Problemset - Codeforces

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Educational Codeforces Round 169 (Rated for Div. 2)
08:07:17
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Problems

#	Name
978G	Petya's Exams greedy, implementation, sortings	1700	x4314
978F	Mentors binary search, data structures, implementation	1500	x8194
978E	Bus Video System combinatorics, math	1400	x9445
978D	Almost Arithmetic Progression brute force, implementation, math	1500	x8608
977F	Consecutive Subsequence dp	1700	x18119
977E	Cyclic Components dfs and similar, dsu, graphs	1500	x20120
977D	Divide by three, multiply by two dfs and similar, math, sortings	1400	x18083
976C	Nested Segments greedy, implementation, sortings	1500	x6713
976B	Lara Croft and the New Game implementation, math	1300	x5687
975C	Valhalla Siege binary search	1400	x9549
965B	Battleship implementation	1300	x4515
964B	Messages math	1300	x4337
962D	Merge Equals data structures, implementation	1600	x6815
962C	Make a Square brute force, implementation, math	1400	x7789
962B	Students in Railway Carriage constructive algorithms, greedy, implementation	1300	x7637
962A	Equator implementation	1300	x12713
961C	Chessboard bitmasks, brute force, implementation	1400	x5272
960C	Subsequence Counting bitmasks, constructive algorithms, greedy, implementation	1700	x3911
960B	Minimize the error data structures, greedy, sortings	1500	x7723
959C	Mahmoud and Ehab and the wrong algorithm constructive algorithms, trees	1500	x5737
958F1	Lightsabers (easy) implementation	1500	x1600
958E1	Guard Duty (easy) brute force, geometry, greedy, math	1600	x1501
958D1	Hyperspace Jump (easy) expression parsing, math	1400	x2059
958A1	Death Stars (easy) implementation	1400	x1649
957A	Tritonic Iridescence implementation	1300	x5730
955B	Not simply beatiful strings implementation	1400	x4789
954D	Fight Against Traffic dfs and similar, graphs, shortest paths	1600	x6522
954C	Matrix Walk implementation	1700	x3759
954B	String Typing implementation, strings	1400	x7201
952C	Ravioli Sort implementation	1600	x2892
949B	A Leapfrog in the Array constructive algorithms, math	1700	x3708
949A	Zebras greedy	1600	x5329
946C	String Transformation greedy, strings	1300	x8822
940D	Alena And The Heater binary search, implementation	1600	x3605
940C	Phone Numbers constructive algorithms, implementation, strings	1500	x5752
940B	Our Tanya is Crying Out Loud dp, greedy	1400	x8921
939D	Love Rescue dfs and similar, dsu, graphs, greedy, strings	1600	x7224
939C	Convenient For Everybody binary search, two pointers	1600	x4612
938C	Constructing Tests binary search, brute force, constructive algorithms	1700	x3303
937B	Vile Grasshoppers brute force, math, number theory	1400	x6842
936A	Save Energy! binary search, implementation, math	1700	x4346
935C	Fifa and Fafa geometry	1600	x4714
934A	A Compatible Pair brute force, games	1400	x6946
932C	Permutation Cycle brute force, constructive algorithms	1600	x4002
932B	Recursive Queries binary search, data structures, dfs and similar	1300	x7980
931C	Laboratory Work implementation, math	1700	x3340
930B	Game with String implementation, probabilities, strings	1600	x2638
930A	Peculiar apple-tree dfs and similar, graphs, trees	1500	x6993
929C	Красивая команда *special problem, combinatorics, math	1700	x1150
929B	Места в самолёте *special problem, implementation	1300	x2038
929A	Прокат велосипедов *special problem, greedy, implementation	1400	x2494
928B	Chat *special problem, dp	1400	x2525
926I	A Vital Problem	1700	x654
926G	Large Bouquets	1500	x1470
926D	Choose Place	1600	x905
926C	Is This a Zebra? implementation	1700	x1879
926A	2-3-numbers implementation, math	1300	x3721
925B	Resource Distribution binary search, implementation, sortings	1700	x2187
925A	Stairs and Elevators binary search	1600	x3386
924C	Riverside Curio data structures, dp, greedy	1700	x3790
924B	Three-level Laser binary search, greedy, two pointers	1600	x5214
924A	Mystical Mosaic greedy, implementation	1300	x5030
923B	Producing Snow binary search, data structures	1600	x7258
923A	Primal Sport math, number theory	1700	x5008
922C	Cave Painting brute force, number theory	1600	x6980
922B	Magic Forest brute force	1300	x8412
922A	Cloning Toys implementation	1300	x11475
920C	Swap Adjacent Elements dfs and similar, greedy, math, sortings, two pointers	1400	x9109
919D	Substring dfs and similar, dp, graphs	1700	x9736
919C	Seat Arrangements brute force, implementation	1300	x8915
917B	MADMAX dfs and similar, dp, games, graphs	1700	x3508
916C	Jamie and Interesting Graph constructive algorithms, graphs, shortest paths	1600	x5064
915C	Permute Digits dp, greedy	1700	x6984
915B	Browser implementation	1300	x7701
913C	Party Lemonade bitmasks, dp, greedy	1600	x7839
912B	New Year's Eve bitmasks, constructive algorithms, number theory	1300	x11854
911C	Three Garlands brute force, constructive algorithms	1400	x7000
910C	Minimum Sum constructive algorithms, greedy, math	1700	x1772
910B	Door Frames greedy, implementation	1600	x1691
909B	Segments constructive algorithms, math	1300	x6319
908C	New Year and Curling brute force, geometry, implementation, math	1500	x6868
907B	Tic-Tac-Toe implementation	1400	x4049
907A	Masha and Bears brute force, implementation	1300	x5646
906A	Shockers implementation, strings	1600	x4115
901A	Hashing Trees constructive algorithms, trees	1500	x5051
900C	Remove Extra One brute force, data structures, math	1700	x4522
900B	Position in Fraction math, number theory	1300	x7781
899C	Dividing the numbers constructive algorithms, graphs, math	1300	x8394
898E	Squares and not squares constructive algorithms, greedy	1600	x4541
898D	Alarm Clock greedy	1600	x3858
898C	Phone Numbers implementation, strings	1400	x5232
897B	Chtholly's request brute force	1300	x7138
896A	Nephren gives a riddle binary search, dfs and similar	1700	x3437
895B	XK Segments binary search, math, sortings, two pointers	1700	x3458
893C	Rumor dfs and similar, graphs, greedy	1300	x22565
891A	Pride brute force, dp, greedy, math, number theory	1500	x9964
888D	Almost Identity Permutations combinatorics, dp, math	1600	x8116
888C	K-Dominant Character binary search, implementation, two pointers	1400	x8169
887C	Solution for Cube brute force, implementation	1500	x2881
887B	Cubes for Masha brute force, implementation	1300	x5601