Problemset - Codeforces

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Problems

#	Name
895B	XK Segments binary search, math, sortings, two pointers	1700	x3533
894E	Ralph and Mushrooms dp, graphs	2100	x2315
894D	Ralph And His Tour in Binary Country brute force, data structures, trees	2200	x1128
894C	Marco and GCD Sequence constructive algorithms, math	1900	x4366
894B	Ralph And His Magic Field combinatorics, constructive algorithms, math, number theory	1800	x4464
893F	Subtree Minimum Query data structures, trees	2300	x1986
893E	Counting Arrays combinatorics, dp, math, number theory	2000	x3642
893D	Credit Card data structures, dp, greedy, implementation	1900	x3036
891E	Lust combinatorics, math, matrices	3000	x930
891D	Sloth dfs and similar, dp, graph matchings, trees	3100	x191
891C	Envy data structures, dsu, graphs	2300	x2367
891B	Gluttony constructive algorithms, greedy	2000	x2988
891A	Pride brute force, dp, greedy, math, number theory	1500	x10141
889E	Mod Mod Mod binary search, dp, math	3000	x549
888G	Xor-MST bitmasks, constructive algorithms, data structures	2300	x4484
888F	Connecting Vertices dp, graphs	2500	x805
888E	Maximum Subsequence bitmasks, divide and conquer, meet-in-the-middle	1800	x7199
888D	Almost Identity Permutations combinatorics, dp, math	1600	x8295
888C	K-Dominant Character binary search, implementation, two pointers	1400	x8221
887F	Row of Models greedy, sortings	2500	x165
887E	Little Brother binary search, geometry, sortings	2800	x163
887D	Ratings and Reality Shows data structures, two pointers	2400	x478
887C	Solution for Cube brute force, implementation	1500	x2892
886F	Symmetric Projections geometry	2900	x267
886E	Maximum Element combinatorics, dp, math	2400	x1015
886D	Restoration of string constructive algorithms, graphs, implementation	2000	x1797
884F	Anti-Palindromize flows, graphs, greedy	2500	x1062
884E	Binary Matrix dsu	2500	x684
884D	Boxes And Balls data structures, greedy	2300	x1998
884C	Bertown Subway dfs and similar, greedy, math	1500	x4704
883L	Berland.Taxi data structures	2500	x231
883K	Road Widening constructive algorithms, greedy, implementation	1800	x1096
883J	Renovation constructive algorithms, greedy, sortings	2400	x576
883I	Photo Processing binary search, dp	1900	x1957
883H	Palindromic Cut brute force, implementation, strings	1800	x1614
883G	Orientation of Edges dfs and similar, graphs	1900	x1409
883E	Field of Wonders implementation, strings	1500	x1898
883D	Packmen Strike Back binary search, dp, math	2500	x372
883C	Downloading B++ binary search, implementation	2300	x627
883B	Berland Army constructive algorithms, graphs, greedy	2600	x367
883A	Automatic Door implementation	2200	x590
878E	Numbers on the blackboard combinatorics, dp	3300	x546
878D	Magic Breeding bitmasks	2900	x673
878C	Tournament data structures, graphs	2700	x922
878B	Teams Formation data structures, implementation	2300	x1059
878A	Short Program bitmasks, constructive algorithms	1600	x5466
877F	Ann and Books data structures, flows, hashing	2300	x1791
877E	Danil and a Part-time Job bitmasks, data structures, trees	2000	x4464
877D	Olya and Energy Drinks data structures, dfs and similar, graphs, shortest paths	2100	x4320
877C	Slava and tanks constructive algorithms	1600	x5676
877B	Nikita and string brute force, dp	1500	x10401
875F	Royal Questions dsu, graphs, greedy	2500	x1328
875E	Delivery Club binary search, data structures, dp	2600	x908
875D	High Cry binary search, bitmasks, combinatorics, data structures, divide and conquer	2200	x2244
875C	National Property 2-sat, dfs and similar, graphs, implementation	2100	x2122
875B	Sorting the Coins dsu, implementation, sortings, two pointers	1500	x5186
873F	Forbidden Indices dsu, string suffix structures, strings	2400	x1375
873E	Awards For Contestants brute force, data structures, dp	2300	x691
873D	Merge Sort constructive algorithms, divide and conquer	1800	x3138
873C	Strange Game On Matrix greedy, two pointers	1600	x3265
873B	Balanced Substring dp, implementation	1500	x7771
871E	Restore the Tree graphs, greedy, trees	2900	x148
870F	Paths data structures, number theory	2700	x614
870E	Points, Lines and Ready-made Titles dfs and similar, dsu, graphs, trees	2300	x1232
870D	Something with XOR Queries brute force, interactive, probabilities	2000	x1219
869E	The Untended Antiquity data structures, hashing	2400	x1748
869D	The Overdosing Ubiquity brute force, dfs and similar, graphs	2800	x250
869C	The Intriguing Obsession combinatorics, dp, math	1800	x4694
868G	El Toll Caves math	3300	x132
868F	Yet Another Minimization Problem divide and conquer, dp	2500	x3747
868E	Policeman and a Tree dp, graphs, trees	2700	x490
868D	Huge Strings bitmasks, brute force, dp, implementation, strings	2200	x909
868C	Qualification Rounds bitmasks, brute force, constructive algorithms, dp	1500	x4613
868B	Race Against Time implementation	1400	x3677
865G	Flowers and Chocolate combinatorics, math, matrices	3300	x135
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	x124
865D	Buy Low Sell High constructive algorithms, data structures, greedy	2400	x5499
865C	Gotta Go Fast binary search, dp	2400	x837
865B	Ordering Pizza binary search, sortings, ternary search	1900	x1831
865A	Save the problem! constructive algorithms	1400	x4328
864F	Cities Excursions dfs and similar, graphs, trees	2700	x618
864E	Fire dp, sortings	2000	x4238
864D	Make a Permutation! greedy, implementation, math	1500	x5995
864C	Bus greedy, implementation, math	1500	x5853
863G	Graphic Settings	3200	x55
863F	Almost Permutation flows	2200	x1244
863E	Turn Off The TV data structures, sortings	2000	x3096
863D	Yet Another Array Queries Problem data structures, implementation	1800	x3243
863C	1-2-3 graphs, implementation	1800	x2493
863B	Kayaking brute force, greedy, sortings	1500	x8214
862F	Mahmoud and Ehab and the final stage data structures, strings	2900	x209
862E	Mahmoud and Ehab and the function binary search, data structures, sortings	2100	x1638
862D	Mahmoud and Ehab and the binary string binary search, divide and conquer, interactive	2000	x1880
862C	Mahmoud and Ehab and the xor constructive algorithms	1900	x4072
860E	Arkady and a Nobody-men data structures, dfs and similar, trees	2700	x434
859G	Circle of Numbers math	3000	x157
859F	Ordering T-Shirts greedy	2800	x182
859E	Desk Disorder combinatorics, dfs and similar, dsu, graphs, trees	2100	x1854
859D	Third Month Insanity dp, probabilities, trees	2100	x1051