Problemset - Codeforces

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Problems

#	Name
708B	Recover the String constructive algorithms, greedy, implementation, math	1900	x3265
707C	Pythagorean Triples math, number theory	1500	x12698
705B	Spider Man games, math	1100	x9178
704C	Black Widow dp, graphs, implementation, math	2900	x464
703B	Mishka and trip implementation, math	1400	x5688
702D	Road to Post Office math	1900	x3376
702B	Powers of Two brute force, data structures, implementation, math	1500	x11991
701B	Cells Not Under Attack data structures, math	1200	x11793
700A	As Fast As Possible binary search, math	1900	x3200
698D	Limak and Shooting Points brute force, geometry, math	2600	x542
698C	LRU bitmasks, dp, math, probabilities	2400	x1333
697B	Barnicle brute force, implementation, math, strings	1400	x5759
697A	Pineapple Incident implementation, math	900	x12827
696C	PLEASE combinatorics, dp, implementation, math, matrices	2000	x2086
696B	Puzzles dfs and similar, math, probabilities, trees	1700	x3526
691D	Swaps in Permutation dfs and similar, dsu, math	1700	x5559
689C	Mike and Chocolate Thieves binary search, combinatorics, math	1700	x5393
688B	Lovely Palindromes constructive algorithms, math	1000	x32429
687B	Remainders Game chinese remainder theorem, math, number theory	1800	x5951
685C	Optimal Point binary search, math	2900	x585
685A	Robbers' watch brute force, combinatorics, dp, math	1700	x4249
683D	Chocolate Bar *special problem, math	1400	x323
682A	Alyona and Numbers constructive algorithms, math, number theory	1100	x21852
679D	Bear and Chase brute force, dfs and similar, graphs, implementation, math, probabilities	2900	x318
679A	Bear and Prime 100 constructive algorithms, interactive, math	1400	x13149
678E	Another Sith Tournament bitmasks, dp, math, probabilities	2200	x2234
678D	Iterated Linear Function math, number theory	1700	x4569
678C	Joty and Chocolate implementation, math, number theory	1600	x9552
678A	Johny Likes Numbers implementation, math	800	x13371
677B	Vanya and Food Processor implementation, math	1400	x7667
676E	The Last Fight Between Human and AI math	2400	x897
676B	Pyramid of Glasses implementation, math, math	1500	x5528
675B	Restoring Painting brute force, constructive algorithms, math	1400	x7425
675A	Infinite Sequence math	1100	x14996
670A	Holidays brute force, constructive algorithms, greedy, math	900	x17082
669A	Little Artem and Presents math	800	x10859
667A	Pouring Rain geometry, math	1100	x8055
665F	Four Divisors data structures, dp, math, number theory, sortings, two pointers	2400	x623
664A	Complicated GCD math, number theory	800	x18400
663A	Rebus constructive algorithms, expression parsing, greedy, math	1800	x3303
662D	International Olympiad constructive algorithms, greedy, implementation, math	2000	x1635
662C	Binary Table bitmasks, brute force, divide and conquer, dp, fft, math	2600	x2037
662A	Gambling Nim bitmasks, math, matrices, probabilities	2400	x486
660E	Different Subsets For All Tuples combinatorics, math	2300	x1529
660A	Co-prime Array greedy, implementation, math, number theory	1200	x9045
659D	Bicycle Race geometry, implementation, math	1500	x6341
659A	Round House implementation, math	1000	x15880
653G	Move by Prime combinatorics, math, number theory	3100	x558
652F	Ants on a Circle constructive algorithms, math	2800	x557
652A	Gabriel and Caterpillar implementation, math	1400	x4789
651A	Joysticks dp, greedy, implementation, math	1100	x23053
650A	Watchmen data structures, geometry, math	1400	x15585
645F	Cowslip Collections combinatorics, math, number theory	2500	x797
645B	Mischievous Mess Makers greedy, math	1200	x3412
643F	Bears and Juice dp, math, meet-in-the-middle	2900	x717
643E	Bear and Destroying Subtrees dp, math, probabilities, trees	2700	x640
641D	Little Artem and Random Variable dp, implementation, math, probabilities	2400	x1282
639E	Bear and Paradox binary search, greedy, math, sortings	2800	x583
639C	Bear and Polynomials hashing, implementation, math	2200	x1205
638A	Home Numbers *special problem, constructive algorithms, math	1100	x4050
633G	Yash And Trees bitmasks, data structures, dfs and similar, math, number theory	2800	x782
633D	Fibonacci-ish brute force, dp, hashing, implementation, math	2000	x2816
633B	A Trivial Problem brute force, constructive algorithms, math, number theory	1300	x6711
633A	Ebony and Ivory brute force, math, number theory	1100	x12865
632E	Thief in a Shop divide and conquer, dp, fft, math	2400	x2836
632D	Longest Subsequence brute force, math, number theory	2100	x3806
630R	Game games, math	1200	x8724
630Q	Pyramids geometry, math	1700	x1284
630N	Forecast math	1300	x4739
630M	Turn geometry, math	1800	x1184
630L	Cracking the Code implementation, math	1400	x3607
630K	Indivisibility math, number theory	1500	x5380
630J	Divisibility math, number theory	1100	x11193
630I	Parking Lot combinatorics, math	1700	x6863
630H	Benches combinatorics, math	1400	x5042
630G	Challenge Pennants combinatorics, math	1600	x2803
630F	Selection of Personnel combinatorics, math	1300	x6954
630E	A rectangle math	1900	x2339
630D	Hexagons! math	1100	x11100
630C	Lucky Numbers combinatorics, math	1100	x22326
630B	Moore's Law math	1200	x7461
628A	Tennis Tournament implementation, math	1000	x6415
627A	XOR Equation dp, math	1700	x4248
626G	Raffles data structures, dp, greedy, math	3100	x536
626E	Simple Skewness binary search, math, ternary search	2400	x1392
626C	Block Towers brute force, greedy, math, number theory	1600	x4356
626B	Cards constructive algorithms, dp, math	1300	x6633
625D	Finals in arithmetic constructive algorithms, implementation, math	2400	x635
625A	Guest From the Past implementation, math	1700	x5424
624A	Save Luke math	800	x10375
623E	Transforming Sequence combinatorics, dp, fft, math	3300	x550
623D	Birthday greedy, math, probabilities	2700	x499
622F	The Sum of the k-th Powers math	2600	x3903
622A	Infinite Sequence implementation, math	1000	x9418
621D	Rat Kwesh and Cheese brute force, constructive algorithms, math	2400	x998
621C	Wet Shark and Flowers combinatorics, math, number theory, probabilities	1700	x5584
620A	Professor GukiZ's Robot implementation, math	800	x13286
618G	Combining Slimes dp, math, matrices, probabilities	3300	x241
617A	Elephant math	800	x190017
616E	Sum of Remainders implementation, math, number theory	2200	x2983