Problemset - Codeforces

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Codeforces Round 974 (Div. 3)
07:04:02
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Problems

#	Name
660E	Different Subsets For All Tuples combinatorics, math	2300	x1498
660D	Number of Parallelograms geometry	1900	x3968
660C	Hard Process binary search, dp, two pointers	1600	x9318
659G	Fence Divercity combinatorics, dp, number theory	2300	x1183
659F	Polycarp and Hay dfs and similar, dsu, graphs, greedy, sortings	2000	x1781
659E	New Reform data structures, dfs and similar, dsu, graphs, greedy	1600	x7444
656G	You're a Professional *special problem	1900	x483
656F	Ace It! *special problem	1900	x902
656E	Out of Controls *special problem	2000	x723
656D	Rosetta Problem *special problem	2100	x955
656C	Without Text *special problem	2000	x689
656B	Scrambled *special problem, implementation	1700	x1651
656A	Da Vinci Powers *special problem	1900	x3608
653G	Move by Prime combinatorics, math, number theory	3100	x530
653F	Paper task data structures, string suffix structures, strings	2600	x993
653E	Bear and Forgotten Tree 2 dfs and similar, dsu, graphs, trees	2400	x1483
653D	Delivery Bears binary search, flows, graphs	2200	x2395
653C	Bear and Up-Down brute force, implementation	1900	x1640
652F	Ants on a Circle constructive algorithms, math	2800	x547
652E	Pursuit For Artifacts dfs and similar, dsu, graphs, trees	2300	x2114
652D	Nested Segments data structures, sortings	1800	x3948
652C	Foe Pairs combinatorics, sortings, two pointers	1800	x3201
650E	Clockwork Bomb data structures, dfs and similar, dsu, greedy, trees	3200	x598
650D	Zip-line binary search, data structures, dp, hashing	2600	x1324
650C	Table Compression dfs and similar, dp, dsu, graphs, greedy	2200	x1969
650B	Image Preview binary search, brute force, dp, two pointers	1900	x3340
649E	Автобус binary search, data structures, greedy, sortings	2100	x108
649D	Дефрагментация памяти constructive algorithms, greedy, implementation	1600	x352
648E	Собери число graphs, shortest paths	2300	x127
648D	Собачки и миски data structures, greedy, sortings	1900	x232
645G	Armistice Area Apportionment binary search, geometry	3200	x112
645F	Cowslip Collections combinatorics, math, number theory	2500	x780
645E	Intellectual Inquiry dp, greedy, strings	2200	x1240
645D	Robot Rapping Results Report binary search, dp, graphs	1800	x2872
645C	Enduring Exodus binary search, two pointers	1600	x3243
644C	Hostname Aliases *special problem, binary search, data structures, implementation, sortings, strings	2100	x916
644B	Processing Queries *special problem, constructive algorithms, data structures, two pointers	1700	x2691
643G	Choosing Ads data structures	3200	x982
643F	Bears and Juice dp, math, meet-in-the-middle	2900	x699
643E	Bear and Destroying Subtrees dp, math, probabilities, trees	2700	x636
643D	Bearish Fanpages	2900	x314
643C	Levels and Regions dp	2400	x1375
643B	Bear and Two Paths constructive algorithms, graphs	1600	x3164
641G	Little Artem and Graph	2300	x91
641F	Little Artem and 2-SAT	3000	x192
641E	Little Artem and Time Machine data structures	2000	x3214
641D	Little Artem and Random Variable dp, implementation, math, probabilities	2400	x1238
641C	Little Artem and Dance brute force, constructive algorithms, implementation	1800	x3072
639F	Bear and Chemistry data structures, dfs and similar, graphs, trees	3300	x418
639E	Bear and Paradox binary search, greedy, math, sortings	2800	x578
639D	Bear and Contribution data structures, greedy, sortings, two pointers	2400	x966
639C	Bear and Polynomials hashing, implementation, math	2200	x1200
639B	Bear and Forgotten Tree 3 constructive algorithms, graphs, trees	1600	x6496
638D	Three-dimensional Turtle Super Computer brute force, dfs and similar, graphs	1800	x709
638C	Road Improvement *special problem, dfs and similar, graphs, greedy, trees	1800	x1614
637D	Running with Obstacles *special problem, data structures, dp, greedy	1600	x1997
633H	Fibonacci-ish II data structures, implementation	3100	x591
633G	Yash And Trees bitmasks, data structures, dfs and similar, math, number theory	2800	x770
633F	The Chocolate Spree dfs and similar, dp, graphs, trees	2600	x964
633E	Startup Funding binary search, constructive algorithms, data structures, probabilities, two pointers	2400	x583
633D	Fibonacci-ish brute force, dp, hashing, implementation, math	2000	x2784
633C	Spy Syndrome 2 data structures, dp, hashing, implementation, sortings, string suffix structures, strings	1900	x2751
632F	Magic Matrix brute force, divide and conquer, graphs, matrices, trees	2400	x1074
632E	Thief in a Shop divide and conquer, dp, fft, math	2400	x2742
632D	Longest Subsequence brute force, math, number theory	2100	x3749
632C	The Smallest String Concatenation sortings, strings	1700	x7700
631E	Product Sum data structures, dp, geometry	2600	x2325
631D	Messenger data structures, hashing, implementation, string suffix structures, strings	2100	x2070
631C	Report data structures, sortings	1700	x3781
630Q	Pyramids geometry, math	1700	x1262
630P	Area of a Star geometry	2100	x1119
630O	Arrow geometry	2000	x766
630M	Turn geometry, math	1800	x1154
630I	Parking Lot combinatorics, math	1700	x6679
630G	Challenge Pennants combinatorics, math	1600	x2726
630E	A rectangle math	1900	x2320
629E	Famil Door and Roads combinatorics, data structures, dfs and similar, dp, probabilities, trees	2300	x997
629D	Babaei and Birthday Cake data structures, dp	2000	x3986
629C	Famil Door and Brackets dp, strings	2000	x2789
628F	Bear and Fair Set flows, graphs	2500	x758
628E	Zbazi in Zeydabad data structures, implementation	2300	x883
628D	Magic Numbers dp	2200	x5922
627F	Island Puzzle dfs and similar, dsu, graphs, trees	3400	x237
627E	Orchestra two pointers	3000	x569
627D	Preorder Test binary search, dfs and similar, dp, graphs, greedy, trees	2600	x862
627C	Package Delivery data structures, divide and conquer, greedy	2200	x1169
627B	Factory Repairs data structures	1700	x2922
627A	XOR Equation dp, math	1700	x4205
626G	Raffles data structures, dp, greedy, math	3100	x529
626F	Group Projects dp	2400	x2847
626E	Simple Skewness binary search, math, ternary search	2400	x1321
626D	Jerry's Protest brute force, combinatorics, dp, probabilities	1800	x2748
626C	Block Towers brute force, greedy, math, number theory	1600	x4328
625E	Frog Fights data structures, greedy	2800	x331
625D	Finals in arithmetic constructive algorithms, implementation, math	2400	x629
625A	Guest From the Past implementation, math	1700	x5386
623E	Transforming Sequence combinatorics, dp, fft, math	3300	x548
623D	Birthday greedy, math, probabilities	2700	x474
623C	Electric Charges binary search, dp	2900	x479
623B	Array GCD dp, greedy, number theory	2300	x2144