Problemset - Codeforces

Problems

#	Name
659E	New Reform data structures, dfs and similar, dsu, graphs, greedy	1600	x7492
656G	You're a Professional *special problem	1900	x487
656F	Ace It! *special problem	1900	x910
656E	Out of Controls *special problem	2000	x728
656D	Rosetta Problem *special problem	2100	x961
656C	Without Text *special problem	2000	x694
656B	Scrambled *special problem, implementation	1700	x1655
656A	Da Vinci Powers *special problem	1900	x3624
653G	Move by Prime combinatorics, math, number theory	3100	x558
653F	Paper task data structures, string suffix structures, strings	2600	x995
653E	Bear and Forgotten Tree 2 dfs and similar, dsu, graphs, trees	2400	x1543
653D	Delivery Bears binary search, flows, graphs	2200	x2505
653C	Bear and Up-Down brute force, implementation	1900	x1652
652F	Ants on a Circle constructive algorithms, math	2800	x557
652E	Pursuit For Artifacts dfs and similar, dsu, graphs, trees	2300	x2226
652D	Nested Segments data structures, sortings	1800	x4038
652C	Foe Pairs combinatorics, sortings, two pointers	1800	x3256
650E	Clockwork Bomb data structures, dfs and similar, dsu, greedy, trees	3200	x603
650D	Zip-line binary search, data structures, dp, hashing	2600	x1359
650C	Table Compression dfs and similar, dp, dsu, graphs, greedy	2200	x2029
650B	Image Preview binary search, brute force, dp, two pointers	1900	x3358
649E	Автобус binary search, data structures, greedy, sortings	2100	x108
649D	Дефрагментация памяти constructive algorithms, greedy, implementation	1600	x361
648E	Собери число graphs, shortest paths	2300	x127
648D	Собачки и миски data structures, greedy, sortings	1900	x236
645G	Armistice Area Apportionment binary search, geometry	3200	x112
645F	Cowslip Collections combinatorics, math, number theory	2500	x797
645E	Intellectual Inquiry dp, greedy, strings	2200	x1271
645D	Robot Rapping Results Report binary search, dp, graphs	1800	x2936
645C	Enduring Exodus binary search, two pointers	1600	x3331
644C	Hostname Aliases *special problem, binary search, data structures, implementation, sortings, strings	2100	x922
644B	Processing Queries *special problem, constructive algorithms, data structures, two pointers	1700	x2705
643G	Choosing Ads data structures	3200	x1018
643F	Bears and Juice dp, math, meet-in-the-middle	2900	x717
643E	Bear and Destroying Subtrees dp, math, probabilities, trees	2700	x640
643D	Bearish Fanpages	2900	x316
643C	Levels and Regions dp	2400	x1401
643B	Bear and Two Paths constructive algorithms, graphs	1600	x3179
641G	Little Artem and Graph	2300	x91
641F	Little Artem and 2-SAT	3000	x195
641E	Little Artem and Time Machine data structures	2000	x3321
641D	Little Artem and Random Variable dp, implementation, math, probabilities	2400	x1282
641C	Little Artem and Dance brute force, constructive algorithms, implementation	1800	x3081
639F	Bear and Chemistry data structures, dfs and similar, graphs, trees	3300	x424
639E	Bear and Paradox binary search, greedy, math, sortings	2800	x583
639D	Bear and Contribution data structures, greedy, sortings, two pointers	2400	x969
639C	Bear and Polynomials hashing, implementation, math	2200	x1205
639B	Bear and Forgotten Tree 3 constructive algorithms, graphs, trees	1600	x6533
638D	Three-dimensional Turtle Super Computer brute force, dfs and similar, graphs	1800	x722
638C	Road Improvement *special problem, dfs and similar, graphs, greedy, trees	1800	x1667
637D	Running with Obstacles *special problem, data structures, dp, greedy	1600	x2025
633H	Fibonacci-ish II data structures, implementation	3100	x601
633G	Yash And Trees bitmasks, data structures, dfs and similar, math, number theory	2800	x782
633F	The Chocolate Spree dfs and similar, dp, graphs, trees	2600	x1002
633E	Startup Funding binary search, constructive algorithms, data structures, probabilities, two pointers	2400	x587
633D	Fibonacci-ish brute force, dp, hashing, implementation, math	2000	x2816
633C	Spy Syndrome 2 data structures, dp, hashing, implementation, sortings, string suffix structures, strings	1900	x2792
632F	Magic Matrix brute force, divide and conquer, graphs, matrices, trees	2400	x1104
632E	Thief in a Shop divide and conquer, dp, fft, math	2400	x2836
632D	Longest Subsequence brute force, math, number theory	2100	x3807
632C	The Smallest String Concatenation sortings, strings	1700	x7981
631E	Product Sum data structures, dp, geometry	2600	x2421
631D	Messenger data structures, hashing, implementation, string suffix structures, strings	2100	x2089
631C	Report data structures, sortings	1700	x3800
630Q	Pyramids geometry, math	1700	x1284
630P	Area of a Star geometry	2100	x1133
630O	Arrow geometry	2000	x775
630M	Turn geometry, math	1800	x1184
630I	Parking Lot combinatorics, math	1700	x6863
630G	Challenge Pennants combinatorics, math	1600	x2803
630E	A rectangle math	1900	x2339
629E	Famil Door and Roads combinatorics, data structures, dfs and similar, dp, probabilities, trees	2300	x1024
629D	Babaei and Birthday Cake data structures, dp	2000	x4057
629C	Famil Door and Brackets dp, strings	2000	x2803
628F	Bear and Fair Set flows, graphs	2500	x778
628E	Zbazi in Zeydabad data structures, implementation	2300	x897
628D	Magic Numbers dp	2200	x6152
627F	Island Puzzle dfs and similar, dsu, graphs, trees	3400	x239
627E	Orchestra two pointers	3000	x594
627D	Preorder Test binary search, dfs and similar, dp, graphs, greedy, trees	2600	x874
627C	Package Delivery data structures, divide and conquer, greedy	2200	x1176
627B	Factory Repairs data structures	1700	x2935
627A	XOR Equation dp, math	1700	x4248
626G	Raffles data structures, dp, greedy, math	3100	x537
626F	Group Projects dp	2400	x2966
626E	Simple Skewness binary search, math, ternary search	2400	x1393
626D	Jerry's Protest brute force, combinatorics, dp, probabilities	1800	x2767
626C	Block Towers brute force, greedy, math, number theory	1600	x4357
625E	Frog Fights data structures, greedy	2800	x348
625D	Finals in arithmetic constructive algorithms, implementation, math	2400	x635
625A	Guest From the Past implementation, math	1700	x5424
623E	Transforming Sequence combinatorics, dp, fft, math	3300	x550
623D	Birthday greedy, math, probabilities	2700	x499
623C	Electric Charges binary search, dp	2900	x481
623B	Array GCD dp, greedy, number theory	2300	x2163
623A	Graph and String constructive algorithms, graphs	1800	x4507
622F	The Sum of the k-th Powers math	2600	x3905
622E	Ants in Leaves dfs and similar, greedy, sortings, trees	2200	x2104
622D	Optimal Number Permutation constructive algorithms	1900	x3012
622C	Not Equal on a Segment data structures, implementation	1700	x6734