Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
41:17:35
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Codeforces Round 941 (Div. 2)
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brute force

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Problems

#	Name
940A	Points on the line brute force, greedy, sortings	1200	x8131
997A	Convert to Ones brute force, greedy, implementation, math	1500	x8152
475B	Strongly Connected City brute force, dfs and similar, graphs, implementation	1400	x8219
1732D1	Balance (Easy version) brute force, data structures, implementation, number theory	1500	x8223
1770C	Koxia and Number Theory brute force, chinese remainder theorem, math, number theory	1700	x8245
798B	Mike and strings brute force, dp, strings	1300	x8258
548B	Mike and Fun brute force, dp, greedy, implementation	1400	x8263
922B	Magic Forest brute force	1300	x8279
1130C	Connect brute force, dfs and similar, dsu	1400	x8301
1290A	Mind Control brute force, data structures, implementation	1600	x8303
978D	Almost Arithmetic Progression brute force, implementation, math	1500	x8343
855B	Marvolo Gaunt's Ring brute force, data structures, dp	1500	x8344
602A	Two Bases brute force, implementation	1100	x8346
749B	Parallelogram is Back brute force, constructive algorithms, geometry	1200	x8359
46A	Ball Game brute force, implementation	800	x8371
416B	Art Union brute force, dp, implementation	1300	x8460
195A	Let's Watch Football binary search, brute force, math	1000	x8470
916A	Jamie and Alarm Snooze brute force, implementation, math	900	x8471
1826D	Running Miles brute force, dp, greedy	1700	x8477
1023A	Single Wildcard Pattern Matching brute force, implementation, strings	1200	x8503
868A	Bark to Unlock brute force, implementation, strings	900	x8508
1572A	Book binary search, brute force, data structures, dp, graphs, implementation, sortings	1800	x8509
710B	Optimal Point on a Line brute force, sortings	1400	x8515
1500A	Going Home brute force, hashing, implementation, math	1800	x8527
1121B	Mike and Children brute force, implementation	1200	x8564
1714D	Color with Occurrences brute force, data structures, dp, greedy, strings	1600	x8567
1523C	Compression and Expansion brute force, data structures, greedy, implementation, trees	1600	x8574
1786B	Cake Assembly Line brute force, sortings	1300	x8585
1311D	Three Integers brute force, math	2000	x8628
1225C	p-binary bitmasks, brute force, math	1600	x8638
344B	Simple Molecules brute force, graphs, math	1200	x8644
409H	A + B Strikes Back *special problem, brute force, constructive algorithms, dsu, implementation	1500	x8653
289A	Polo the Penguin and Segments brute force, implementation	1100	x8669
1907E	Good Triples brute force, combinatorics, number theory	1600	x8685
1214A	Optimal Currency Exchange brute force, math	1400	x8693
1375D	Replace by MEX brute force, constructive algorithms, sortings	1900	x8705
938B	Run For Your Prize brute force, greedy	1100	x8732
681B	Economy Game brute force	1300	x8747
584D	Dima and Lisa brute force, math, number theory	1800	x8798
740A	Alyona and copybooks brute force, implementation	1300	x8806
919C	Seat Arrangements brute force, implementation	1300	x8810
1921E	Eat the Chip brute force, games, greedy, math	1600	x8813
300C	Beautiful Numbers brute force, combinatorics	1800	x8840
218A	Mountain Scenery brute force, constructive algorithms, implementation	1100	x8864
864B	Polycarp and Letters brute force, implementation, strings	1000	x8868
1461D	Divide and Summarize binary search, brute force, data structures, divide and conquer, implementation, sortings	1600	x8883
816A	Karen and Morning brute force, implementation	1000	x8883
1269B	Modulo Equality brute force, sortings	1500	x8886
1731C	Even Subarrays bitmasks, brute force, hashing, math, number theory	1700	x8888
490C	Hacking Cypher brute force, math, number theory, strings	1700	x8897
259A	Little Elephant and Chess brute force, strings	1000	x8918
704A	Thor brute force, data structures, implementation	1600	x8928
982A	Row brute force, constructive algorithms	1200	x8934
981A	Antipalindrome brute force, implementation, strings	900	x9021
742B	Arpa’s obvious problem and Mehrdad’s terrible solution brute force, math, number theory	1500	x9023
1482C	Basic Diplomacy brute force, constructive algorithms, greedy, implementation	1600	x9079
463A	Caisa and Sugar brute force, implementation	1200	x9093
631A	Interview brute force, implementation	900	x9125
1469D	Ceil Divisions brute force, constructive algorithms, math, number theory	1700	x9127
1051C	Vasya and Multisets brute force, dp, greedy, implementation, math	1500	x9127
909A	Generate Login brute force, greedy, sortings	1000	x9129
347B	Fixed Points brute force, implementation, math	1100	x9130
1498C	Planar Reflections brute force, data structures, dp	1600	x9152
1198B	Welfare State binary search, brute force, data structures, sortings	1600	x9154
1287B	Hyperset brute force, data structures, implementation	1500	x9167
246D	Colorful Graph brute force, dfs and similar, graphs	1600	x9179
1016B	Segment Occurrences brute force, implementation	1300	x9222
1140C	Playlist brute force, data structures, sortings	1600	x9244
898B	Proper Nutrition brute force, implementation, number theory	1100	x9247
1681D	Required Length brute force, dfs and similar, dp, hashing, shortest paths	1700	x9249
1917C	Watering an Array brute force, greedy, implementation, math	1600	x9304
822B	Crossword solving brute force, implementation, strings	1000	x9314
869A	The Artful Expedient brute force, implementation	1100	x9350
385C	Bear and Prime Numbers binary search, brute force, data structures, dp, implementation, math, number theory	1700	x9360
1191B	Tokitsukaze and Mahjong brute force, implementation	1200	x9409
1814B	Long Legs brute force, math	1700	x9475
1321C	Remove Adjacent brute force, constructive algorithms, greedy, strings	1600	x9485
875A	Classroom Watch brute force, math	1200	x9487
1765E	Exchange brute force, math	1000	x9489
1485C	Floor and Mod binary search, brute force, math, number theory	1700	x9505
385B	Bear and Strings brute force, greedy, implementation, math, strings	1200	x9506
891A	Pride brute force, dp, greedy, math, number theory	1500	x9580
1659C	Line Empire binary search, brute force, dp, greedy, implementation, math	1500	x9611
554B	Ohana Cleans Up brute force, greedy, strings	1200	x9662
1742G	Orray bitmasks, brute force, greedy, math, sortings	1500	x9754
611B	New Year and Old Property bitmasks, brute force, implementation	1300	x9757
1849C	Binary String Copying binary search, brute force, data structures, hashing, strings	1600	x9767
1400D	Zigzags brute force, combinatorics, data structures, math, two pointers	1900	x9776
1105B	Zuhair and Strings brute force, implementation, strings	1100	x9785
1011B	Planning The Expedition binary search, brute force, implementation	1200	x9795
548A	Mike and Fax brute force, implementation, strings	1100	x9830
1759E	The Humanoid brute force, dp, sortings	1500	x9880
1143B	Nirvana brute force, math, number theory	1200	x9905
1550C	Manhattan Subarrays brute force, geometry, greedy, implementation	1700	x9924
1687A	The Enchanted Forest brute force, greedy	1600	x9936
870A	Search for Pretty Integers brute force, implementation	900	x9937
877B	Nikita and string brute force, dp	1500	x9941
1703G	Good Key, Bad Key bitmasks, brute force, dp, greedy, math	1600	x9949
842A	Kirill And The Game brute force, two pointers	1200	x9954
863A	Quasi-palindrome brute force, implementation	900	x9955