Problemset - Codeforces

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Codeforces Round 1000 (Div. 2)
25:25:18
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Problems

#	Name
875C	National Property 2-sat, dfs and similar, graphs, implementation	2100	x2144
875B	Sorting the Coins dsu, implementation, sortings, two pointers	1500	x5244
875A	Classroom Watch brute force, math	1200	x9754
873F	Forbidden Indices dsu, string suffix structures, strings	2400	x1437
873E	Awards For Contestants brute force, data structures, dp	2300	x712
873D	Merge Sort constructive algorithms, divide and conquer	1800	x3260
873C	Strange Game On Matrix greedy, two pointers	1600	x3338
873B	Balanced Substring dp, implementation	1500	x7978
873A	Chores implementation	800	x8404
871E	Restore the Tree graphs, greedy, trees	2900	x156
870F	Paths data structures, number theory	2700	x625
870E	Points, Lines and Ready-made Titles dfs and similar, dsu, graphs, trees	2300	x1245
870D	Something with XOR Queries brute force, interactive, probabilities	2000	x1235
870C	Maximum splitting dp, greedy, math, number theory	1300	x9282
870B	Maximum of Maximums of Minimums greedy	1200	x9720
870A	Search for Pretty Integers brute force, implementation	900	x10251
869E	The Untended Antiquity data structures, hashing	2400	x1855
869D	The Overdosing Ubiquity brute force, dfs and similar, graphs	2800	x253
869C	The Intriguing Obsession combinatorics, dp, math	1800	x4765
869B	The Eternal Immortality math	1100	x13988
869A	The Artful Expedient brute force, implementation	1100	x9499
868G	El Toll Caves math	3300	x138
868F	Yet Another Minimization Problem divide and conquer, dp	2500	x3970
868E	Policeman and a Tree dp, graphs, trees	2700	x532
868D	Huge Strings bitmasks, brute force, dp, implementation, strings	2200	x928
868C	Qualification Rounds bitmasks, brute force, constructive algorithms, dp	1500	x4665
868B	Race Against Time implementation	1400	x3697
868A	Bark to Unlock brute force, implementation, strings	900	x8879
867A	Between the Offices implementation	800	x19545
865G	Flowers and Chocolate combinatorics, math, matrices	3300	x142
865F	Egg Roulette bitmasks, brute force, divide and conquer, math, meet-in-the-middle	3300	x71
865E	Hex Dyslexia bitmasks, brute force, dp, graphs	3300	x144
865D	Buy Low Sell High constructive algorithms, data structures, greedy	2400	x5963
865C	Gotta Go Fast binary search, dp	2400	x857
865B	Ordering Pizza binary search, sortings, ternary search	1900	x1879
865A	Save the problem! constructive algorithms	1400	x4358
864F	Cities Excursions dfs and similar, graphs, trees	2700	x637
864E	Fire dp, sortings	2000	x4316
864D	Make a Permutation! greedy, implementation, math	1500	x6038
864C	Bus greedy, implementation, math	1500	x5890
864B	Polycarp and Letters brute force, implementation, strings	1000	x9321
864A	Fair Game implementation, sortings	1000	x11726
863G	Graphic Settings	3200	x57
863F	Almost Permutation flows	2200	x1294
863E	Turn Off The TV data structures, sortings	2000	x3244
863D	Yet Another Array Queries Problem data structures, implementation	1800	x3338
863C	1-2-3 graphs, implementation	1800	x2540
863B	Kayaking brute force, greedy, sortings	1500	x8743
863A	Quasi-palindrome brute force, implementation	900	x10336
862F	Mahmoud and Ehab and the final stage data structures, strings	2900	x214
862E	Mahmoud and Ehab and the function binary search, data structures, sortings	2100	x1691
862D	Mahmoud and Ehab and the binary string binary search, divide and conquer, interactive	2000	x1907
862C	Mahmoud and Ehab and the xor constructive algorithms	1900	x4162
862B	Mahmoud and Ehab and the bipartiteness dfs and similar, graphs, trees	1300	x18904
862A	Mahmoud and Ehab and the MEX greedy, implementation	1000	x9636
860E	Arkady and a Nobody-men data structures, dfs and similar, trees	2700	x448
859G	Circle of Numbers math	3000	x162
859F	Ordering T-Shirts greedy	2800	x188
859E	Desk Disorder combinatorics, dfs and similar, dsu, graphs, trees	2100	x1886
859D	Third Month Insanity dp, probabilities, trees	2100	x1055
859C	Pie Rules dp, games	1500	x5494
859B	Lazy Security Guard brute force, geometry, math	1000	x7105
859A	Declined Finalists greedy, implementation	800	x7822
858F	Wizard's Tour constructive algorithms, dfs and similar, graphs	2300	x1684
858E	Tests Renumeration greedy, implementation	2200	x513
858D	Polycarp's phone book data structures, implementation, sortings	1600	x3923
858C	Did you mean... dp, greedy, implementation	1500	x5653
858B	Which floor? brute force, implementation	1500	x3776
858A	k-rounding brute force, math, number theory	1100	x8141
856F	To Play or not to Play greedy	3000	x105
856E	Satellites	3100	x72
856D	Masha and Cactus dp, trees	2400	x416
856C	Eleventh Birthday combinatorics, dp, math	2400	x636
856B	Similar Words dp, hashing, strings, trees	2300	x520
856A	Set Theory brute force, constructive algorithms	1600	x1468
855G	Harry Vs Voldemort dfs and similar, dp, graphs, trees	3300	x223
855F	Nagini binary search, data structures	3100	x464
855E	Salazar Slytherin's Locket bitmasks, dp	2200	x1827
855D	Rowena Ravenclaw's Diadem trees	2500	x534
855C	Helga Hufflepuff's Cup dp, trees	2000	x2116
855B	Marvolo Gaunt's Ring brute force, data structures, dp	1500	x8843
855A	Tom Riddle's Diary brute force, implementation, strings	800	x22459
854B	Maxim Buys an Apartment constructive algorithms, math	1200	x8252
854A	Fraction brute force, constructive algorithms, math	800	x13758
853E	Lada Malina data structures, geometry	3400	x70
853D	Michael and Charging Stations binary search, dp, greedy	2400	x681
853C	Boredom data structures	2100	x1520
853B	Jury Meeting greedy, sortings, two pointers	1800	x2555
853A	Planning greedy	1500	x5917
852I	Dating brute force, dfs and similar, graphs, trees	2300	x587
852H	Bob and stages dp, geometry	3000	x152
852G	Bathroom terminal implementation	1700	x1298
852F	Product transformation combinatorics, math, number theory	2200	x585
852E	Casinos and travel dp	2100	x1070
852D	Exploration plan binary search, flows, graph matchings, shortest paths	2100	x1063
852C	Property greedy, sortings	2100	x603
852B	Neural Network country dp, matrices	2000	x1497
852A	Digits brute force, implementation, math	2500	x394
851B	Arpa and an exam about geometry geometry, math	1400	x5593
851A	Arpa and a research in Mexican wave implementation, math	800	x9844