Problemset - Codeforces

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Codeforces Round 973 (Div. 2)
11:00:24
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Problems

#	Name
630H	Benches combinatorics, math	1400	x4935
630G	Challenge Pennants combinatorics, math	1600	x2725
630F	Selection of Personnel combinatorics, math	1300	x6784
630E	A rectangle math	1900	x2319
630D	Hexagons! math	1100	x10460
630C	Lucky Numbers combinatorics, math	1100	x21765
630B	Moore's Law math	1200	x7357
628A	Tennis Tournament implementation, math	1000	x6303
627A	XOR Equation dp, math	1700	x4205
626G	Raffles data structures, dp, greedy, math	3100	x529
626E	Simple Skewness binary search, math, ternary search	2400	x1321
626C	Block Towers brute force, greedy, math, number theory	1600	x4327
626B	Cards constructive algorithms, dp, math	1300	x6592
625D	Finals in arithmetic constructive algorithms, implementation, math	2400	x628
625A	Guest From the Past implementation, math	1700	x5385
624A	Save Luke math	800	x10241
623E	Transforming Sequence combinatorics, dp, fft, math	3300	x548
623D	Birthday greedy, math, probabilities	2700	x474
622F	The Sum of the k-th Powers math	2600	x3804
622A	Infinite Sequence implementation, math	1000	x9249
621D	Rat Kwesh and Cheese brute force, constructive algorithms, math	2400	x980
621C	Wet Shark and Flowers combinatorics, math, number theory, probabilities	1700	x5442
620A	Professor GukiZ's Robot implementation, math	800	x13071
618G	Combining Slimes dp, math, matrices, probabilities	3300	x235
617A	Elephant math	800	x182735
616E	Sum of Remainders implementation, math, number theory	2200	x2869
615E	Hexagons binary search, implementation, math	2100	x973
615D	Multipliers math, number theory	2000	x3872
614B	Gena's Code implementation, math	1400	x6890
613C	Necklace constructive algorithms, math	2500	x999
612E	Square Root of Permutation combinatorics, constructive algorithms, dfs and similar, graphs, math	2200	x1678
612C	Replace To Make Regular Bracket Sequence data structures, expression parsing, math	1400	x7963
612B	HDD is Outdated Technology implementation, math	1200	x6997
610A	Pasha and Stick combinatorics, math	1000	x23051
609C	Load Balancing implementation, math	1500	x6559
608A	Saitama Destroys Hotel implementation, math	1000	x9308
603E	Pastoral Oddities data structures, divide and conquer, dsu, math, trees	3000	x1231
603D	Ruminations on Ruminants geometry, math	2900	x340
603C	Lieges of Legendre games, math	2200	x1858
603B	Moodular Arithmetic combinatorics, dfs and similar, dsu, math, number theory	1800	x2568
603A	Alternative Thinking dp, greedy, math	1600	x7626
601C	Kleofáš and the n-thlon dp, math, probabilities	2300	x1309
601B	Lipshitz Sequence data structures, math	2100	x2313
599D	Spongebob and Squares brute force, math	1900	x2555
598A	Tricky Sum math	900	x26018
597A	Divisibility math	1600	x4487
596D	Wilbur and Trees dp, math, probabilities, sortings	2300	x682
595B	Pasha and Phone binary search, math	1600	x2909
593D	Happy Tree Party data structures, dfs and similar, graphs, math, trees	2400	x1238
593C	Beautiful Function constructive algorithms, math	2200	x280
592C	The Big Race math	1800	x3057
592B	The Monster and the Squirrel math	1100	x8611
591A	Wizards' Duel implementation, math	900	x14203
590B	Chip 'n Dale Rescue Rangers binary search, geometry, math	2100	x1903
588B	Duff in Love math	1300	x14057
585E	Present for Vitalik the Philatelist combinatorics, math, number theory	2900	x1066
584E	Anton and Ira constructive algorithms, greedy, math	2300	x1419
584D	Dima and Lisa brute force, math, number theory	1800	x9286
584A	Olesya and Rodion math	1000	x44875
582D	Number of Binominal Coefficients dp, math, number theory	3300	x634
581D	Three Logos bitmasks, brute force, constructive algorithms, geometry, implementation, math	1700	x3648
581C	Developing Skills implementation, math, sortings	1400	x7315
581B	Luxurious Houses implementation, math	1100	x13033
581A	Vasya the Hipster implementation, math	800	x70429
578A	A Problem about Polyline geometry, math	1700	x4759
576A	Vasya and Petya's Game math, number theory	1500	x13816
575H	Bots combinatorics, dp, math, number theory	1800	x1673
575A	Fibonotci data structures, math, matrices	2700	x796
573B	Bear and Blocks binary search, data structures, dp, math	1600	x5832
573A	Bear and Poker implementation, math, number theory	1300	x16509
571E	Geometric Progressions math	3200	x258
571A	Lengthening Sticks combinatorics, implementation, math	2100	x2318
570B	Simple Game constructive algorithms, games, greedy, implementation, math	1300	x16092
569B	Inventory greedy, math	1200	x7072
569A	Music implementation, math	1500	x4787
568D	Sign Posts brute force, geometry, math	2800	x307
568B	Symmetric and Transitive combinatorics, dp, math	1900	x2240
568A	Primes or Palindromes? brute force, implementation, math, number theory	1600	x5040
566F	Clique in the Divisibility Graph dp, math, number theory	1500	x3607
559C	Gerald and Giant Chess combinatorics, dp, math, number theory	2200	x6443
559A	Gerald's Hexagon brute force, geometry, math	1600	x10407
558C	Amr and Chemistry brute force, graphs, greedy, math, shortest paths	1900	x3977
557D	Vitaly and Cycle combinatorics, dfs and similar, graphs, math	2000	x2195
557C	Arthur and Table brute force, data structures, dp, greedy, math, sortings	1900	x4002
557B	Pasha and Tea constructive algorithms, implementation, math, sortings	1500	x7176
557A	Ilya and Diplomas greedy, implementation, math	1100	x8248
555D	Case of a Top Secret binary search, implementation, math	2500	x864
554A	Kyoya and Photobooks brute force, math, strings	900	x13179
553E	Kyoya and Train dp, fft, graphs, math, probabilities	3200	x553
553B	Kyoya and Permutation binary search, combinatorics, constructive algorithms, greedy, implementation, math	1900	x2110
553A	Kyoya and Colored Balls combinatorics, dp, math	1500	x8624
552D	Vanya and Triangles brute force, combinatorics, data structures, geometry, math, sortings	1900	x4468
552C	Vanya and Scales brute force, dp, greedy, math, meet-in-the-middle, number theory	1900	x5467
552B	Vanya and Books implementation, math	1200	x15367
552A	Vanya and Table implementation, math	1000	x9545
551D	GukiZ and Binary Operations combinatorics, implementation, math, matrices, number theory	2100	x1956
550E	Brackets in Implications constructive algorithms, greedy, implementation, math	2200	x1386
550C	Divisibility by Eight brute force, dp, math	1500	x28368
549H	Degenerate Matrix binary search, math	2100	x1983
549E	Sasha Circle geometry, math	2700	x149