Problemset - Codeforces

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Codeforces Round 959 sponsored by NEAR (Div. 1 + Div. 2)
00:04:55

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Problems

#	Name
747F	Igor and Interesting Numbers brute force, combinatorics, dp, math	2500	x416
746G	New Roads constructive algorithms, graphs, trees	2100	x1496
746F	Music in Car data structures, greedy, two pointers	2200	x731
744C	Hongcow Buys a Deck of Cards bitmasks, brute force, dp	2400	x1043
743E	Vladik and cards binary search, bitmasks, brute force, dp	2200	x1485
739C	Alyona and towers data structures	2500	x1463
735E	Ostap and Tree dp, trees	2500	x853
734F	Anton and School bitmasks, constructive algorithms, implementation, math	2500	x1286
734E	Anton and Tree dfs and similar, dp, trees	2100	x4043
733F	Drivers Dissatisfaction data structures, dsu, graphs, trees	2200	x1096
733E	Sleep in Class constructive algorithms, data structures, math, two pointers	2400	x882
732F	Tourist Reform dfs and similar, graphs	2300	x2438
732E	Sockets greedy, sortings	2100	x1598
731E	Funny Game dp, games	2200	x1598
731D	80-th Level Archeology brute force, data structures, greedy, sortings	2200	x1160
730I	Olympiad in Programming and Sports dp, flows, graphs, greedy	2000	x1983
730E	Award Ceremony greedy, implementation	2200	x716
730D	Running Over The Bridges greedy, implementation, math	2200	x867
730C	Bulmart binary search, dfs and similar	2100	x1205
729F	Financiers Game dp	2500	x939
727F	Polycarp's problems binary search, dp, greedy	2300	x775
727E	Games on a CD data structures, hashing, string suffix structures, strings	2300	x1160
723F	st-Spanning Tree dsu, graphs, greedy, implementation	2300	x1456
723E	One-Way Reform constructive algorithms, dfs and similar, flows, graphs, greedy	2200	x1912
721D	Maxim and Array constructive algorithms, data structures, greedy, math	2000	x2330
720B	Cactusophobia dfs and similar, flows	2400	x398
720A	Closing ceremony greedy	2000	x847
718C	Sasha and Array data structures, math, matrices	2300	x3511
717H	Pokermon League challenge math, probabilities	2400	x420
717G	Underfail flows	2400	x632
715B	Complete The Graph binary search, constructive algorithms, graphs, shortest paths	2300	x2697
713C	Sonya and Problem Wihtout a Legend dp, sortings	2300	x5091
713B	Searching Rectangles binary search, constructive algorithms, interactive	2200	x1421
712E	Memory and Casinos data structures, math, probabilities	2500	x609
712D	Memory and Scores combinatorics, dp, math	2200	x1805
711E	ZS and The Birthday Paradox math, number theory, probabilities	2300	x1253
710F	String Set Queries brute force, data structures, hashing, interactive, string suffix structures, strings	2400	x1738
710E	Generate a String dfs and similar, dp	2000	x5071
710D	Two Arithmetic Progressions math, number theory	2500	x1210
708C	Centroids data structures, dfs and similar, dp, graphs, greedy, trees	2300	x3108
707E	Garlands data structures	2400	x1065
707D	Persistent Bookcase bitmasks, data structures, dfs and similar, implementation	2200	x2631
706E	Working routine data structures, implementation	2500	x1126
704B	Ant Man dp, graphs, greedy	2500	x1617
703D	Mishka and Interesting sum data structures	2100	x3499
703C	Chris and Road geometry, implementation	2100	x1832
702E	Analysis of Pathes in Functional Graph data structures, graphs	2100	x2523
698C	LRU bitmasks, dp, math, probabilities	2400	x1286
696D	Legen... data structures, dp, matrices, strings	2500	x1248
696C	PLEASE combinatorics, dp, implementation, math, matrices	2000	x2070
691F	Couple Cover brute force, dp, number theory	2200	x1283
690D3	The Wall (hard) dp	2100	x497
690C3	Brain Network (hard) trees	2200	x889
690A3	Collective Mindsets (hard)	2400	x529
690A2	Collective Mindsets (medium)	2300	x690
689E	Mike and Geometry Problem combinatorics, data structures, dp, geometry, implementation	2000	x1851
689D	Friends and Subsequences binary search, data structures	2100	x3327
687D	Dividing Kingdom II brute force, data structures, dsu, graphs, sortings	2500	x861
683I	Loader *special problem, graphs	2500	x38
681E	Runaway to a Shadow geometry, sortings	2500	x457
681D	Gifts by the List constructive algorithms, dfs and similar, graphs, trees	2000	x1733
679C	Bear and Square Grid dfs and similar, dsu, implementation	2400	x1145
679B	Bear and Tower of Cubes binary search, dp, greedy	2200	x2121
678F	Lena and Queries data structures, divide and conquer, geometry	2500	x858
678E	Another Sith Tournament bitmasks, dp, math, probabilities	2200	x2130
677E	Vanya and Balloons binary search, brute force, dp, implementation	2300	x594
677D	Vanya and Treasure data structures, dp, graphs, shortest paths	2300	x1548
676E	The Last Fight Between Human and AI math	2400	x885
676D	Theseus and labyrinth graphs, implementation, shortest paths	2000	x1855
675E	Trains and Statistic data structures, dp, greedy	2300	x2652
675C	Money Transfers constructive algorithms, data structures, greedy, sortings	2100	x3614
671B	Robin Hood binary search, greedy	2000	x2984
670F	Restore a Number brute force, constructive algorithms, strings	2300	x848
666C	Codeword combinatorics, strings	2500	x773
666B	World Tour graphs, shortest paths	2000	x2116
665F	Four Divisors data structures, dp, math, number theory, sortings, two pointers	2400	x593
665E	Beautiful Subarrays data structures, divide and conquer, strings, trees	2100	x2977
662D	International Olympiad constructive algorithms, greedy, implementation, math	2000	x1622
662B	Graph Coloring dfs and similar, graphs	2200	x1452
662A	Gambling Nim bitmasks, math, matrices, probabilities	2400	x451
661H	Rotate Matrix *special problem	2400	x68
661G	Hungarian Notation *special problem	2200	x55
661E	Divisibility Check *special problem	2000	x83
661D	Maximal Difference *special problem	2100	x129
661C	Array Sum *special problem	2000	x131
660F	Bear and Bowling 4 binary search, data structures, divide and conquer, geometry, ternary search	2500	x1578
660E	Different Subsets For All Tuples combinatorics, math	2300	x1320
659G	Fence Divercity combinatorics, dp, number theory	2300	x1020
659F	Polycarp and Hay dfs and similar, dsu, graphs, greedy, sortings	2000	x1762
656E	Out of Controls *special problem	2000	x721
656D	Rosetta Problem *special problem	2100	x947
656C	Without Text *special problem	2000	x684
653E	Bear and Forgotten Tree 2 dfs and similar, dsu, graphs, trees	2400	x1405
653D	Delivery Bears binary search, flows, graphs	2200	x2372
652E	Pursuit For Artifacts dfs and similar, dsu, graphs, trees	2300	x2024
650C	Table Compression dfs and similar, dp, dsu, graphs, greedy	2200	x1956
649E	Автобус binary search, data structures, greedy, sortings	2100	x107
648E	Собери число graphs, shortest paths	2300	x112
645F	Cowslip Collections combinatorics, math, number theory	2500	x769
645E	Intellectual Inquiry dp, greedy, strings	2200	x1229