game *special problem	1700	x2467
407E	k-d-sequence data structures	3100	x758
407D	Largest Submatrix 3 dp, hashing	2700	x635
407C	Curious Array brute force, combinatorics, implementation, math	2500	x988
407B	Long Path dp, implementation	1600	x6513
407A	Triangle brute force, geometry, implementation, math	1600	x4874
406E	Hamming Triples implementation, math, two pointers	2800	x234
406D	Hill Climbing dfs and similar, geometry, trees	2200	x1169
405E	Graph Cutting dfs and similar, graphs	2300	x1393
405D	Toy Sum greedy, implementation, math	1700	x3117
405C	Unusual Product implementation, math	1600	x4625
404E	Maze 1D binary search, greedy, implementation	2200	x577
404D	Minesweeper 1D dp, implementation	1900	x2149
404C	Restore Graph dfs and similar, graphs, sortings	1800	x5200
404B	Marathon implementation, math	1500	x2923
403E	Two Rooted Trees data structures, implementation, trees	2900	x212
403D	Beautiful Pairs of Numbers combinatorics, dp	2300	x1098
402E	Strictly Positive Matrix graphs, math	2200	x2180
402D	Upgrading Array dp, greedy, math, number theory	1800	x2608
402C	Searching for Graph brute force, constructive algorithms, graphs	1500	x5865
402B	Trees in a Row brute force, implementation	1400	x3805
401E	Olympic Games math	2500	x168
401D	Roman and Numbers bitmasks, brute force, combinatorics, dp, number theory	2000	x4148
401C	Team constructive algorithms, greedy, implementation	1400	x19944
400E	Inna and Binary Logic binary search, bitmasks, data structures	2100	x948
400D	Dima and Bacteria dsu, graphs, shortest paths	2000	x2897
400C	Inna and Huge Candy Matrix implementation, math	1500	x2890
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	x3354
388B	Fox and Minimal path bitmasks, constructive algorithms, graphs, implementation, math	1900	x2473
388A	Fox and Box Accumulation greedy, sortings	1400	x11474
387E	George and Cards binary search, data structures	2200	x879
387D	George and Interesting Graph graph matchings	2200	x1002
387C	George and Number greedy, implementation	1700	x2185
386D	Game with Points dp, graphs, implementation, shortest paths	2100	x434
386C	Diverse Substrings dp, strings, two pointers	2000	x780
386B	Fly, freebies, fly! binary search, brute force, implementation	1400	x2161
385E	Bear in the Field math, matrices	2300	x589
385D	Bear and Floodlight bitmasks, dp, geometry	2200	x810
385C	Bear and Prime Numbers binary search, brute force, data structures, dp, implementation, math, number theory	1700	x9622
384B	Multitasking greedy, implementation, sortings, two pointers	1500	x3525
383E	Vowels combinatorics, divide and conquer, dp	2700	x3037
383D	Antimatter dp	2300	x2972
383C	Propagating tree data structures, dfs and similar, trees	2000	x6416
383B	Volcanoes binary search, implementation, sortings, two pointers	2500	x664
383A	Milking cows data structures, greedy	1600	x5256
382E	Ksenia and Combinatorics combinatorics, dp	2600	x379
382D	Ksenia and Pawns dfs and similar, graphs, implementation, trees	2200	x670
382C	Arithmetic Progression implementation, sortings	1700	x8273
382B	Number Busters binary search, math	2000	x1403
380E	Sereja and Dividing data structures	2600	x300
380D	Sereja and Cinema combinatorics, math	2500	x462
380C	Sereja and Brackets data structures, schedules	2000	x14866
380B	Sereja and Tree graphs, implementation	2400	x532
380A	Sereja and Prefixes binary search, brute force	1600	x2681
379G	New Year Cactus dp	3100	x141
379F	New Year Tree data structures, divide and conquer, trees	2400	x2266
379E	New Year Tree Decorations geometry, schedules, sortings	2500	x339
379D	New Year Letter bitmasks, brute force, dp	2000	x1558
379C	New Year Ratings Change greedy, sortings	1400	x6545
377E	Cookie Clicker dp, geometry	2800	x459
377D	Developing Game data structures	2400	x1152
377C	Captains Mode bitmasks, dp, games	2200	x1138
377B	Preparing for the Contest binary search, data structures, greedy, sortings	1900	x2073