Problemset - Codeforces

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Codeforces Round (Div. 2)
6 days

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Problems

#	Name
949B	A Leapfrog in the Array constructive algorithms, math	1700	x3741
949A	Zebras greedy	1600	x5426
946D	Timetable dp	1800	x4493
940D	Alena And The Heater binary search, implementation	1600	x3655
940C	Phone Numbers constructive algorithms, implementation, strings	1500	x5946
940B	Our Tanya is Crying Out Loud dp, greedy	1400	x9082
939E	Maximize! binary search, greedy, ternary search, two pointers	1800	x3177
939D	Love Rescue dfs and similar, dsu, graphs, greedy, strings	1600	x7412
939C	Convenient For Everybody binary search, two pointers	1600	x4654
938C	Constructing Tests binary search, brute force, constructive algorithms	1700	x3359
937B	Vile Grasshoppers brute force, math, number theory	1400	x6940
936A	Save Energy! binary search, implementation, math	1700	x4377
935C	Fifa and Fafa geometry	1600	x4780
934A	A Compatible Pair brute force, games	1400	x7040
933A	A Twisty Movement dp	1800	x5021
932C	Permutation Cycle brute force, constructive algorithms	1600	x4057
931C	Laboratory Work implementation, math	1700	x3372
930B	Game with String implementation, probabilities, strings	1600	x2704
930A	Peculiar apple-tree dfs and similar, graphs, trees	1500	x7304
929C	Красивая команда *special problem, combinatorics, math	1700	x1162
929A	Прокат велосипедов *special problem, greedy, implementation	1400	x2509
928B	Chat *special problem, dp	1400	x2550
926I	A Vital Problem	1700	x668
926G	Large Bouquets	1500	x1487
926D	Choose Place	1600	x937
926C	Is This a Zebra? implementation	1700	x1892
926B	Add Points math, number theory	1800	x1766
925B	Resource Distribution binary search, implementation, sortings	1700	x2212
925A	Stairs and Elevators binary search	1600	x3571
924C	Riverside Curio data structures, dp, greedy	1700	x3892
924B	Three-level Laser binary search, greedy, two pointers	1600	x5358
923C	Perfect Security data structures, greedy, strings, trees	1800	x4326
923B	Producing Snow binary search, data structures	1600	x7385
923A	Primal Sport math, number theory	1700	x5055
922D	Robot Vacuum Cleaner greedy, sortings	1800	x4419
922C	Cave Painting brute force, number theory	1600	x7179
920C	Swap Adjacent Elements dfs and similar, greedy, math, sortings, two pointers	1400	x9300
919D	Substring dfs and similar, dp, graphs	1700	x10353
917B	MADMAX dfs and similar, dp, games, graphs	1700	x3576
917A	The Monster dp, greedy, implementation, math	1800	x3533
916C	Jamie and Interesting Graph constructive algorithms, graphs, shortest paths	1600	x5157
915C	Permute Digits dp, greedy	1700	x7122
914C	Travelling Salesman and Special Numbers brute force, combinatorics, dp	1800	x3860
913D	Too Easy Problems binary search, brute force, data structures, greedy, sortings	1800	x4826
913C	Party Lemonade bitmasks, dp, greedy	1600	x7987
911D	Inversion Counting brute force, math	1800	x4650
911C	Three Garlands brute force, constructive algorithms	1400	x7077
910C	Minimum Sum constructive algorithms, greedy, math	1700	x1826
910B	Door Frames greedy, implementation	1600	x1717
909C	Python Indentation dp	1800	x4989
908C	New Year and Curling brute force, geometry, implementation, math	1500	x6960
907B	Tic-Tac-Toe implementation	1400	x4076
906A	Shockers implementation, strings	1600	x4151
901A	Hashing Trees constructive algorithms, trees	1500	x5139
900C	Remove Extra One brute force, data structures, math	1700	x4601
899D	Shovel Sale constructive algorithms, math	1800	x2781
898E	Squares and not squares constructive algorithms, greedy	1600	x4658
898D	Alarm Clock greedy	1600	x4019
898C	Phone Numbers implementation, strings	1400	x5333
896A	Nephren gives a riddle binary search, dfs and similar	1700	x3479
895B	XK Segments binary search, math, sortings, two pointers	1700	x3575
894B	Ralph And His Magic Field combinatorics, constructive algorithms, math, number theory	1800	x4500
891A	Pride brute force, dp, greedy, math, number theory	1500	x10485
888E	Maximum Subsequence bitmasks, divide and conquer, meet-in-the-middle	1800	x7520
888D	Almost Identity Permutations combinatorics, dp, math	1600	x8647
888C	K-Dominant Character binary search, implementation, two pointers	1400	x8330
887C	Solution for Cube brute force, implementation	1500	x2911
884C	Bertown Subway dfs and similar, greedy, math	1500	x4775
883K	Road Widening constructive algorithms, greedy, implementation	1800	x1107
883H	Palindromic Cut brute force, implementation, strings	1800	x1655
883E	Field of Wonders implementation, strings	1500	x1918
878A	Short Program bitmasks, constructive algorithms	1600	x5583
877C	Slava and tanks constructive algorithms	1600	x5762
877B	Nikita and string brute force, dp	1500	x10640
875B	Sorting the Coins dsu, implementation, sortings, two pointers	1500	x5241
873D	Merge Sort constructive algorithms, divide and conquer	1800	x3248
873C	Strange Game On Matrix greedy, two pointers	1600	x3334
873B	Balanced Substring dp, implementation	1500	x7932
869C	The Intriguing Obsession combinatorics, dp, math	1800	x4756
868C	Qualification Rounds bitmasks, brute force, constructive algorithms, dp	1500	x4656
868B	Race Against Time implementation	1400	x3696
865A	Save the problem! constructive algorithms	1400	x4355
864D	Make a Permutation! greedy, implementation, math	1500	x6030
864C	Bus greedy, implementation, math	1500	x5876
863D	Yet Another Array Queries Problem data structures, implementation	1800	x3334
863C	1-2-3 graphs, implementation	1800	x2529
863B	Kayaking brute force, greedy, sortings	1500	x8672
859C	Pie Rules dp, games	1500	x5483
858D	Polycarp's phone book data structures, implementation, sortings	1600	x3918
858C	Did you mean... dp, greedy, implementation	1500	x5643
858B	Which floor? brute force, implementation	1500	x3760
856A	Set Theory brute force, constructive algorithms	1600	x1458
855B	Marvolo Gaunt's Ring brute force, data structures, dp	1500	x8825
853B	Jury Meeting greedy, sortings, two pointers	1800	x2537
853A	Planning greedy	1500	x5911
852G	Bathroom terminal implementation	1700	x1296
851B	Arpa and an exam about geometry geometry, math	1400	x5590
850A	Five Dimensional Points brute force, geometry, math	1700	x3218
849B	Tell Your World brute force, geometry	1600	x3691
848A	From Y to Y constructive algorithms	1600	x5182