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
879B	Table Tennis data structures, implementation	1200	x11833
879A	Borya's Diagnosis implementation	900	x8946
878E	Numbers on the blackboard combinatorics, dp	3300	x471
878D	Magic Breeding bitmasks	2900	x640
878C	Tournament data structures, graphs	2700	x883
878B	Teams Formation data structures, implementation	2300	x1027
878A	Short Program bitmasks, constructive algorithms	1600	x5257
877F	Ann and Books data structures, flows, hashing	2300	x1597
877E	Danil and a Part-time Job bitmasks, data structures, trees	2000	x4229
877D	Olya and Energy Drinks data structures, dfs and similar, graphs, shortest paths	2100	x3941
877C	Slava and tanks constructive algorithms	1600	x5556
877B	Nikita and string brute force, dp	1500	x9939
877A	Alex and broken contest implementation, strings	1100	x10683
876B	Divisiblity of Differences implementation, math, number theory	1300	x8675
876A	Trip For Meal math	900	x9235
875F	Royal Questions dsu, graphs, greedy	2500	x1241
875E	Delivery Club binary search, data structures, dp	2600	x849
875D	High Cry binary search, bitmasks, combinatorics, data structures, divide and conquer	2200	x1967
875C	National Property 2-sat, dfs and similar, graphs, implementation	2100	x1898
875B	Sorting the Coins dsu, implementation, sortings, two pointers	1500	x5113
875A	Classroom Watch brute force, math	1200	x9486
873F	Forbidden Indices dsu, string suffix structures, strings	2400	x1287
873E	Awards For Contestants brute force, data structures, dp	2300	x487
873D	Merge Sort constructive algorithms, divide and conquer	1800	x2993
873C	Strange Game On Matrix greedy, two pointers	1600	x3206
873B	Balanced Substring dp, implementation	1500	x7392
873A	Chores implementation	800	x7979
871E	Restore the Tree graphs, greedy, trees	2900	x146
870F	Paths data structures, number theory	2700	x593
870E	Points, Lines and Ready-made Titles dfs and similar, dsu, graphs, trees	2300	x973
870D	Something with XOR Queries brute force, interactive, probabilities	2000	x1193
870C	Maximum splitting dp, greedy, math, number theory	1300	x8950
870B	Maximum of Maximums of Minimums greedy	1200	x9095
870A	Search for Pretty Integers brute force, implementation	900	x9937
869E	The Untended Antiquity data structures, hashing	2400	x1464
869D	The Overdosing Ubiquity brute force, dfs and similar, graphs	2800	x235
869C	The Intriguing Obsession combinatorics, dp, math	1800	x4348
869B	The Eternal Immortality math	1100	x12861
869A	The Artful Expedient brute force, implementation	1100	x9348
868G	El Toll Caves math	3300	x119
868F	Yet Another Minimization Problem divide and conquer, dp	2500	x3397
868E	Policeman and a Tree dp, graphs, trees	2700	x446
868D	Huge Strings bitmasks, brute force, dp, implementation, strings	2200	x890
868C	Qualification Rounds bitmasks, brute force, constructive algorithms, dp	1500	x4520
868B	Race Against Time implementation	1400	x3628
868A	Bark to Unlock brute force, implementation, strings	900	x8506
867A	Between the Offices implementation	800	x18715
865G	Flowers and Chocolate combinatorics, math, matrices	3300	x130
865F	Egg Roulette bitmasks, brute force, divide and conquer, math, meet-in-the-middle	3300	x67
865E	Hex Dyslexia bitmasks, brute force, dp, graphs	3300	x118
865D	Buy Low Sell High constructive algorithms, data structures, greedy	2400	x4709
865C	Gotta Go Fast binary search, dp	2400	x809
865B	Ordering Pizza binary search, sortings, ternary search	1900	x1648
865A	Save the problem! constructive algorithms	1400	x4135
864F	Cities Excursions dfs and similar, graphs, trees	2700	x577
864E	Fire dp, sortings	2000	x4122
864D	Make a Permutation! greedy, implementation, math	1500	x5953
864C	Bus greedy, implementation, math	1500	x5824
864B	Polycarp and Letters brute force, implementation, strings	1000	x8867
864A	Fair Game implementation, sortings	1000	x11514
863G	Graphic Settings	3200	x53
863F	Almost Permutation flows	2200	x1180
863E	Turn Off The TV data structures, sortings	2000	x2937
863D	Yet Another Array Queries Problem data structures, implementation	1800	x3135
863C	1-2-3 graphs, implementation	1800	x2402
863B	Kayaking brute force, greedy, sortings	1500	x7532
863A	Quasi-palindrome brute force, implementation	900	x9955
862F	Mahmoud and Ehab and the final stage data structures, strings	2900	x197
862E	Mahmoud and Ehab and the function binary search, data structures, sortings	2100	x1388
862D	Mahmoud and Ehab and the binary string binary search, divide and conquer, interactive	2000	x1648
862C	Mahmoud and Ehab and the xor constructive algorithms	1900	x3929
862B	Mahmoud and Ehab and the bipartiteness dfs and similar, graphs, trees	1300	x15867
862A	Mahmoud and Ehab and the MEX greedy, implementation	1000	x9346
860E	Arkady and a Nobody-men data structures, dfs and similar, trees	2700	x419
859G	Circle of Numbers math	3000	x144
859F	Ordering T-Shirts greedy	2800	x159
859E	Desk Disorder combinatorics, dfs and similar, dsu, graphs, trees	2100	x1639
859D	Third Month Insanity dp, probabilities, trees	2100	x848
859C	Pie Rules dp, games	1500	x5233
859B	Lazy Security Guard brute force, geometry, math	1000	x6734
859A	Declined Finalists greedy, implementation	800	x7603
858F	Wizard's Tour constructive algorithms, dfs and similar, graphs	2300	x1468
858E	Tests Renumeration greedy, implementation	2200	x495
858D	Polycarp's phone book data structures, implementation, sortings	1600	x3705
858C	Did you mean... dp, greedy, implementation	1500	x5441
858B	Which floor? brute force, implementation	1500	x3687
858A	k-rounding brute force, math, number theory	1100	x7840
856F	To Play or not to Play greedy	3000	x101
856E	Satellites	3100	x65
856D	Masha and Cactus dp, trees	2400	x367
856C	Eleventh Birthday combinatorics, dp, math	2400	x522
856B	Similar Words dp, hashing, strings, trees	2300	x475
856A	Set Theory brute force, constructive algorithms	1600	x1354
855G	Harry Vs Voldemort dfs and similar, dp, graphs, trees	3300	x199
855F	Nagini binary search, data structures	3100	x393
855E	Salazar Slytherin's Locket bitmasks, dp	2200	x1606
855D	Rowena Ravenclaw's Diadem trees	2500	x474
855C	Helga Hufflepuff's Cup dp, trees	2000	x1974
855B	Marvolo Gaunt's Ring brute force, data structures, dp	1500	x8343
855A	Tom Riddle's Diary brute force, implementation, strings	800	x20021