Problemset - Codeforces

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Codeforces Round 959 sponsored by NEAR (Div. 1 + Div. 2)
02:12:37
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Problems

#	Name
896D	Nephren Runs a Cinema chinese remainder theorem, combinatorics, math, number theory	2900	x522
896C	Willem, Chtholly and Seniorious data structures, probabilities	2600	x3251
896B	Ithea Plays With Chtholly binary search, constructive algorithms, games, greedy, interactive	2000	x2070
896A	Nephren gives a riddle binary search, dfs and similar	1700	x3421
895E	Eyes Closed data structures, probabilities	2300	x965
895D	String Mark combinatorics, math, strings	2100	x1099
895C	Square Subsets bitmasks, combinatorics, dp, math	2000	x5267
895B	XK Segments binary search, math, sortings, two pointers	1700	x3446
894E	Ralph and Mushrooms dp, graphs	2100	x2219
894D	Ralph And His Tour in Binary Country brute force, data structures, trees	2200	x1115
894C	Marco and GCD Sequence constructive algorithms, math	1900	x4330
894B	Ralph And His Magic Field combinatorics, constructive algorithms, math, number theory	1800	x4413
893F	Subtree Minimum Query data structures, trees	2300	x1772
893E	Counting Arrays combinatorics, dp, math, number theory	2000	x3388
893D	Credit Card data structures, dp, greedy, implementation	1900	x2995
891E	Lust combinatorics, math, matrices	3000	x895
891D	Sloth dfs and similar, dp, graph matchings, trees	3100	x179
891C	Envy data structures, dsu, graphs	2300	x2302
891B	Gluttony constructive algorithms, greedy	2000	x2931
889E	Mod Mod Mod binary search, dp, math	3000	x521
888G	Xor-MST bitmasks, constructive algorithms, data structures	2300	x4062
888F	Connecting Vertices dp, graphs	2500	x773
888E	Maximum Subsequence bitmasks, divide and conquer, meet-in-the-middle	1800	x6927
887F	Row of Models greedy, sortings	2500	x163
887E	Little Brother binary search, geometry, sortings	2800	x163
887D	Ratings and Reality Shows data structures, two pointers	2400	x474
886F	Symmetric Projections geometry	2900	x264
886E	Maximum Element combinatorics, dp, math	2400	x992
886D	Restoration of string constructive algorithms, graphs, implementation	2000	x1728
884F	Anti-Palindromize flows, graphs, greedy	2500	x968
884E	Binary Matrix dsu	2500	x676
884D	Boxes And Balls data structures, greedy	2300	x1905
883L	Berland.Taxi data structures	2500	x230
883K	Road Widening constructive algorithms, greedy, implementation	1800	x1082
883J	Renovation constructive algorithms, greedy, sortings	2400	x575
883I	Photo Processing binary search, dp	1900	x1917
883H	Palindromic Cut brute force, implementation, strings	1800	x1597
883G	Orientation of Edges dfs and similar, graphs	1900	x1398
883D	Packmen Strike Back binary search, dp, math	2500	x355
883C	Downloading B++ binary search, implementation	2300	x618
883B	Berland Army constructive algorithms, graphs, greedy	2600	x342
883A	Automatic Door implementation	2200	x580
878E	Numbers on the blackboard combinatorics, dp	3300	x499
878D	Magic Breeding bitmasks	2900	x645
878C	Tournament data structures, graphs	2700	x899
878B	Teams Formation data structures, implementation	2300	x1038
877F	Ann and Books data structures, flows, hashing	2300	x1690
877E	Danil and a Part-time Job bitmasks, data structures, trees	2000	x4327
877D	Olya and Energy Drinks data structures, dfs and similar, graphs, shortest paths	2100	x4238
875F	Royal Questions dsu, graphs, greedy	2500	x1295
875E	Delivery Club binary search, data structures, dp	2600	x868
875D	High Cry binary search, bitmasks, combinatorics, data structures, divide and conquer	2200	x2207
875C	National Property 2-sat, dfs and similar, graphs, implementation	2100	x2104
873F	Forbidden Indices dsu, string suffix structures, strings	2400	x1319
873E	Awards For Contestants brute force, data structures, dp	2300	x547
873D	Merge Sort constructive algorithms, divide and conquer	1800	x3040
871E	Restore the Tree graphs, greedy, trees	2900	x148
870F	Paths data structures, number theory	2700	x604
870E	Points, Lines and Ready-made Titles dfs and similar, dsu, graphs, trees	2300	x1076
870D	Something with XOR Queries brute force, interactive, probabilities	2000	x1198
869E	The Untended Antiquity data structures, hashing	2400	x1567
869D	The Overdosing Ubiquity brute force, dfs and similar, graphs	2800	x240
869C	The Intriguing Obsession combinatorics, dp, math	1800	x4493
868G	El Toll Caves math	3300	x130
868F	Yet Another Minimization Problem divide and conquer, dp	2500	x3580
868E	Policeman and a Tree dp, graphs, trees	2700	x483
868D	Huge Strings bitmasks, brute force, dp, implementation, strings	2200	x896
865G	Flowers and Chocolate combinatorics, math, matrices	3300	x134
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	x120
865D	Buy Low Sell High constructive algorithms, data structures, greedy	2400	x5062
865C	Gotta Go Fast binary search, dp	2400	x817
865B	Ordering Pizza binary search, sortings, ternary search	1900	x1712
864F	Cities Excursions dfs and similar, graphs, trees	2700	x582
864E	Fire dp, sortings	2000	x4183
863G	Graphic Settings	3200	x54
863F	Almost Permutation flows	2200	x1210
863E	Turn Off The TV data structures, sortings	2000	x3008
863D	Yet Another Array Queries Problem data structures, implementation	1800	x3182
863C	1-2-3 graphs, implementation	1800	x2460
862F	Mahmoud and Ehab and the final stage data structures, strings	2900	x199
862E	Mahmoud and Ehab and the function binary search, data structures, sortings	2100	x1590
862D	Mahmoud and Ehab and the binary string binary search, divide and conquer, interactive	2000	x1709
862C	Mahmoud and Ehab and the xor constructive algorithms	1900	x4015
860E	Arkady and a Nobody-men data structures, dfs and similar, trees	2700	x427
859G	Circle of Numbers math	3000	x154
859F	Ordering T-Shirts greedy	2800	x180
859E	Desk Disorder combinatorics, dfs and similar, dsu, graphs, trees	2100	x1841
859D	Third Month Insanity dp, probabilities, trees	2100	x1040
858F	Wizard's Tour constructive algorithms, dfs and similar, graphs	2300	x1519
858E	Tests Renumeration greedy, implementation	2200	x500
856F	To Play or not to Play greedy	3000	x104
856E	Satellites	3100	x68
856D	Masha and Cactus dp, trees	2400	x378
856C	Eleventh Birthday combinatorics, dp, math	2400	x565
856B	Similar Words dp, hashing, strings, trees	2300	x482
855G	Harry Vs Voldemort dfs and similar, dp, graphs, trees	3300	x205
855F	Nagini binary search, data structures	3100	x431
855E	Salazar Slytherin's Locket bitmasks, dp	2200	x1689
855D	Rowena Ravenclaw's Diadem trees	2500	x479