Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
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Codeforces Round 941 (Div. 2)
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Problems

#	Name
721D	Maxim and Array constructive algorithms, data structures, greedy, math	2000	x2250
721C	Journey dp, graphs	1800	x5658
721B	Passwords implementation, math, sortings, strings	1100	x11964
721A	One-dimensional Japanese Crossword implementation	800	x18053
720F	Array Covering data structures	3100	x143
720E	Cipher implementation	3100	x62
720D	Slalom data structures, dp, sortings	3100	x222
720C	Homework constructive algorithms	3100	x97
720B	Cactusophobia dfs and similar, flows	2400	x391
720A	Closing ceremony greedy	2000	x805
719B	Anatoly and Cockroaches greedy	1400	x8332
719A	Vitya in the Countryside implementation	1100	x15385
718E	Matvey's Birthday bitmasks, graphs	3300	x332
718D	Andrew and Chemistry dp, hashing, trees	2900	x382
718C	Sasha and Array data structures, math, matrices	2300	x3359
718A	Efim and Strange Grade dp, implementation, math	1700	x4316
717I	Cowboy Beblop at his computer geometry	2800	x202
717H	Pokermon League challenge math, probabilities	2400	x417
717G	Underfail flows	2400	x619
717F	Heroes of Making Magic III data structures	2600	x285
717E	Paint it really, really dark gray dfs and similar	1900	x1427
717D	Dexterina’s Lab games, matrices, probabilities	1900	x1356
717C	Potions Homework implementation, sortings	1200	x3862
717B	R3D3’s Summer Adventure dp, greedy	2700	x136
717A	Festival Organization combinatorics, math, number theory	2900	x332
716B	Complete the Word greedy, two pointers	1300	x11786
716A	Crazy Computer implementation	800	x21753
715E	Complete the Permutations combinatorics, fft, graphs, math	3400	x341
715D	Create a Maze constructive algorithms	3100	x233
715C	Digit Tree dfs and similar, divide and conquer, dsu, trees	2700	x1905
715B	Complete The Graph binary search, constructive algorithms, graphs, shortest paths	2300	x2656
715A	Plus and Square Root constructive algorithms, math	1600	x5541
714B	Filya and Homework implementation, sortings	1200	x13992
714A	Meeting of Old Friends implementation, math	1100	x10669
713E	Sonya Partymaker binary search, dp	3300	x340
713D	Animals and Puzzle binary search, data structures	2700	x1074
713C	Sonya and Problem Wihtout a Legend dp, sortings	2300	x4749
713B	Searching Rectangles binary search, constructive algorithms, interactive	2200	x1419
713A	Sonya and Queries data structures, implementation	1400	x8318
712E	Memory and Casinos data structures, math, probabilities	2500	x601
712D	Memory and Scores combinatorics, dp, math	2200	x1611
712C	Memory and De-Evolution greedy, math	1600	x5528
712B	Memory and Trident implementation, strings	1100	x9601
712A	Memory and Crow implementation, math	800	x11506
711E	ZS and The Birthday Paradox math, number theory, probabilities	2300	x1239
711D	Directed Roads combinatorics, dfs and similar, graphs, math	1900	x4346
711C	Coloring Trees dp	1700	x7767
711B	Chris and Magic Square constructive algorithms, implementation	1400	x8348
711A	Bus to Udayland brute force, implementation	800	x28783
710F	String Set Queries brute force, data structures, hashing, interactive, string suffix structures, strings	2400	x1665
710E	Generate a String dfs and similar, dp	2000	x4963
710D	Two Arithmetic Progressions math, number theory	2500	x1153
710C	Magic Odd Square constructive algorithms, math	1500	x4980
710B	Optimal Point on a Line brute force, sortings	1400	x8515
710A	King Moves implementation	800	x13430
709B	Checkpoints greedy, implementation, sortings	1500	x4696
709A	Juicer implementation	900	x29849
708E	Student's Camp dp, math	3100	x924
708D	Incorrect Flow flows	2900	x688
708C	Centroids data structures, dfs and similar, dp, graphs, greedy, trees	2300	x2973
708B	Recover the String constructive algorithms, greedy, implementation, math	1900	x3193
708A	Letters Cyclic Shift constructive algorithms, greedy, implementation, strings	1200	x8843
707E	Garlands data structures	2400	x999
707D	Persistent Bookcase bitmasks, data structures, dfs and similar, implementation	2200	x2592
707C	Pythagorean Triples math, number theory	1500	x12266
707B	Bakery graphs	1300	x12739
707A	Brain's Photos implementation	800	x46019
706E	Working routine data structures, implementation	2500	x1114
706D	Vasiliy's Multiset binary search, bitmasks, data structures, trees	1800	x9226
706C	Hard problem dp, strings	1600	x15586
706B	Interesting drink binary search, dp, implementation	1100	x58020
706A	Beru-taxi brute force, geometry, implementation	900	x14239
705B	Spider Man games, math	1100	x9027
705A	Hulk implementation	800	x98990
704E	Iron Man data structures, geometry, trees	3300	x272
704D	Captain America flows, greedy	3100	x774
704C	Black Widow dp, graphs, implementation, math	2900	x457
704B	Ant Man dp, graphs, greedy	2500	x1557
704A	Thor brute force, data structures, implementation	1600	x8927
703E	Mishka and Divisors dp, number theory	2600	x585
703D	Mishka and Interesting sum data structures	2100	x3320
703C	Chris and Road geometry, implementation	2100	x1580
703B	Mishka and trip implementation, math	1400	x5628
703A	Mishka and Game implementation	800	x53361
702F	T-Shirts data structures	2800	x1145
702E	Analysis of Pathes in Functional Graph data structures, graphs	2100	x2262
702D	Road to Post Office math	1900	x3239
702C	Cellular Network binary search, implementation, two pointers	1500	x12957
702B	Powers of Two brute force, data structures, implementation, math	1500	x11289
702A	Maximum Increase dp, greedy, implementation	800	x41278
701C	They Are Everywhere binary search, strings, two pointers	1500	x13637
701B	Cells Not Under Attack data structures, math	1200	x11567
701A	Cards greedy, implementation	800	x18837
700E	Cool Slogans string suffix structures, strings	3300	x1121
700D	Huffman Coding on Segment data structures, greedy	3100	x447
700C	Break Up dfs and similar, graphs	2600	x1212
700B	Connecting Universities dfs and similar, dp, graphs, trees	1800	x3765
700A	As Fast As Possible binary search, math	1900	x3142
699B	One Bomb implementation	1400	x7505
699A	Launch of Collider implementation	1000	x15132