Problemset - Codeforces

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Rayan Programming Contest 2024 - Selection (Codeforces Round 989, Div. 1 + Div. 2)
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Problems

#	Name
865G	Flowers and Chocolate combinatorics, math, matrices	3300	x136
865F	Egg Roulette bitmasks, brute force, divide and conquer, math, meet-in-the-middle	3300	x68
865E	Hex Dyslexia bitmasks, brute force, dp, graphs	3300	x139
865D	Buy Low Sell High constructive algorithms, data structures, greedy	2400	x5798
865C	Gotta Go Fast binary search, dp	2400	x852
865B	Ordering Pizza binary search, sortings, ternary search	1900	x1871
864F	Cities Excursions dfs and similar, graphs, trees	2700	x630
864E	Fire dp, sortings	2000	x4287
863G	Graphic Settings	3200	x57
863F	Almost Permutation flows	2200	x1267
863E	Turn Off The TV data structures, sortings	2000	x3188
863D	Yet Another Array Queries Problem data structures, implementation	1800	x3310
863C	1-2-3 graphs, implementation	1800	x2522
862F	Mahmoud and Ehab and the final stage data structures, strings	2900	x210
862E	Mahmoud and Ehab and the function binary search, data structures, sortings	2100	x1672
862D	Mahmoud and Ehab and the binary string binary search, divide and conquer, interactive	2000	x1894
862C	Mahmoud and Ehab and the xor constructive algorithms	1900	x4099
860E	Arkady and a Nobody-men data structures, dfs and similar, trees	2700	x444
859G	Circle of Numbers math	3000	x159
859F	Ordering T-Shirts greedy	2800	x187
859E	Desk Disorder combinatorics, dfs and similar, dsu, graphs, trees	2100	x1870
859D	Third Month Insanity dp, probabilities, trees	2100	x1053
858F	Wizard's Tour constructive algorithms, dfs and similar, graphs	2300	x1638
858E	Tests Renumeration greedy, implementation	2200	x510
858D	Polycarp's phone book data structures, implementation, sortings	1600	x3857
856F	To Play or not to Play greedy	3000	x104
856E	Satellites	3100	x71
856D	Masha and Cactus dp, trees	2400	x413
856C	Eleventh Birthday combinatorics, dp, math	2400	x629
856B	Similar Words dp, hashing, strings, trees	2300	x515
856A	Set Theory brute force, constructive algorithms	1600	x1444
855G	Harry Vs Voldemort dfs and similar, dp, graphs, trees	3300	x222
855F	Nagini binary search, data structures	3100	x459
855E	Salazar Slytherin's Locket bitmasks, dp	2200	x1809
855D	Rowena Ravenclaw's Diadem trees	2500	x529
855C	Helga Hufflepuff's Cup dp, trees	2000	x2104
853E	Lada Malina data structures, geometry	3400	x68
853D	Michael and Charging Stations binary search, dp, greedy	2400	x678
853C	Boredom data structures	2100	x1512
853B	Jury Meeting greedy, sortings, two pointers	1800	x2535
852I	Dating brute force, dfs and similar, graphs, trees	2300	x583
852H	Bob and stages dp, geometry	3000	x152
852G	Bathroom terminal implementation	1700	x1291
852F	Product transformation combinatorics, math, number theory	2200	x578
852E	Casinos and travel dp	2100	x1065
852D	Exploration plan binary search, flows, graph matchings, shortest paths	2100	x1032
852C	Property greedy, sortings	2100	x601
852B	Neural Network country dp, matrices	2000	x1472
852A	Digits brute force, implementation, math	2500	x389
850F	Rainbow Balls math	2800	x670
850E	Random Elections bitmasks, brute force, divide and conquer, fft, math	2800	x403
850D	Tournament Construction constructive algorithms, dp, graphs, greedy, math	2800	x393
850C	Arpa and a game with Mojtaba bitmasks, dp, games	2200	x1518
850B	Arpa and a list of numbers implementation, number theory	2100	x2033
850A	Five Dimensional Points brute force, geometry, math	1700	x3213
849B	Tell Your World brute force, geometry	1600	x3667
848E	Days of Floral Colours combinatorics, divide and conquer, dp, fft, math	3400	x212
848D	Shake It! combinatorics, dp, flows, graphs	2900	x384
848C	Goodbye Souvenir data structures, divide and conquer	2600	x1379
848B	Rooter's Song constructive algorithms, data structures, geometry, implementation, sortings, two pointers	1900	x1907
848A	From Y to Y constructive algorithms	1600	x5133
847L	Berland SU Computer Network constructive algorithms, dfs and similar, graphs, hashing, trees	2400	x321
847K	Travel Cards greedy, implementation, sortings	1800	x1697
847J	Students Initiation binary search, flows, graphs	2400	x640
847I	Noise Level dfs and similar, implementation, math	1900	x1534
847H	Load Testing greedy	1600	x2452
847F	Berland Elections greedy, sortings	2100	x869
847E	Packmen binary search, dp	1800	x3092
847D	Dog Show constructive algorithms, data structures, greedy	2200	x1217
847C	Sum of Nestings constructive algorithms	1800	x2381
847B	Preparing for Merge Sort binary search, data structures	1600	x5063
846F	Random Query data structures, math, probabilities, two pointers	1800	x2286
846E	Chemistry in Berland dfs and similar, greedy, trees	2300	x907
846D	Monitor binary search, data structures	1900	x2538
846C	Four Segments brute force, data structures, dp	1800	x2717
846B	Math Show brute force, greedy	1800	x2525
845G	Shortest Path Problem? dfs and similar, graphs, math	2300	x1698
845F	Guards In The Storehouse bitmasks, dp	2500	x458
845E	Fire in the City binary search, data structures	2400	x604
845D	Driving Test data structures, dp, greedy	1800	x2396
845B	Luba And The Ticket brute force, greedy, implementation	1600	x5051
843E	Maximum Flow flows, graphs	3000	x320
843D	Dynamic Shortest Path graphs, shortest paths	3400	x918
843C	Upgrading Tree constructive algorithms, dfs and similar, graphs, math, trees	2600	x361
843B	Interactive LowerBound brute force, interactive, probabilities	2000	x2285
842E	Nikita and game binary search, dfs and similar, divide and conquer, graphs, trees	2800	x433
842D	Vitya and Strange Lesson binary search, data structures	2000	x3705
842C	Ilya And The Tree dfs and similar, graphs, math, number theory, trees	2000	x3506
840E	In a Trap trees	3200	x495
840D	Destiny data structures, probabilities	2500	x3079
840C	On the Bench combinatorics, dp	2500	x1798
840B	Leha and another game about graph constructive algorithms, data structures, dfs and similar, dp, graphs	2100	x2487
839E	Mother of Dragons brute force, graphs, math, meet-in-the-middle	2700	x919
839D	Winter is here combinatorics, dp, math, number theory	2200	x2997
839B	Game of the Rows brute force, greedy, implementation	1900	x3333
838F	Expected Earnings	2800	x98
838E	Convex Countour dp	2300	x356
838D	Airplane Arrangements math, number theory	2700	x922
838C	Future Failure dp, games	2800	x296
838B	Diverging Directions data structures, dfs and similar, trees	2100	x838