Problemset - Codeforces

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Codeforces Round 961 (Div. 2)
03:07:29
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Problems

#	Name
628B	New Skateboard dp	1300	x10492
628A	Tennis Tournament implementation, math	1000	x6251
627F	Island Puzzle dfs and similar, dsu, graphs, trees	3400	x236
627E	Orchestra two pointers	3000	x547
627D	Preorder Test binary search, dfs and similar, dp, graphs, greedy, trees	2600	x810
627C	Package Delivery data structures, divide and conquer, greedy	2200	x1158
627B	Factory Repairs data structures	1700	x2739
627A	XOR Equation dp, math	1700	x4049
626G	Raffles data structures, dp, greedy, math	3100	x522
626F	Group Projects dp	2400	x2744
626E	Simple Skewness binary search, math, ternary search	2400	x1308
626D	Jerry's Protest brute force, combinatorics, dp, probabilities	1800	x2694
626C	Block Towers brute force, greedy, math, number theory	1600	x4316
626B	Cards constructive algorithms, dp, math	1300	x6563
626A	Robot Sequence brute force, implementation	1000	x6170
625E	Frog Fights data structures, greedy	2800	x326
625D	Finals in arithmetic constructive algorithms, implementation, math	2400	x626
625C	K-special Tables constructive algorithms, implementation	1300	x6782
625B	War of the Corporations constructive algorithms, greedy, strings	1200	x10263
625A	Guest From the Past implementation, math	1700	x5371
624B	Making a String greedy, sortings	1100	x7937
624A	Save Luke math	800	x10210
623E	Transforming Sequence combinatorics, dp, fft, math	3300	x543
623D	Birthday greedy, math, probabilities	2700	x471
623C	Electric Charges binary search, dp	2900	x451
623B	Array GCD dp, greedy, number theory	2300	x2118
623A	Graph and String constructive algorithms, graphs	1800	x4419
622F	The Sum of the k-th Powers math	2600	x3626
622E	Ants in Leaves dfs and similar, greedy, sortings, trees	2200	x2021
622D	Optimal Number Permutation constructive algorithms	1900	x2906
622C	Not Equal on a Segment data structures, implementation	1700	x6344
622B	The Time implementation	900	x9220
622A	Infinite Sequence implementation, math	1000	x9186
621E	Wet Shark and Blocks dp, matrices	2000	x2759
621D	Rat Kwesh and Cheese brute force, constructive algorithms, math	2400	x968
621C	Wet Shark and Flowers combinatorics, math, number theory, probabilities	1700	x5385
621B	Wet Shark and Bishops combinatorics, implementation	1300	x10885
621A	Wet Shark and Odd and Even implementation	900	x20006
620F	Xors on Segments data structures, strings, trees	2800	x718
620E	New Year Tree bitmasks, data structures, trees	2100	x5379
620D	Professor GukiZ and Two Arrays binary search, two pointers	2200	x1669
620C	Pearls in a Row greedy	1500	x6584
620B	Grandfather Dovlet’s calculator implementation	1000	x9304
620A	Professor GukiZ's Robot implementation, math	800	x12953
618G	Combining Slimes dp, math, matrices, probabilities	3300	x232
618F	Double Knapsack constructive algorithms, two pointers	3000	x1344
618E	Robot Arm data structures, geometry	2500	x589
618D	Hamiltonian Spanning Tree dfs and similar, dp, graph matchings, greedy, trees	2200	x1701
618C	Constellation geometry, implementation	1600	x4205
618B	Guess the Permutation constructive algorithms	1100	x7904
618A	Slime Combining implementation	800	x8307
617E	XOR and Favorite Number data structures	2200	x8105
617D	Polyline constructive algorithms, implementation	1700	x4178
617C	Watering Flowers implementation	1600	x4825
617B	Chocolate combinatorics	1300	x17609
617A	Elephant math	800	x176390
616F	Expensive Strings string suffix structures, strings	2700	x574
616E	Sum of Remainders implementation, math, number theory	2200	x2793
616D	Longest k-Good Segment binary search, data structures, two pointers	1600	x9050
616C	The Labyrinth dfs and similar	1600	x5472
616B	Dinner with Emma games, greedy	1000	x11579
616A	Comparing Two Long Integers implementation, strings	900	x9678
615E	Hexagons binary search, implementation, math	2100	x968
615D	Multipliers math, number theory	2000	x3843
615C	Running Track dp, greedy, strings, trees	2000	x2268
615B	Longtail Hedgehog dp, graphs	1600	x5002
615A	Bulbs implementation	800	x17050
614B	Gena's Code implementation, math	1400	x6834
614A	Link/Cut Tree brute force, implementation	1500	x7425
613E	Puzzle Lover dp, hashing, strings	3200	x457
613D	Kingdom and its Cities dfs and similar, divide and conquer, dp, graphs, sortings, trees	2800	x2806
613C	Necklace constructive algorithms, math	2500	x992
613B	Skills binary search, brute force, dp, greedy, sortings, two pointers	1900	x2181
613A	Peter and Snow Blower binary search, geometry, ternary search	1900	x3199
612F	Simba on the Circle dp	2600	x377
612E	Square Root of Permutation combinatorics, constructive algorithms, dfs and similar, graphs, math	2200	x1630
612D	The Union of k-Segments greedy, sortings	1800	x3754
612C	Replace To Make Regular Bracket Sequence data structures, expression parsing, math	1400	x7848
612B	HDD is Outdated Technology implementation, math	1200	x6892
612A	The Text Splitting brute force, implementation, strings	1300	x7099
611H	New Year and Forgotten Tree constructive algorithms, flows, graphs	3200	x581
611G	New Year and Cake geometry, two pointers	2900	x431
611F	New Year and Cleaning binary search, implementation	2500	x462
611E	New Year and Three Musketeers data structures, greedy, sortings	2400	x861
611D	New Year and Ancient Prophecy dp, hashing, strings	2000	x2566
611C	New Year and Domino dp, implementation	1500	x8402
611B	New Year and Old Property bitmasks, brute force, implementation	1300	x9943
611A	New Year and Days implementation	900	x11601
610E	Alphabet Permutations data structures, strings	2500	x860
610D	Vika and Segments constructive algorithms, data structures, geometry, two pointers	2300	x1465
610C	Harmony Analysis constructive algorithms	1800	x2811
610B	Vika and Squares constructive algorithms, implementation	1300	x7136
610A	Pasha and Stick combinatorics, math	1000	x22607
609F	Frogs and mosquitoes data structures, greedy	2500	x1217
609E	Minimum spanning tree for each edge data structures, dfs and similar, dsu, graphs, trees	2100	x7417
609D	Gadgets for dollars and pounds binary search, greedy, two pointers	2000	x2648
609C	Load Balancing implementation, math	1500	x6415
609B	The Best Gift constructive algorithms, implementation	1100	x8912
609A	USB Flash Drives greedy, implementation, sortings	800	x17003
608B	Hamming Distance Sum combinatorics, strings	1500	x6712