Problemset - Codeforces

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Problems

#	Name
900C	Remove Extra One brute force, data structures, math	1700	x4410
900B	Position in Fraction math, number theory	1300	x7622
899D	Shovel Sale constructive algorithms, math	1800	x2679
899C	Dividing the numbers constructive algorithms, graphs, math	1300	x8262
899A	Splitting in Teams constructive algorithms, greedy, math	800	x10076
898F	Restoring the Expression brute force, hashing, math	2300	x1121
898A	Rounding implementation, math	800	x15591
896D	Nephren Runs a Cinema chinese remainder theorem, combinatorics, math, number theory	2900	x516
895D	String Mark combinatorics, math, strings	2100	x1086
895C	Square Subsets bitmasks, combinatorics, dp, math	2000	x5116
895B	XK Segments binary search, math, sortings, two pointers	1700	x3416
894C	Marco and GCD Sequence constructive algorithms, math	1900	x4279
894B	Ralph And His Magic Field combinatorics, constructive algorithms, math, number theory	1800	x4373
893E	Counting Arrays combinatorics, dp, math, number theory	2000	x3256
891E	Lust combinatorics, math, matrices	3000	x847
891A	Pride brute force, dp, greedy, math, number theory	1500	x9592
889E	Mod Mod Mod binary search, dp, math	3000	x514
888D	Almost Identity Permutations combinatorics, dp, math	1600	x7600
886E	Maximum Element combinatorics, dp, math	2400	x975
884C	Bertown Subway dfs and similar, greedy, math	1500	x4611
883M	Quadcopter Competition greedy, math	1100	x3489
883D	Packmen Strike Back binary search, dp, math	2500	x349
876B	Divisiblity of Differences implementation, math, number theory	1300	x8679
876A	Trip For Meal math	900	x9236
875A	Classroom Watch brute force, math	1200	x9489
870C	Maximum splitting dp, greedy, math, number theory	1300	x8952
869C	The Intriguing Obsession combinatorics, dp, math	1800	x4351
869B	The Eternal Immortality math	1100	x12886
868G	El Toll Caves math	3300	x119
865G	Flowers and Chocolate combinatorics, math, matrices	3300	x130
865F	Egg Roulette bitmasks, brute force, divide and conquer, math, meet-in-the-middle	3300	x67
864D	Make a Permutation! greedy, implementation, math	1500	x5955
864C	Bus greedy, implementation, math	1500	x5825
859G	Circle of Numbers math	3000	x145
859B	Lazy Security Guard brute force, geometry, math	1000	x6736
858A	k-rounding brute force, math, number theory	1100	x7844
856C	Eleventh Birthday combinatorics, dp, math	2400	x523
854B	Maxim Buys an Apartment constructive algorithms, math	1200	x8118
854A	Fraction brute force, constructive algorithms, math	800	x13377
852F	Product transformation combinatorics, math, number theory	2200	x542
852A	Digits brute force, implementation, math	2500	x364
851B	Arpa and an exam about geometry geometry, math	1400	x5429
851A	Arpa and a research in Mexican wave implementation, math	800	x9496
850F	Rainbow Balls math	2800	x589
850E	Random Elections bitmasks, brute force, divide and conquer, fft, math	2800	x379
850D	Tournament Construction constructive algorithms, dp, graphs, greedy, math	2800	x369
850A	Five Dimensional Points brute force, geometry, math	1700	x2994
848E	Days of Floral Colours combinatorics, divide and conquer, dp, fft, math	3400	x200
847M	Weather Tomorrow implementation, math	1000	x6178
847I	Noise Level dfs and similar, implementation, math	1900	x1502
846F	Random Query data structures, math, probabilities, two pointers	1800	x2200
845G	Shortest Path Problem? dfs and similar, graphs, math	2300	x1491
844B	Rectangles combinatorics, math	1300	x6984
843C	Upgrading Tree constructive algorithms, dfs and similar, graphs, math, trees	2600	x346
843A	Sorting by Subsequences dfs and similar, dsu, implementation, math, sortings	1400	x5524
842C	Ilya And The Tree dfs and similar, graphs, math, number theory, trees	2000	x3411
841B	Godsend games, math	1100	x11955
840A	Leha and Function combinatorics, greedy, math, number theory, sortings	1300	x6953
839E	Mother of Dragons brute force, graphs, math, meet-in-the-middle	2700	x884
839D	Winter is here combinatorics, dp, math, number theory	2200	x2682
838D	Airplane Arrangements math, number theory	2700	x813
837F	Prefix Sums binary search, brute force, combinatorics, math, matrices	2400	x736
837E	Vasya's Function binary search, implementation, math	2100	x1507
837D	Round Subset dp, math	2100	x4791
835A	Key races math	800	x19849
833C	Ever-Hungry Krakozyabra brute force, combinatorics, greedy, math	2700	x460
833A	The Meaningless Game math, number theory	1700	x6019
832C	Strange Radiation binary search, implementation, math	2500	x427
832A	Sasha and Sticks games, math	800	x20339
830E	Perpetual Motion Machine constructive algorithms, dp, graphs, implementation, math, trees	3100	x272
830C	Bamboo Partition brute force, data structures, implementation, math, number theory, sortings, two pointers	2300	x1183
827E	Rusty String fft, math, strings	2700	x788
822D	My pretty girl Noora brute force, dp, greedy, math, number theory	1800	x2955
822A	I'm bored with life implementation, math, number theory	800	x31640
821B	Okabe and Banana Trees brute force, math	1300	x5628
820B	Mister B and Angle in Polygon constructive algorithms, geometry, math	1300	x5080
819B	Mister B and PR Shifts data structures, implementation, math	1900	x1620
818F	Level Generation binary search, math, ternary search	2100	x1286
818A	Diplomas and Certificates implementation, math	800	x6778
817C	Really Big Numbers binary search, brute force, dp, math	1600	x7029
817B	Makes And The Product combinatorics, implementation, math, sortings	1500	x5547
817A	Treasure Hunt implementation, math, number theory	1200	x6058
815B	Karen and Test brute force, combinatorics, constructive algorithms, math	2200	x1361
813B	The Golden Age brute force, math	1800	x3775
810A	Straight <<A>> implementation, math	900	x8706
809E	Surprise me! divide and conquer, math, number theory, trees	3100	x719
809A	Do you want a date? implementation, math, sortings	1500	x4653
808B	Average Sleep Time data structures, implementation, math	1300	x6607
805A	Fake NP greedy, math	1000	x17568
804B	Minimum number of steps combinatorics, greedy, implementation, math	1400	x9516
804A	Find Amir constructive algorithms, greedy, math	1000	x15179
803C	Maximal GCD constructive algorithms, greedy, math	1900	x4908
802L	Send the Fool Further! (hard) dfs and similar, dp, math, trees	2400	x279
802F	Marmots (hard) math, probabilities	2800	x120
802E	Marmots (medium) math	2200	x237
802D	Marmots (easy) math	2100	x438
797A	k-Factorization implementation, math, number theory	1100	x13930
794G	Replace All combinatorics, dp, math	3400	x323
794E	Choosing Carrot games, math	2800	x659
794B	Cutting Carrot geometry, math	1200	x6326