Problemset - Codeforces

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Codeforces Round 974 (Div. 3)
21:47:09
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Problems

#	Name
632A	Grandma Laura and Apples	1200	x4577
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	x3780
631B	Print Check constructive algorithms, implementation	1200	x7352
631A	Interview brute force, implementation	900	x9258
630R	Game games, math	1200	x8592
630Q	Pyramids geometry, math	1700	x1262
630P	Area of a Star geometry	2100	x1119
630O	Arrow geometry	2000	x766
630N	Forecast math	1300	x4646
630M	Turn geometry, math	1800	x1154
630L	Cracking the Code implementation, math	1400	x3552
630K	Indivisibility math, number theory	1500	x5232
630J	Divisibility math, number theory	1100	x10999
630I	Parking Lot combinatorics, math	1700	x6679
630H	Benches combinatorics, math	1400	x4935
630G	Challenge Pennants combinatorics, math	1600	x2726
630F	Selection of Personnel combinatorics, math	1300	x6785
630E	A rectangle math	1900	x2320
630D	Hexagons! math	1100	x10463
630C	Lucky Numbers combinatorics, math	1100	x21770
630B	Moore's Law math	1200	x7358
630A	Again Twenty Five! number theory	800	x66550
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
629B	Far Relative’s Problem brute force	1100	x8036
629A	Far Relative’s Birthday Cake brute force, combinatorics, constructive algorithms, implementation	800	x13347
628F	Bear and Fair Set flows, graphs	2500	x758
628E	Zbazi in Zeydabad data structures, implementation	2300	x883
628D	Magic Numbers dp	2200	x5922
628C	Bear and String Distance greedy, strings	1300	x5831
628B	New Skateboard dp	1300	x10736
628A	Tennis Tournament implementation, math	1000	x6304
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	x861
627C	Package Delivery data structures, divide and conquer, greedy	2200	x1169
627B	Factory Repairs data structures	1700	x2918
627A	XOR Equation dp, math	1700	x4205
626G	Raffles data structures, dp, greedy, math	3100	x529
626F	Group Projects dp	2400	x2846
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
626B	Cards constructive algorithms, dp, math	1300	x6593
626A	Robot Sequence brute force, implementation	1000	x6192
625E	Frog Fights data structures, greedy	2800	x331
625D	Finals in arithmetic constructive algorithms, implementation, math	2400	x629
625C	K-special Tables constructive algorithms, implementation	1300	x6808
625B	War of the Corporations constructive algorithms, greedy, strings	1200	x10370
625A	Guest From the Past implementation, math	1700	x5386
624B	Making a String greedy, sortings	1100	x7965
624A	Save Luke math	800	x10242
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
623A	Graph and String constructive algorithms, graphs	1800	x4465
622F	The Sum of the k-th Powers math	2600	x3807
622E	Ants in Leaves dfs and similar, greedy, sortings, trees	2200	x2061
622D	Optimal Number Permutation constructive algorithms	1900	x2975
622C	Not Equal on a Segment data structures, implementation	1700	x6532
622B	The Time implementation	900	x9531
622A	Infinite Sequence implementation, math	1000	x9250
621E	Wet Shark and Blocks dp, matrices	2000	x2803
621D	Rat Kwesh and Cheese brute force, constructive algorithms, math	2400	x981
621C	Wet Shark and Flowers combinatorics, math, number theory, probabilities	1700	x5445
621B	Wet Shark and Bishops combinatorics, implementation	1300	x10952
621A	Wet Shark and Odd and Even implementation	900	x20350
620F	Xors on Segments data structures, strings, trees	2800	x733
620E	New Year Tree bitmasks, data structures, trees	2100	x5554
620D	Professor GukiZ and Two Arrays binary search, two pointers	2200	x1698
620C	Pearls in a Row greedy	1500	x6690
620B	Grandfather Dovlet’s calculator implementation	1000	x9391
620A	Professor GukiZ's Robot implementation, math	800	x13072
618G	Combining Slimes dp, math, matrices, probabilities	3300	x235
618F	Double Knapsack constructive algorithms, two pointers	3000	x1381
618E	Robot Arm data structures, geometry	2500	x643
618D	Hamiltonian Spanning Tree dfs and similar, dp, graph matchings, greedy, trees	2200	x1712
618C	Constellation geometry, implementation	1600	x4228
618B	Guess the Permutation constructive algorithms	1100	x7962
618A	Slime Combining implementation	800	x8325
617E	XOR and Favorite Number data structures	2200	x8329
617D	Polyline constructive algorithms, implementation	1700	x4195
617C	Watering Flowers implementation	1600	x4857
617B	Chocolate combinatorics	1300	x17818
617A	Elephant math	800	x182816
616F	Expensive Strings data structures, sortings, string suffix structures, strings	2700	x584
616E	Sum of Remainders implementation, math, number theory	2200	x2872
616D	Longest k-Good Segment binary search, data structures, two pointers	1600	x9317
616C	The Labyrinth dfs and similar	1600	x5581
616B	Dinner with Emma games, greedy	1000	x11734
616A	Comparing Two Long Integers implementation, strings	900	x9801
615E	Hexagons binary search, implementation, math	2100	x974
615D	Multipliers math, number theory	2000	x3874
615C	Running Track dp, greedy, strings, trees	2000	x2302
615B	Longtail Hedgehog dp, graphs	1600	x5083
615A	Bulbs implementation	800	x17219