Problemset - Codeforces

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

#	Name
460B	Little Dima and Equation brute force, implementation, math, number theory	1500	x12432
460A	Vasya and Socks brute force, implementation, math	900	x46464
459E	Pashmak and Graph dp, sortings	1900	x5546
459D	Pashmak and Parmida's problem data structures, divide and conquer, sortings	1800	x10295
459C	Pashmak and Buses combinatorics, constructive algorithms, math	1900	x6193
459B	Pashmak and Flowers combinatorics, implementation, sortings	1300	x40764
459A	Pashmak and Garden implementation	1200	x33147
457F	An easy problem about trees dp, games, greedy, trees	3200	x107
457E	Flow Optimality constructive algorithms, flows, math	3000	x96
457D	Bingo! combinatorics, math, probabilities	2700	x282
457C	Elections brute force	2100	x881
457B	Distributed Join greedy	1900	x1135
457A	Golden System math, meet-in-the-middle	1700	x1284
456B	Fedya and Maths math, number theory	1200	x16858
456A	Laptops sortings	1100	x48767
455E	Function data structures	2900	x684
455D	Serega and Fun data structures	2700	x3031
455C	Civilization dfs and similar, dp, dsu, ternary search, trees	2100	x5779
455B	A Lot of Games dfs and similar, dp, games, implementation, strings, trees	1900	x6015
455A	Boredom dp	1500	x59524
454B	Little Pony and Sort by Shift implementation	1200	x18249
454A	Little Pony and Crystal Mine implementation	800	x14900
453E	Little Pony and Lord Tirek data structures	3100	x751
453D	Little Pony and Elements of Harmony dp, matrices	3000	x471
453C	Little Pony and Summer Sun Celebration constructive algorithms, dfs and similar, graphs	2200	x1642
453B	Little Pony and Harmony Chest bitmasks, brute force, dp	2000	x4752
453A	Little Pony and Expected Maximum probabilities	1600	x10688
452F	Permutation data structures, divide and conquer, hashing	2700	x1521
452E	Three strings data structures, dsu, string suffix structures, strings	2400	x1067
452D	Washer, Dryer, Folder greedy, implementation	1900	x1525
452C	Magic Trick combinatorics, math, probabilities	2100	x1633
452B	4-point polyline brute force, constructive algorithms, geometry, trees	1800	x2002
452A	Eevee brute force, implementation, strings	1000	x8031
451E	Devu and Flowers bitmasks, combinatorics, number theory	2300	x3672
451D	Count Good Substrings math	2000	x4785
451C	Predict Outcome of the Game brute force, implementation, math	1700	x3389
451B	Sort the Array implementation, sortings	1300	x45887
451A	Game With Sticks implementation	900	x66380
450B	Jzzhu and Sequences implementation, math	1300	x26496
450A	Jzzhu and Children implementation	1000	x35109
449E	Jzzhu and Squares dp, math, number theory	2900	x285
449D	Jzzhu and Numbers bitmasks, combinatorics, dp	2400	x4551
449C	Jzzhu and Apples constructive algorithms, number theory	2500	x2283
449B	Jzzhu and Cities graphs, greedy, shortest paths	2000	x8743
449A	Jzzhu and Chocolate greedy, math	1700	x3951
448E	Divisors brute force, dfs and similar, implementation, number theory	2200	x1543
448D	Multiplication Table binary search, brute force	1800	x14250
448C	Painting Fence divide and conquer, dp, greedy	1900	x8300
448B	Suffix Structures implementation, strings	1400	x16181
448A	Rewards implementation	800	x24535
447B	DZY Loves Strings greedy, implementation	1000	x20335
447A	DZY Loves Hash implementation	800	x9621
446E	DZY Loves Bridges math, matrices	3100	x134
446D	DZY Loves Games math, matrices, probabilities	2800	x417
446C	DZY Loves Fibonacci Numbers data structures, math, number theory	2400	x3375
446B	DZY Loves Modification brute force, data structures, greedy	2000	x3600
446A	DZY Loves Sequences dp, implementation, two pointers	1600	x12607
445B	DZY Loves Chemistry dfs and similar, dsu, greedy	1400	x12802
445A	DZY Loves Chessboard dfs and similar, implementation	1200	x29974
444E	DZY Loves Planting binary search, dsu, trees	2700	x779
444D	DZY Loves Strings binary search, hashing, strings, two pointers	2500	x783
444C	DZY Loves Colors data structures	2400	x2943
444B	DZY Loves FFT probabilities	2300	x1070
444A	DZY Loves Physics greedy, math	1600	x3426
443B	Kolya and Tandem Repeat brute force, implementation, strings	1500	x4067
443A	Anton and Letters constructive algorithms, implementation	800	x91066
442E	Gena and Second Distance geometry	3100	x175
442D	Adam and Tree data structures, trees	2600	x999
442C	Artem and Array data structures, greedy	2500	x1811
442B	Andrey and Problem greedy, math, probabilities	1800	x5276
442A	Borya and Hanabi bitmasks, brute force, implementation	1700	x2154
441E	Valera and Number bitmasks, dp, math, probabilities	2400	x723
441D	Valera and Swaps constructive algorithms, dsu, graphs, implementation, math, string suffix structures	2100	x1112
441C	Valera and Tubes constructive algorithms, dfs and similar, implementation	1500	x11263
441B	Valera and Fruits greedy, implementation	1400	x7106
441A	Valera and Antique Items implementation	1000	x18546
440D	Berland Federalization dp, trees	2200	x707
440C	One-Based Arithmetic brute force, dfs and similar, divide and conquer	1800	x921
440B	Balancer greedy, implementation	1600	x1992
440A	Forgotten Episode implementation	800	x7527
439E	Devu and Birthday Celebration combinatorics, dp, math	2100	x1574
439D	Devu and his Brother binary search, sortings, ternary search, two pointers	1700	x6137
439C	Devu and Partitioning of the Array brute force, constructive algorithms, implementation, number theory	1700	x3936
439B	Devu, the Dumb Guy implementation, sortings	1200	x14396
439A	Devu, the Singer and Churu, the Joker greedy, implementation	900	x25398
438E	The Child and Binary Tree combinatorics, divide and conquer, fft, number theory	3100	x1895
438D	The Child and Sequence data structures, math	2300	x8781
437E	The Child and Polygon dp, geometry	2500	x707
437D	The Child and Zoo dsu, sortings	1900	x3399
437C	The Child and Toy graphs, greedy, sortings	1400	x14023
437B	The Child and Set bitmasks, greedy, implementation, sortings	1500	x9562
437A	The Child and Homework implementation	1300	x9048
436F	Banners brute force, data structures, dp	3000	x400
436E	Cardboard Box data structures, greedy	2600	x1398
436D	Pudding Monsters dp	2800	x326
436C	Dungeons and Candies dsu, graphs, greedy, trees	1800	x2680
436B	Om Nom and Spiders implementation, math	1400	x3056
436A	Feed with Candy greedy	1500	x3486
435E	Special Graph	2500	x244
435D	Special Grid brute force, dp, greedy	2000	x761