Problemset - Codeforces

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Rayan Programming Contest 2024 - Selection (Codeforces Round 989, Div. 1 + Div. 2)
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Problems

#	Name
887C	Solution for Cube brute force, implementation	1500	x2900
887B	Cubes for Masha brute force, implementation	1300	x5650
887A	Div. 64 implementation	1000	x11318
886F	Symmetric Projections geometry	2900	x268
886E	Maximum Element combinatorics, dp, math	2400	x1035
886D	Restoration of string constructive algorithms, graphs, implementation	2000	x1804
886C	Petya and Catacombs dsu, greedy, implementation, trees	1300	x5483
886B	Vlad and Cafes	1000	x7933
886A	ACM ICPC brute force	1000	x10356
884F	Anti-Palindromize flows, graphs, greedy	2500	x1074
884E	Binary Matrix dsu	2500	x697
884D	Boxes And Balls data structures, greedy	2300	x2044
884C	Bertown Subway dfs and similar, greedy, math	1500	x4751
884B	Japanese Crosswords Strike Back implementation	1100	x6891
884A	Book Reading implementation	800	x10509
883M	Quadcopter Competition greedy, math	1100	x3609
883L	Berland.Taxi data structures	2500	x233
883K	Road Widening constructive algorithms, greedy, implementation	1800	x1104
883J	Renovation constructive algorithms, greedy, sortings	2400	x581
883I	Photo Processing binary search, dp	1900	x2042
883H	Palindromic Cut brute force, implementation, strings	1800	x1623
883G	Orientation of Edges dfs and similar, graphs	1900	x1422
883F	Lost in Transliteration implementation	1300	x2286
883E	Field of Wonders implementation, strings	1500	x1913
883D	Packmen Strike Back binary search, dp, math	2500	x443
883C	Downloading B++ binary search, implementation	2300	x629
883B	Berland Army constructive algorithms, graphs, greedy	2600	x378
883A	Automatic Door implementation	2200	x594
879B	Table Tennis data structures, implementation	1200	x12502
879A	Borya's Diagnosis implementation	900	x9097
878E	Numbers on the blackboard combinatorics, dp	3300	x578
878D	Magic Breeding bitmasks	2900	x703
878C	Tournament data structures, graphs	2700	x928
878B	Teams Formation data structures, implementation	2300	x1073
878A	Short Program bitmasks, constructive algorithms	1600	x5546
877F	Ann and Books data structures, flows, hashing	2300	x1833
877E	Danil and a Part-time Job bitmasks, data structures, trees	2000	x4629
877D	Olya and Energy Drinks data structures, dfs and similar, graphs, shortest paths	2100	x4413
877C	Slava and tanks constructive algorithms	1600	x5735
877B	Nikita and string brute force, dp	1500	x10551
877A	Alex and broken contest implementation, strings	1100	x10900
876B	Divisiblity of Differences implementation, math, number theory	1300	x9228
876A	Trip For Meal math	900	x9419
875F	Royal Questions dsu, graphs, greedy	2500	x1370
875E	Delivery Club binary search, data structures, dp	2600	x924
875D	High Cry binary search, bitmasks, combinatorics, data structures, divide and conquer	2200	x2288
875C	National Property 2-sat, dfs and similar, graphs, implementation	2100	x2136
875B	Sorting the Coins dsu, implementation, sortings, two pointers	1500	x5215
875A	Classroom Watch brute force, math	1200	x9651
873F	Forbidden Indices dsu, string suffix structures, strings	2400	x1414
873E	Awards For Contestants brute force, data structures, dp	2300	x702
873D	Merge Sort constructive algorithms, divide and conquer	1800	x3201
873C	Strange Game On Matrix greedy, two pointers	1600	x3320
873B	Balanced Substring dp, implementation	1500	x7862
873A	Chores implementation	800	x8339
871E	Restore the Tree graphs, greedy, trees	2900	x149
870F	Paths data structures, number theory	2700	x622
870E	Points, Lines and Ready-made Titles dfs and similar, dsu, graphs, trees	2300	x1237
870D	Something with XOR Queries brute force, interactive, probabilities	2000	x1232
870C	Maximum splitting dp, greedy, math, number theory	1300	x9235
870B	Maximum of Maximums of Minimums greedy	1200	x9608
870A	Search for Pretty Integers brute force, implementation	900	x10213
869E	The Untended Antiquity data structures, hashing	2400	x1823
869D	The Overdosing Ubiquity brute force, dfs and similar, graphs	2800	x250
869C	The Intriguing Obsession combinatorics, dp, math	1800	x4732
869B	The Eternal Immortality math	1100	x13794
869A	The Artful Expedient brute force, implementation	1100	x9473
868G	El Toll Caves math	3300	x133
868F	Yet Another Minimization Problem divide and conquer, dp	2500	x3878
868E	Policeman and a Tree dp, graphs, trees	2700	x529
868D	Huge Strings bitmasks, brute force, dp, implementation, strings	2200	x926
868C	Qualification Rounds bitmasks, brute force, constructive algorithms, dp	1500	x4638
868B	Race Against Time implementation	1400	x3686
868A	Bark to Unlock brute force, implementation, strings	900	x8725
867A	Between the Offices implementation	800	x19392
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	x5805
865C	Gotta Go Fast binary search, dp	2400	x852
865B	Ordering Pizza binary search, sortings, ternary search	1900	x1871
865A	Save the problem! constructive algorithms	1400	x4334
864F	Cities Excursions dfs and similar, graphs, trees	2700	x631
864E	Fire dp, sortings	2000	x4288
864D	Make a Permutation! greedy, implementation, math	1500	x6014
864C	Bus greedy, implementation, math	1500	x5867
864B	Polycarp and Letters brute force, implementation, strings	1000	x9195
864A	Fair Game implementation, sortings	1000	x11688
863G	Graphic Settings	3200	x57
863F	Almost Permutation flows	2200	x1267
863E	Turn Off The TV data structures, sortings	2000	x3188
863D	Yet Another Array Queries Problem data structures, implementation	1800	x3310
863C	1-2-3 graphs, implementation	1800	x2522
863B	Kayaking brute force, greedy, sortings	1500	x8457
863A	Quasi-palindrome brute force, implementation	900	x10265
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	x1672
862D	Mahmoud and Ehab and the binary string binary search, divide and conquer, interactive	2000	x1894
862C	Mahmoud and Ehab and the xor constructive algorithms	1900	x4101
862B	Mahmoud and Ehab and the bipartiteness dfs and similar, graphs, trees	1300	x18368