Problemset - Codeforces

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

#	Name
1142E	Pink Floyd graphs, interactive	3200	x520
1142D	Foreigner dp	2800	x519
1142C	U2 geometry	2400	x1384
1142B	Lynyrd Skynyrd data structures, dfs and similar, dp, math, trees	2000	x3080
1142A	The Beatles brute force, math	1700	x3429
1141G	Privatization of Roads in Treeland binary search, constructive algorithms, dfs and similar, graphs, greedy, trees	1900	x2296
1141F2	Same Sum Blocks (Hard) data structures, greedy	1900	x4234
1141F1	Same Sum Blocks (Easy) greedy	1900	x3893
1141E	Superhero Battle math	1700	x6794
1141D	Colored Boots greedy, implementation	1500	x8590
1141C	Polycarp Restores Permutation math	1500	x11548
1141B	Maximal Continuous Rest implementation	900	x21473
1141A	Game 23 implementation, math	1000	x32346
1140G	Double Tree data structures, divide and conquer, shortest paths, trees	2700	x505
1140F	Extending Set of Points data structures, divide and conquer, dsu	2600	x1235
1140E	Palindrome-less Arrays combinatorics, divide and conquer, dp	2200	x1956
1140D	Minimum Triangulation dp, greedy, math	1200	x12680
1140C	Playlist brute force, data structures, sortings	1600	x9629
1140B	Good String implementation, strings	1200	x11365
1140A	Detective Book implementation	1000	x12359
1139F	Dish Shopping data structures, divide and conquer	2500	x439
1139E	Maximize Mex flows, graph matchings, graphs	2400	x1842
1139D	Steps to One dp, math, number theory, probabilities	2300	x2371
1139C	Edgy Trees dfs and similar, dsu, graphs, math, trees	1500	x12775
1139B	Chocolates greedy, implementation	1000	x16534
1139A	Even Substrings implementation, strings	800	x16835
1138B	Circus brute force, greedy, math, strings	1800	x4038
1138A	Sushi for Two binary search, greedy, implementation	900	x18593
1137F	Matches Are Not a Child's Play data structures, trees	3400	x470
1137E	Train Car Selection data structures, greedy	2700	x512
1137D	Cooperative Game constructive algorithms, interactive, number theory	2400	x1635
1137C	Museums Tour dp, graphs, implementation	2500	x1214
1137B	Camp Schedule greedy, hashing, strings	1600	x6194
1137A	Skyscrapers implementation, sortings	1600	x4484
1136E	Nastya Hasn't Written a Legend binary search, data structures	2200	x1086
1136D	Nastya Is Buying Lunch greedy	1800	x3832
1136C	Nastya Is Transposing Matrices constructive algorithms, sortings	1500	x7734
1136B	Nastya Is Playing Computer Games constructive algorithms, math	1000	x11754
1136A	Nastya Is Reading a Book implementation	800	x16449
1133F2	Spanning Tree with One Fixed Degree constructive algorithms, dfs and similar, dsu, graphs, greedy	1900	x3392
1133F1	Spanning Tree with Maximum Degree graphs	1600	x7899
1133E	K Balanced Teams dp, sortings, two pointers	1800	x5575
1133D	Zero Quantity Maximization hashing, math, number theory	1500	x12183
1133C	Balanced Team sortings, two pointers	1200	x23468
1133B	Preparation for International Women's Day math, number theory	1200	x12980
1133A	Middle of the Contest implementation	1000	x17623
1132G	Greedy Subsequences data structures, dp, trees	2400	x1041
1132F	Clear the String dp	2000	x8391
1132E	Knapsack dfs and similar, dp, greedy	2300	x1509
1132D	Stressful Training binary search, greedy	2300	x1941
1132C	Painting the Fence brute force	1700	x5449
1132B	Discounts greedy, sortings	900	x13098
1132A	Regular Bracket Sequence greedy, implementation	1100	x9639
1131G	Most Dangerous Shark data structures, dp, two pointers	2700	x444
1131F	Asya And Kittens constructive algorithms, dsu	1700	x6712
1131E	String Multiplication dp, greedy, strings	2300	x1154
1131D	Gourmet choice dfs and similar, dp, dsu, graphs, greedy	2000	x3320
1131C	Birthday binary search, greedy, sortings	1200	x14898
1131B	Draw! greedy, implementation	1400	x9756
1131A	Sea Battle math	800	x12464
1130C	Connect brute force, dfs and similar, dsu	1400	x8664
1130B	Two Cakes greedy	1200	x7938
1130A	Be Positive implementation	800	x11667
1129E	Legendary Tree binary search, interactive, trees	3100	x440
1129D	Isolation data structures, dp	2900	x1100
1129C	Morse Code binary search, data structures, dp, hashing, sortings, string suffix structures, strings	2400	x930
1129B	Wrong Answer constructive algorithms	2000	x2217
1129A2	Toy Train brute force, greedy	1800	x4112
1129A1	Toy Train (Simplified) brute force, greedy	1700	x3833
1121C	System Testing implementation	1600	x2001
1121B	Mike and Children brute force, implementation	1200	x9107
1121A	Technogoblet of Fire implementation, sortings	1100	x7203
1120F	Secret Letters data structures, dp, greedy	3100	x261
1120E	The very same Munchhausen brute force	2600	x129
1120D	Power Tree dfs and similar, dp, dsu, graphs, greedy, trees	2500	x1423
1120C	Compress String dp, strings	2100	x2117
1120B	Once in a casino constructive algorithms, greedy, implementation, math	2700	x433
1120A	Diana and Liana greedy, implementation, two pointers	1900	x1645
1119H	Triple fft, math	3200	x575
1119G	Get Ready for the Battle constructive algorithms, implementation	3100	x502
1119F	Niyaz and Small Degrees data structures, dp, trees	3400	x734
1119E	Pavel and Triangles brute force, dp, fft, greedy, ternary search	1900	x5056
1119D	Frets On Fire binary search, sortings	1800	x4869
1119C	Ramesses and Corner Inversion constructive algorithms, greedy, implementation, math	1500	x6860
1119B	Alyona and a Narrow Fridge binary search, flows, greedy, sortings	1300	x11230
1119A	Ilya and a Colorful Walk greedy, implementation	1100	x10865
1118F2	Tree Cutting (Hard Version) combinatorics, dfs and similar, dp, trees	2700	x544
1118F1	Tree Cutting (Easy Version) dfs and similar, trees	1800	x6003
1118E	Yet Another Ball Problem constructive algorithms, implementation	1700	x4222
1118D2	Coffee and Coursework (Hard Version) binary search, greedy	1700	x6347
1118D1	Coffee and Coursework (Easy version) brute force, greedy	1700	x5703
1118C	Palindromic Matrix constructive algorithms, implementation	1700	x5796
1118B	Tanya and Candies implementation	1200	x12260
1118A	Water Buying math	800	x20221
1117G	Recursive Queries data structures	2500	x706
1117F	Crisp String bitmasks, dp	2500	x587
1117E	Decypher the String bitmasks, chinese remainder theorem, constructive algorithms, interactive, math	2200	x1534
1117D	Magic Gems dp, math, matrices	2100	x4361
1117C	Magic Ship binary search	1900	x7172
1117B	Emotes greedy, math, sortings	1000	x14492