Problemset - Codeforces

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Before contest
Codeforces Round 975 (Div. 1)
3 days

Before contest
Codeforces Round 975 (Div. 2)
3 days

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Difficulty: —

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Problems

#	Name
1041C	Coffee Break binary search, data structures, greedy, two pointers	1600	x9436
1036D	Vasya and Arrays greedy, two pointers	1600	x9230
1036B	Diagonal Walking v.2 math	1600	x5691
1033C	Permutation Game brute force, dp, games	1600	x5568
1031C	Cram Time greedy	1600	x5315
1029C	Maximal Intersection greedy, math, sortings	1600	x7531
1028C	Rectangles geometry, implementation, sortings	1600	x4571
1027C	Minimum Value Rectangle greedy	1600	x6838
1025C	Plasticine zebra constructive algorithms, implementation	1600	x6115
1025B	Weakened Common Divisor brute force, greedy, number theory	1600	x7872
1017C	The Phone Number constructive algorithms, greedy	1600	x6000
1015D	Walking Between Houses constructive algorithms, greedy	1600	x8176
1006E	Military Problem dfs and similar, graphs, trees	1600	x9815
1003D	Coins and Queries greedy	1600	x7734
1002D3	Oracle for majority function	1600	x333
1002B3	Distinguish four 2-qubit states	1600	x411
1002B2	Distinguish GHZ state and W state	1600	x446
1001E	Distinguish Bell states *special problem	1600	x558
993A	Two Squares geometry, implementation	1600	x4139
992C	Nastya and a Wardrobe math	1600	x4553
992B	Nastya Studies Informatics math, number theory	1600	x6251
986A	Fair graphs, greedy, number theory, shortest paths	1600	x6865
980B	Marlin constructive algorithms	1600	x4682
979C	Kuro and Walking Route dfs and similar, trees	1600	x6247
962D	Merge Equals data structures, implementation	1600	x6837
958E1	Guard Duty (easy) brute force, geometry, greedy, math	1600	x1507
954D	Fight Against Traffic dfs and similar, graphs, shortest paths	1600	x6588
952C	Ravioli Sort implementation	1600	x2904
949A	Zebras greedy	1600	x5352
940D	Alena And The Heater binary search, implementation	1600	x3618
939D	Love Rescue dfs and similar, dsu, graphs, greedy, strings	1600	x7298
939C	Convenient For Everybody binary search, two pointers	1600	x4625
935C	Fifa and Fafa geometry	1600	x4730
932C	Permutation Cycle brute force, constructive algorithms	1600	x4015
930B	Game with String implementation, probabilities, strings	1600	x2650
926D	Choose Place	1600	x913
925A	Stairs and Elevators binary search	1600	x3457
924B	Three-level Laser binary search, greedy, two pointers	1600	x5266
923B	Producing Snow binary search, data structures	1600	x7298
922C	Cave Painting brute force, number theory	1600	x7020
916C	Jamie and Interesting Graph constructive algorithms, graphs, shortest paths	1600	x5085
913C	Party Lemonade bitmasks, dp, greedy	1600	x7868
910B	Door Frames greedy, implementation	1600	x1700
906A	Shockers implementation, strings	1600	x4121
898E	Squares and not squares constructive algorithms, greedy	1600	x4567
898D	Alarm Clock greedy	1600	x3892
888D	Almost Identity Permutations combinatorics, dp, math	1600	x8266
878A	Short Program bitmasks, constructive algorithms	1600	x5458
877C	Slava and tanks constructive algorithms	1600	x5670
873C	Strange Game On Matrix greedy, two pointers	1600	x3263
858D	Polycarp's phone book data structures, implementation, sortings	1600	x3828
856A	Set Theory brute force, constructive algorithms	1600	x1430
849B	Tell Your World brute force, geometry	1600	x3636
848A	From Y to Y constructive algorithms	1600	x5119
847H	Load Testing greedy	1600	x2392
847B	Preparing for Merge Sort binary search, data structures	1600	x4945
845B	Luba And The Ticket brute force, greedy, implementation	1600	x5024
837B	Flag of Berland brute force, implementation	1600	x3930
835C	Star sky dp, implementation	1600	x7868
832B	Petya and Exam implementation, strings	1600	x4375
830B	Cards Sorting data structures, implementation, sortings	1600	x2836
825C	Multi-judge Solving greedy, implementation	1600	x4533
825B	Five-In-a-Row brute force, implementation	1600	x4247
822C	Hacker, pack your bags! binary search, greedy, implementation, sortings	1600	x4580
818B	Permutation Game implementation	1600	x3011
817C	Really Big Numbers binary search, brute force, dp, math	1600	x7348
814C	An impassioned circulation of affection brute force, dp, strings, two pointers	1600	x6566
812B	Sagheer, the Hausmeister bitmasks, brute force, dp	1600	x5160
793B	Igor and his way to work dfs and similar, graphs, implementation, shortest paths	1600	x4429
788A	Functions again dp, two pointers	1600	x9085
785C	Anton and Fairy Tale binary search, math	1600	x7339
780C	Andryusha and Colored Balloons dfs and similar, graphs, greedy, trees	1600	x9085
780B	The Meeting Place Cannot Be Changed binary search	1600	x9541
777C	Alyona and Spreadsheet binary search, data structures, dp, greedy, implementation, two pointers	1600	x6361
774K	Stepan and Vowels *special problem, implementation, strings	1600	x1271
768B	Code For 1 constructive algorithms, dfs and similar, divide and conquer	1600	x5962
763A	Timofey and a tree dfs and similar, dp, dsu, graphs, implementation, trees	1600	x10519
756B	Travel Card binary search, dp	1600	x3462
753B	Interactive Bulls and Cows (Easy) brute force, constructive algorithms, implementation	1600	x1190
750C	New Year and Rating binary search, greedy, math	1600	x6551
746C	Tram constructive algorithms, implementation, math	1600	x3710
741B	Arpa's weak amphitheater and Mehrdad's valuable Hoses dfs and similar, dp, dsu	1600	x5224
741A	Arpa's loud Owf and Mehrdad's evil plan dfs and similar, math	1600	x5425
735D	Taxes math, number theory	1600	x13376
735C	Tennis Championship combinatorics, constructive algorithms, greedy, math	1600	x7500
734C	Anton and Making Potions binary search, dp, greedy, two pointers	1600	x5324
733D	Kostya the Sculptor data structures, hashing	1600	x4168
731C	Socks dfs and similar, dsu, graphs, greedy	1600	x6917
730G	Car Repair Shop implementation	1600	x2150
727B	Bill Total Value expression parsing, implementation, strings	1600	x1992
725C	Hidden Word brute force, constructive algorithms, implementation, strings	1600	x2640
723D	Lakes in Berland dfs and similar, dsu, graphs, greedy, implementation	1600	x6945
723C	Polycarp at the Radio greedy	1600	x4619
722C	Destroying Array data structures, dsu	1600	x9297
715A	Plus and Square Root constructive algorithms, math	1600	x5607
712C	Memory and De-Evolution greedy, math	1600	x5771
706C	Hard problem dp, strings	1600	x16120
704A	Thor brute force, data structures, implementation	1600	x9205
691B	s-palindrome implementation, strings	1600	x4804
689B	Mike and Shortcuts dfs and similar, graphs, greedy, shortest paths	1600	x5691