Problemset - Codeforces

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

#	Name
727A	Transformation: from A to B brute force, dfs and similar, math	1000	x14071
725G	Messages on a Tree	3300	x164
725F	Family Photos games, greedy	2900	x540
725E	Too Much Money brute force, greedy	2600	x654
725D	Contest Balloons data structures, greedy	1800	x2810
725C	Hidden Word brute force, constructive algorithms, implementation, strings	1600	x2648
725B	Food on the Plane implementation, math	1200	x5151
725A	Jumping Ball implementation	1000	x7095
724G	Xor-matic Number of the Graph bitmasks, graphs, math, number theory, trees	2600	x1077
724F	Uniformly Branched Trees combinatorics, dp, trees	2700	x404
724E	Goods transportation dp, flows, greedy	2900	x1317
724D	Dense Subsequence data structures, greedy, strings	1900	x2343
724C	Ray Tracing greedy, hashing, implementation, math, number theory, sortings	1800	x2145
724B	Batch Sort brute force, greedy, implementation, math	1500	x4016
724A	Checking the Calendar implementation	1000	x7104
723F	st-Spanning Tree dsu, graphs, greedy, implementation	2300	x1487
723E	One-Way Reform constructive algorithms, dfs and similar, flows, graphs, greedy	2200	x2000
723D	Lakes in Berland dfs and similar, dsu, graphs, greedy, implementation	1600	x6975
723C	Polycarp at the Radio greedy	1600	x4705
723B	Text Document Analysis expression parsing, implementation, strings	1100	x10211
723A	The New Year: Meeting Friends implementation, math, sortings	800	x79861
722F	Cyclic Cipher chinese remainder theorem, data structures, implementation, number theory, two pointers	2800	x522
722E	Research Rover combinatorics, dp	2900	x876
722D	Generating Sets binary search, data structures, dfs and similar, greedy, strings, trees	1900	x3191
722C	Destroying Array data structures, dsu	1600	x9522
722B	Verse Pattern implementation, strings	1200	x6508
722A	Broken Clock brute force, implementation	1300	x6647
721E	Road to Home binary search, dp	2700	x306
721D	Maxim and Array constructive algorithms, data structures, greedy, math	2000	x2357
721C	Journey dp, graphs	1800	x5917
721B	Passwords implementation, math, sortings, strings	1100	x12108
721A	One-dimensional Japanese Crossword implementation	800	x18619
720F	Array Covering data structures	3100	x154
720E	Cipher implementation	3100	x65
720D	Slalom data structures, dp, sortings	3100	x306
720C	Homework constructive algorithms	3100	x103
720B	Cactusophobia dfs and similar, flows	2400	x407
720A	Closing ceremony greedy	2000	x865
719B	Anatoly and Cockroaches greedy	1400	x8502
719A	Vitya in the Countryside implementation	1100	x15559
718E	Matvey's Birthday bitmasks, graphs	3300	x359
718D	Andrew and Chemistry dp, hashing, trees	2900	x395
718C	Sasha and Array data structures, math, matrices	2300	x3913
718A	Efim and Strange Grade dp, implementation, math	1700	x4404
717I	Cowboy Beblop at his computer geometry	2800	x209
717H	Pokermon League challenge math, probabilities	2400	x423
717G	Underfail flows	2400	x653
717F	Heroes of Making Magic III data structures	2600	x330
717E	Paint it really, really dark gray dfs and similar	1900	x1451
717D	Dexterina’s Lab games, matrices, probabilities	1900	x1444
717C	Potions Homework implementation, sortings	1200	x3955
717B	R3D3’s Summer Adventure dp, greedy	2700	x151
717A	Festival Organization combinatorics, math, number theory	2900	x369
716B	Complete the Word greedy, two pointers	1300	x12244
716A	Crazy Computer implementation	800	x22484
715E	Complete the Permutations combinatorics, fft, graphs, math	3400	x357
715D	Create a Maze constructive algorithms	3100	x292
715C	Digit Tree dfs and similar, divide and conquer, dsu, trees	2700	x2157
715B	Complete The Graph binary search, constructive algorithms, graphs, shortest paths	2300	x2910
715A	Plus and Square Root constructive algorithms, math	1600	x5626
714B	Filya and Homework implementation, sortings	1200	x14571
714A	Meeting of Old Friends implementation, math	1100	x10800
713E	Sonya Partymaker binary search, dp	3300	x353
713D	Animals and Puzzle binary search, data structures	2700	x1159
713C	Sonya and Problem Wihtout a Legend dp, sortings	2300	x5452
713B	Searching Rectangles binary search, constructive algorithms, interactive	2200	x1458
713A	Sonya and Queries data structures, implementation	1400	x8504
712E	Memory and Casinos data structures, math, probabilities	2500	x618
712D	Memory and Scores combinatorics, dp, math	2200	x1847
712C	Memory and De-Evolution greedy, math	1600	x5852
712B	Memory and Trident implementation, strings	1100	x9781
712A	Memory and Crow implementation, math	800	x11913
711E	ZS and The Birthday Paradox math, number theory, probabilities	2300	x1277
711D	Directed Roads combinatorics, dfs and similar, graphs, math	1900	x4500
711C	Coloring Trees dp	1700	x8281
711B	Chris and Magic Square constructive algorithms, implementation	1400	x8425
711A	Bus to Udayland brute force, implementation	800	x29573
710F	String Set Queries brute force, data structures, hashing, interactive, string suffix structures, strings	2400	x1909
710E	Generate a String dfs and similar, dp	2000	x5238
710D	Two Arithmetic Progressions math, number theory	2500	x1365
710C	Magic Odd Square constructive algorithms, math	1500	x5137
710B	Optimal Point on a Line brute force, sortings	1400	x8808
710A	King Moves implementation	800	x13856
709B	Checkpoints greedy, implementation, sortings	1500	x4741
709A	Juicer implementation	900	x32624
708E	Student's Camp dp, math	3100	x1014
708D	Incorrect Flow flows	2900	x765
708C	Centroids data structures, dfs and similar, dp, graphs, greedy, trees	2300	x3383
708B	Recover the String constructive algorithms, greedy, implementation, math	1900	x3265
708A	Letters Cyclic Shift constructive algorithms, greedy, implementation, strings	1200	x9016
707E	Garlands data structures	2400	x1227
707D	Persistent Bookcase bitmasks, data structures, dfs and similar, implementation	2200	x2714
707C	Pythagorean Triples math, number theory	1500	x12698
707B	Bakery graphs	1300	x12992
707A	Brain's Photos implementation	800	x49630
706E	Working routine data structures, implementation	2500	x1193
706D	Vasiliy's Multiset binary search, bitmasks, data structures, trees	1800	x10216
706C	Hard problem dp, strings	1600	x16443
706B	Interesting drink binary search, dp, implementation	1100	x64540
706A	Beru-taxi brute force, geometry, implementation	900	x14532