Problemset - Codeforces

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Codeforces Round 988 (Div. 3)
30:09:21
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Problems

#	Name
873F	Forbidden Indices dsu, string suffix structures, strings	2400	x1411
873E	Awards For Contestants brute force, data structures, dp	2300	x702
873D	Merge Sort constructive algorithms, divide and conquer	1800	x3183
873C	Strange Game On Matrix greedy, two pointers	1600	x3276
873B	Balanced Substring dp, implementation	1500	x7843
873A	Chores implementation	800	x8286
871E	Restore the Tree graphs, greedy, trees	2900	x149
870F	Paths data structures, number theory	2700	x621
870E	Points, Lines and Ready-made Titles dfs and similar, dsu, graphs, trees	2300	x1236
870D	Something with XOR Queries brute force, interactive, probabilities	2000	x1232
870C	Maximum splitting dp, greedy, math, number theory	1300	x9227
870B	Maximum of Maximums of Minimums greedy	1200	x9591
870A	Search for Pretty Integers brute force, implementation	900	x10201
869E	The Untended Antiquity data structures, hashing	2400	x1773
869D	The Overdosing Ubiquity brute force, dfs and similar, graphs	2800	x250
869C	The Intriguing Obsession combinatorics, dp, math	1800	x4728
869B	The Eternal Immortality math	1100	x13748
869A	The Artful Expedient brute force, implementation	1100	x9468
868G	El Toll Caves math	3300	x133
868F	Yet Another Minimization Problem divide and conquer, dp	2500	x3849
868E	Policeman and a Tree dp, graphs, trees	2700	x518
868D	Huge Strings bitmasks, brute force, dp, implementation, strings	2200	x925
868C	Qualification Rounds bitmasks, brute force, constructive algorithms, dp	1500	x4633
868B	Race Against Time implementation	1400	x3684
868A	Bark to Unlock brute force, implementation, strings	900	x8719
867A	Between the Offices implementation	800	x19362
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	x5724
865C	Gotta Go Fast binary search, dp	2400	x847
865B	Ordering Pizza binary search, sortings, ternary search	1900	x1867
865A	Save the problem! constructive algorithms	1400	x4332
864F	Cities Excursions dfs and similar, graphs, trees	2700	x621
864E	Fire dp, sortings	2000	x4279
864D	Make a Permutation! greedy, implementation, math	1500	x6011
864C	Bus greedy, implementation, math	1500	x5866
864B	Polycarp and Letters brute force, implementation, strings	1000	x9156
864A	Fair Game implementation, sortings	1000	x11670
863G	Graphic Settings	3200	x56
863F	Almost Permutation flows	2200	x1265
863E	Turn Off The TV data structures, sortings	2000	x3168
863D	Yet Another Array Queries Problem data structures, implementation	1800	x3294
863C	1-2-3 graphs, implementation	1800	x2515
863B	Kayaking brute force, greedy, sortings	1500	x8404
863A	Quasi-palindrome brute force, implementation	900	x10255
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	x1667
862D	Mahmoud and Ehab and the binary string binary search, divide and conquer, interactive	2000	x1888
862C	Mahmoud and Ehab and the xor constructive algorithms	1900	x4098
862B	Mahmoud and Ehab and the bipartiteness dfs and similar, graphs, trees	1300	x18274
862A	Mahmoud and Ehab and the MEX greedy, implementation	1000	x9553
860E	Arkady and a Nobody-men data structures, dfs and similar, trees	2700	x439
859G	Circle of Numbers math	3000	x159
859F	Ordering T-Shirts greedy	2800	x185
859E	Desk Disorder combinatorics, dfs and similar, dsu, graphs, trees	2100	x1868
859D	Third Month Insanity dp, probabilities, trees	2100	x1052
859C	Pie Rules dp, games	1500	x5430
859B	Lazy Security Guard brute force, geometry, math	1000	x7062
859A	Declined Finalists greedy, implementation	800	x7745
858F	Wizard's Tour constructive algorithms, dfs and similar, graphs	2300	x1630
858E	Tests Renumeration greedy, implementation	2200	x510
858D	Polycarp's phone book data structures, implementation, sortings	1600	x3852
858C	Did you mean... dp, greedy, implementation	1500	x5636
858B	Which floor? brute force, implementation	1500	x3748
858A	k-rounding brute force, math, number theory	1100	x8063
856F	To Play or not to Play greedy	3000	x104
856E	Satellites	3100	x71
856D	Masha and Cactus dp, trees	2400	x409
856C	Eleventh Birthday combinatorics, dp, math	2400	x624
856B	Similar Words dp, hashing, strings, trees	2300	x512
856A	Set Theory brute force, constructive algorithms	1600	x1442
855G	Harry Vs Voldemort dfs and similar, dp, graphs, trees	3300	x221
855F	Nagini binary search, data structures	3100	x459
855E	Salazar Slytherin's Locket bitmasks, dp	2200	x1798
855D	Rowena Ravenclaw's Diadem trees	2500	x528
855C	Helga Hufflepuff's Cup dp, trees	2000	x2092
855B	Marvolo Gaunt's Ring brute force, data structures, dp	1500	x8732
855A	Tom Riddle's Diary brute force, implementation, strings	800	x22018
854B	Maxim Buys an Apartment constructive algorithms, math	1200	x8198
854A	Fraction brute force, constructive algorithms, math	800	x13652
853E	Lada Malina data structures, geometry	3400	x66
853D	Michael and Charging Stations binary search, dp, greedy	2400	x675
853C	Boredom data structures	2100	x1508
853B	Jury Meeting greedy, sortings, two pointers	1800	x2533
853A	Planning greedy	1500	x5858
852I	Dating brute force, dfs and similar, graphs, trees	2300	x581
852H	Bob and stages dp, geometry	3000	x152
852G	Bathroom terminal implementation	1700	x1290
852F	Product transformation combinatorics, math, number theory	2200	x577
852E	Casinos and travel dp	2100	x1062
852D	Exploration plan binary search, flows, graph matchings, shortest paths	2100	x1024
852C	Property greedy, sortings	2100	x600
852B	Neural Network country dp, matrices	2000	x1464
852A	Digits brute force, implementation, math	2500	x389
851B	Arpa and an exam about geometry geometry, math	1400	x5561
851A	Arpa and a research in Mexican wave implementation, math	800	x9788
850F	Rainbow Balls math	2800	x669
850E	Random Elections bitmasks, brute force, divide and conquer, fft, math	2800	x401
850D	Tournament Construction constructive algorithms, dp, graphs, greedy, math	2800	x393