Problemset - Codeforces

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Rayan Programming Contest 2024 - Selection (Codeforces Round, Div. 1 + Div. 2)
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Problems

#	Name
1042D	Petya and Array data structures, divide and conquer, two pointers	1800	x6292
1042C	Array Product constructive algorithms, greedy, math	1700	x4729
1041F	Ray in the tube data structures, divide and conquer, dp, math	2500	x1505
1041E	Tree Reconstruction constructive algorithms, data structures, graphs, greedy	1900	x3611
1041D	Glider binary search, data structures, two pointers	1700	x6007
1041C	Coffee Break binary search, data structures, greedy, two pointers	1600	x9525
1039E	Summer Oenothera Exhibition data structures	3400	x272
1039D	You Are Given a Tree data structures, dp, trees	2800	x1857
1039C	Network Safety dfs and similar, dsu, graphs, math, sortings	2200	x1364
1039B	Subway Pursuit binary search, interactive, probabilities	2100	x2377
1039A	Timetable constructive algorithms, data structures, greedy, math	2300	x789
1038F	Wrap Around dp, strings	2900	x348
1038E	Maximum Matching bitmasks, brute force, dfs and similar, dp, graphs	2400	x990
1038D	Slime dp, greedy, implementation	1800	x8419
1037H	Security data structures, string suffix structures	3200	x1040
1037G	A Game on Strings games	3200	x310
1037F	Maximum Reduction combinatorics, data structures, math	2500	x1150
1037E	Trips graphs	2200	x2917
1037D	Valid BFS? dfs and similar, graphs, shortest paths, trees	1700	x15042
1036G	Sources and Sinks bitmasks, brute force, dfs and similar	2700	x382
1036F	Relatively Prime Powers combinatorics, math, number theory	2400	x1618
1036E	Covered Points fft, geometry, number theory	2400	x1660
1036D	Vasya and Arrays greedy, two pointers	1600	x9350
1036C	Classy Numbers combinatorics, dp	1900	x9820
1036B	Diagonal Walking v.2 math	1600	x5723
1034E	Little C Loves 3 III bitmasks, dp, math	3200	x644
1034D	Intervals of Intervals binary search, data structures, two pointers	3500	x457
1034C	Region Separation combinatorics, dp, number theory, trees	2700	x888
1034B	Little C Loves 3 II brute force, constructive algorithms, flows, graph matchings	2200	x2156
1034A	Enlarge GCD number theory	1800	x8808
1033G	Chip Game games	3500	x387
1033F	Boolean Computer bitmasks, brute force, fft, math	2800	x393
1033E	Hidden Bipartite Graph binary search, constructive algorithms, dfs and similar, graphs, interactive	2800	x657
1033D	Divisors interactive, math, number theory	2000	x2406
1033C	Permutation Game brute force, dp, games	1600	x5624
1032G	Chattering	2900	x466
1032F	Vasya and Maximum Matching dp, trees	2400	x969
1032E	The Unbearable Lightness of Weights dp, math	2100	x1693
1032D	Barcelonian Distance geometry, implementation	1900	x2842
1032C	Playing Piano constructive algorithms, dp	1700	x3999
1031F	Familiar Operations brute force, graphs, math	2800	x280
1031E	Triple Flips constructive algorithms	2600	x533
1031D	Minimum path greedy	1900	x2818
1031C	Cram Time greedy	1600	x5330
1031B	Curiosity Has No Limits	1500	x3936
1030G	Linear Congruential Generator number theory	2900	x368
1030F	Putting Boxes Together data structures	2500	x819
1030E	Vasya and Good Sequences bitmasks, dp	2000	x3113
1030D	Vasya and Triangle geometry, number theory	1800	x5976
1029F	Multicolored Markers binary search, brute force, math, number theory	2000	x2588
1029E	Tree with Small Distances dp, graphs, greedy	2100	x2958
1029D	Concatenated Multiples implementation, math	1900	x3894
1029C	Maximal Intersection greedy, math, sortings	1600	x7602
1028H	Make Square math	2900	x496
1028G	Guess the number dp, interactive	3000	x575
1028F	Make Symmetrical brute force	2900	x525
1028E	Restore Array constructive algorithms	2400	x1146
1028D	Order book combinatorics, data structures, greedy	2100	x1747
1028C	Rectangles geometry, implementation, sortings	1600	x4614
1027G	X-mouse in the Campus bitmasks, math, number theory	2600	x310
1027F	Session in BSU binary search, dfs and similar, dsu, graph matchings, graphs	2400	x1565
1027E	Inverse Coloring combinatorics, dp, math	2100	x2141
1027D	Mouse Hunt dfs and similar, graphs	1700	x7560
1027C	Minimum Value Rectangle greedy	1600	x6919
1025G	Company Acquisitions constructive algorithms, math	3200	x737
1025F	Disjoint Triangles geometry	2700	x698
1025E	Colored Cubes constructive algorithms, implementation, matrices	2700	x571
1025D	Recovering BST brute force, dp, math, number theory, trees	2100	x3675
1025C	Plasticine zebra constructive algorithms, implementation	1600	x6146
1025B	Weakened Common Divisor brute force, greedy, number theory	1600	x7922
1023G	Pisces data structures, flows, trees	3400	x129
1023F	Mobile Phone Network dfs and similar, dsu, graphs, trees	2600	x889
1023E	Down or Right constructive algorithms, interactive, matrices	2100	x2039
1023D	Array Restoration constructive algorithms, data structures	1700	x4048
1019E	Raining season data structures, divide and conquer, trees	3200	x340
1019D	Large Triangle binary search, geometry, sortings	2700	x650
1019C	Sergey's problem constructive algorithms, graphs	3000	x1125
1019B	The hat binary search, interactive	2000	x1965
1019A	Elections brute force, greedy	1700	x4653
1017H	The Films brute force	3300	x147
1017G	The Tree data structures	3200	x914
1017F	The Neutral Zone brute force, math	2500	x821
1017E	The Supersonic Rocket geometry, hashing, strings	2400	x1028
1017D	The Wu bitmasks, brute force, data structures	1900	x3550
1017C	The Phone Number constructive algorithms, greedy	1600	x6034
1016G	Appropriate Team bitmasks, math, number theory	2700	x266
1016F	Road Projects dfs and similar, dp, trees	2600	x818
1016E	Rest In The Shades binary search, geometry	2400	x1160
1016D	Vasya And The Matrix constructive algorithms, flows, math	1800	x4722
1016C	Vasya And The Mushrooms dp, implementation	1800	x3770
1015F	Bracket Substring dp, strings	2300	x1141
1015E2	Stars Drawing (Hard Edition) binary search, dp, greedy	1900	x3631
1015E1	Stars Drawing (Easy Edition) brute force, dp, greedy	1700	x5894
1015D	Walking Between Houses constructive algorithms, greedy	1600	x8256
1012F	Passports dp, implementation	3400	x158
1012E	Cycle sort dsu, math	3100	x331
1012D	AB-Strings constructive algorithms, strings	2800	x381
1012C	Hills dp	1900	x3511
1012B	Chemical table constructive algorithms, dfs and similar, dsu, graphs, matrices	1900	x4038
1012A	Photo of The Sky brute force, implementation, math, sortings	1500	x6437