Problemset - Codeforces

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Codeforces Round 940 (Div. 2) and CodeCraft-23
44:54:26
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Problems

#	Name
617D	Polyline constructive algorithms, implementation	1700	x4127
1237C2	Balanced Removals (Harder) binary search, constructive algorithms, divide and conquer, greedy, implementation, sortings	1900	x4124
864E	Fire dp, sortings	2000	x4119
1178E	Archaeology brute force, constructive algorithms, greedy, strings	1900	x4112
203A	Two Problems brute force, implementation	1200	x4111
585A	Gennady the Dentist brute force, implementation	1800	x4110
1852B	Imbalanced Arrays constructive algorithms, graphs, greedy, math, sortings, two pointers	1800	x4109
1257E	The Contest data structures, dp, greedy	2000	x4109
68B	Energy exchange binary search	1600	x4109
1841D	Pairs of Segments data structures, greedy, sortings, two pointers	2000	x4106
671A	Recycling Bottles dp, geometry, greedy, implementation	1800	x4104
643A	Bear and Colors implementation	1500	x4100
514D	R2D2 and Droid Army binary search, data structures, two pointers	2000	x4098
1282C	Petya and Exam greedy, sortings, two pointers	1800	x4096
340C	Tourist Problem combinatorics, implementation, math	1600	x4096
1740E	Hanging Hearts constructive algorithms, data structures, dfs and similar, dp, greedy, trees	1800	x4089
961D	Pair Of Lines geometry	2000	x4088
1954D	Colored Balls combinatorics, dp, math, sortings	1800	x4086
1433G	Reducing Delivery Cost brute force, graphs, shortest paths	2100	x4086
906A	Shockers implementation, strings	1600	x4085
1506G	Maximize the Remaining String brute force, data structures, dp, greedy, strings	2000	x4083
31B	Sysadmin Bob greedy, implementation, strings	1500	x4079
520C	DNA Alignment math, strings	1500	x4078
140A	New Year Table geometry, math	1700	x4078
399A	Pages implementation		x4074
1425H	Huge Boxes of Animal Toys constructive algorithms	1300	x4073
1516D	Cut binary search, data structures, dp, graphs, number theory, two pointers	2100	x4072
1453D	Checkpoints brute force, constructive algorithms, greedy, math, probabilities	1900	x4070
1514D	Cut and Stick binary search, data structures, greedy, implementation, sortings	2000	x4069
1929D	Sasha and a Walk in the City combinatorics, dp, math, trees	1900	x4068
270B	Multithreading data structures, greedy, implementation	1400	x4068
772A	Voltage Keepsake binary search, math	1800	x4066
198B	Jumping on Walls shortest paths	1400	x4064
8B	Obsession with Robots constructive algorithms, graphs, implementation	1400	x4062
1056B	Divide Candies math, number theory	1600	x4061
34C	Page Numbers expression parsing, implementation, sortings, strings	1300	x4058
112B	Petya and Square implementation, math	1200	x4057
22B	Bargaining Table brute force, dp	1500	x4057
1438D	Powerful Ksenia bitmasks, constructive algorithms, math	2200	x4051
1045I	Palindrome Pairs hashing, strings	1600	x4051
1141F2	Same Sum Blocks (Hard) data structures, greedy	1900	x4047
33B	String Problem shortest paths	1800	x4047
1421D	Hexagons brute force, constructive algorithms, greedy, implementation, math, shortest paths	1900	x4045
825B	Five-In-a-Row brute force, implementation	1600	x4042
13C	Sequence dp, sortings	2200	x4041
449D	Jzzhu and Numbers bitmasks, combinatorics, dp	2400	x4039
1857G	Counting Graphs combinatorics, divide and conquer, dsu, graphs, greedy, sortings, trees	2000	x4035
797E	Array Queries brute force, data structures, dp	2000	x4032
227A	Where do I Turn? geometry	1300	x4032
1090A	Company Merging greedy	1300	x4026
1638D	Big Brush constructive algorithms, data structures, greedy, implementation	2000	x4025
1799D1	Hot Start Up (easy version) dp	1900	x4024
231D	Magic Box brute force, geometry	1600	x4024
1250A	Berstagram implementation	1400	x4020
1389D	Segment Intersections brute force, greedy, implementation, math	2100	x4019
69E	Subsegments data structures, implementation	1800	x4019
678B	The Same Calendar implementation	1600	x4018
774C	Maximum Number *special problem, constructive algorithms, greedy, implementation	1200	x4017
1689D	Lena and Matrix data structures, dp, geometry, shortest paths	1900	x4014
1250L	Divide The Students binary search, greedy, math	1500	x4014
1620D	Exact Change brute force, constructive algorithms, greedy	2000	x4012
1618F	Reverse bitmasks, constructive algorithms, dfs and similar, implementation, math, strings	2000	x4010
10D	LCIS dp	2800	x4009
1364D	Ehab's Last Corollary constructive algorithms, dfs and similar, graphs, greedy, implementation, trees	2100	x4008
319B	Psychos in a Line data structures, implementation	1900	x4008
1566E	Buds Re-hanging constructive algorithms, dfs and similar, dp, greedy, trees	2000	x4006
907B	Tic-Tac-Toe implementation	1400	x4006
1677B	Tokitsukaze and Meeting data structures, implementation, math	1700	x4005
1846G	Rudolf and CodeVid-23 bitmasks, dp, graphs, greedy, shortest paths	1900	x3998
1117D	Magic Gems dp, math, matrices	2100	x3997
1716C	Robot in a Hallway data structures, dp, greedy, implementation, ternary search	2000	x3993
1650E	Rescheduling the Exam binary search, data structures, greedy, implementation, math, sortings	1900	x3990
311A	The Closest Pair constructive algorithms, implementation	1300	x3989
483B	Friends and Presents binary search, math	1800	x3985
1095E	Almost Regular Bracket Sequence implementation	1900	x3984
1080C	Masha and two friends implementation	1500	x3983
1082E	Increasing Frequency binary search, dp, greedy	2000	x3981
342B	Xenia and Spies brute force, greedy, implementation	1500	x3980
177B1	Rectangular Game number theory	1000	x3977
1952D	Are You a Procrastinator? implementation		x3974
250A	Paper Work greedy	1000	x3973
154A	Hometask greedy	1600	x3972
27E	Number With The Given Amount Of Divisors brute force, dp, number theory	2000	x3971
1105D	Kilani and the Game dfs and similar, graphs, implementation, shortest paths	1900	x3970
1729F	Kirei and the Linear Function hashing, math	1900	x3968
915E	Physical Education Lessons data structures, implementation, sortings	2300	x3963
1250H	Happy Birthday math	1500	x3962
724B	Batch Sort brute force, greedy, implementation, math	1500	x3960
79A	Bus Game greedy	1200	x3960
932C	Permutation Cycle brute force, constructive algorithms	1600	x3959
401D	Roman and Numbers bitmasks, brute force, combinatorics, dp, number theory	2000	x3959
443B	Kolya and Tandem Repeat brute force, implementation, strings	1500	x3956
1733D2	Zero-One (Hard Version) dp, greedy	2000	x3951
1077F1	Pictures with Kittens (easy version) dp	1900	x3951
1621D	The Winter Hike constructive algorithms, greedy, math	2100	x3950
1366E	Two Arrays binary search, brute force, combinatorics, constructive algorithms, dp, two pointers	2100	x3948
767C	Garland dfs and similar, graphs, greedy, trees	2000	x3942
150B	Quantity of Strings combinatorics, dfs and similar, graphs, math	1600	x3942
1023D	Array Restoration constructive algorithms, data structures	1700	x3941
627A	XOR Equation dp, math	1700	x3941