Problemset - Codeforces

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Codeforces Round (Div. 1 + Div. 2)
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Problems

#	Name
1307D	Cow and Fields binary search, data structures, dfs and similar, graphs, greedy, shortest paths, sortings	1900	x6035
1305A	Kuroni and the Gifts brute force, constructive algorithms, greedy, sortings	800	x13793
1304C	Air Conditioner dp, greedy, implementation, sortings, two pointers	1500	x15805
1300B	Assigning to Classes greedy, implementation, sortings	1000	x22317
1297F	Movie Fan *special problem, data structures, greedy, implementation, sortings		x113
1297D	Bonus Distribution *special problem, binary search, greedy, sortings		x259
1297B	Cartoons *special problem, implementation, sortings		x409
1296F	Berland Beauty constructive algorithms, dfs and similar, greedy, sortings, trees	2100	x2677
1296E1	String Coloring (easy version) constructive algorithms, dp, graphs, greedy, sortings	1800	x7128
1296D	Fight with Monsters greedy, sortings	1500	x13896
1294B	Collecting Packages implementation, sortings	1200	x21245
1286A	Garland dp, greedy, sortings	1800	x8413
1285E	Delete a Segment brute force, constructive algorithms, data structures, dp, graphs, sortings, trees, two pointers	2300	x1665
1284E	New Year and Castle Construction combinatorics, geometry, math, sortings	2500	x1095
1284D	New Year and Conference binary search, data structures, hashing, sortings	2100	x2916
1284B	New Year and Ascent Sequence binary search, combinatorics, data structures, dp, implementation, sortings	1400	x10598
1282C	Petya and Exam greedy, sortings, two pointers	1800	x4109
1282B2	K for the Price of One (Hard Version) dp, greedy, sortings	1600	x9833
1282B1	K for the Price of One (Easy Version) dp, greedy, sortings	1400	x11180
1272A	Three Friends brute force, greedy, math, sortings	900	x20068
1271D	Portals data structures, dp, greedy, implementation, sortings	2100	x2759
1270D	Strange Device constructive algorithms, interactive, math, sortings	1900	x4400
1269B	Modulo Equality brute force, sortings	1500	x8901
1267I	Intriguing Selection brute force, constructive algorithms, implementation, interactive, sortings	2600	x731
1260D	A Game with Traps binary search, dp, greedy, sortings	1900	x3640
1257D	Yet Another Monster Killing Problem binary search, data structures, dp, greedy, sortings, two pointers	1700	x7224
1257C	Dominated Subarray greedy, implementation, sortings, strings, two pointers	1200	x15612
1256F	Equalizing Two Strings constructive algorithms, sortings, strings	2000	x3074
1256E	Yet Another Division Into Teams dp, greedy, sortings	2000	x3883
1253E	Antenna Coverage data structures, dp, greedy, sortings	2200	x2626
1253D	Harmonious Graph constructive algorithms, dfs and similar, dsu, graphs, greedy, sortings	1700	x8853
1253C	Sweets Eating dp, greedy, math, sortings	1500	x13826
1251D	Salary Changing binary search, greedy, sortings	1900	x5635
1249D2	Too Many Segments (hard version) data structures, greedy, sortings	1800	x4898
1248B	Grow The Tree greedy, math, sortings	900	x16488
1244E	Minimizing Difference binary search, constructive algorithms, greedy, sortings, ternary search, two pointers	2000	x4847
1242B	0-1 MST dfs and similar, dsu, graphs, sortings	1900	x6987
1238G	Adilbek and the Watering System data structures, greedy, sortings	2700	x398
1238B	Kill `Em All greedy, sortings	1300	x13108
1237C2	Balanced Removals (Harder) binary search, constructive algorithms, divide and conquer, greedy, implementation, sortings	1900	x4135
1237B	Balanced Tunnel data structures, sortings, two pointers	1300	x14793
1223E	Paint the Tree dp, sortings, trees	2100	x2522
1221F	Choose a Square binary search, data structures, sortings	2400	x975
1220A	Cards implementation, sortings, strings	800	x28905
1216B	Shooting greedy, implementation, sortings	900	x18102
1214F	Employment greedy, sortings	2700	x423
1214E	Petya and Construction Set constructive algorithms, graphs, math, sortings, trees	2000	x2514
1213G	Path Queries divide and conquer, dsu, graphs, sortings, trees	1800	x6665
1213D2	Equalizing by Division (hard version) brute force, math, sortings	1600	x11090
1211C	Ice Cream *special problem, greedy, sortings	1700	x478
1209E2	Rotate Columns (hard version) bitmasks, dp, greedy, sortings	2500	x1854
1209E1	Rotate Columns (easy version) bitmasks, brute force, dp, greedy, sortings	2000	x2729
1206A	Choose Two Numbers math, sortings	800	x23586
1203E	Boxers greedy, sortings	1500	x13524
1201C	Maximum Median binary search, greedy, math, sortings	1400	x21735
1198C	Matching vs Independent Set constructive algorithms, graphs, greedy, sortings	2000	x3409
1198B	Welfare State binary search, brute force, data structures, sortings	1600	x9325
1198A	MP3 sortings, two pointers	1600	x8903
1197E	Culture Code binary search, combinatorics, data structures, dp, shortest paths, sortings	2300	x1544
1197C	Array Splitting greedy, sortings	1400	x13683
1197A	DIY Wooden Ladder greedy, math, sortings	900	x13393
1196F	K-th Path brute force, constructive algorithms, shortest paths, sortings	2200	x2448
1195F	Geometers Anonymous Club data structures, geometry, math, sortings	2500	x695
1194E	Count The Rectangles bitmasks, brute force, data structures, geometry, sortings	2200	x1887
1190D	Tokitsukaze and Strange Rectangle data structures, divide and conquer, sortings, two pointers	2000	x2219
1189B	Number Circle greedy, math, sortings	1100	x13801
1187D	Subarray Sorting data structures, sortings	2400	x2459
1185C1	Exam in BerSU (easy version) greedy, sortings	1200	x11068
1184B2	The Doctor Meets Vader (Medium) flows, graph matchings, graphs, shortest paths, sortings	2200	x567
1184B1	The Doctor Meets Vader (Easy) binary search, sortings	1400	x5127
1183G	Candy Box (hard version) greedy, implementation, sortings	2000	x2295
1183F	Topforces Strikes Back brute force, math, sortings	2100	x1779
1183D	Candy Box (easy version) greedy, sortings	1400	x13393
1181E2	A Story of One Country (Hard) brute force, greedy, sortings	3000	x264
1181E1	A Story of One Country (Easy) brute force, divide and conquer, sortings	2500	x453
1181D	Irrigation binary search, data structures, implementation, sortings, trees, two pointers	2200	x2044
1176F	Destroy it! dp, implementation, sortings	2100	x1749
1176D	Recover it! dfs and similar, graphs, greedy, number theory, sortings	1800	x5138
1175D	Array Splitting greedy, sortings	1900	x5785
1174B	Ehab Is an Odd Person sortings	1200	x15145
1174A	Ehab Fails to Be Thanos constructive algorithms, greedy, sortings	1000	x17228
1167F	Scalar Queries combinatorics, data structures, math, sortings	2300	x1576
1166C	A Tale of Two Lands binary search, sortings, two pointers	1500	x9185
1165E	Two Arrays and Sum of Functions greedy, math, sortings	1600	x7982
1165B	Polycarp Training data structures, greedy, sortings	1000	x20377
1158C	Permutation recovery constructive algorithms, data structures, dfs and similar, graphs, greedy, math, sortings	2100	x1700
1158A	The Party and Sweets binary search, constructive algorithms, greedy, implementation, math, sortings, two pointers	1500	x6880
1156C	Match Points binary search, greedy, sortings, ternary search, two pointers	2000	x5907
1156B	Ugly Pairs dfs and similar, greedy, implementation, sortings, strings	1800	x6138
1155A	Reverse a Substring implementation, sortings, strings	1000	x13636
1154F	Shovels Shop dp, greedy, sortings	2100	x2561
1154E	Two Teams data structures, implementation, sortings	1800	x6044
1151D	Stas and the Queue at the Buffet greedy, math, sortings	1600	x8221
1148E	Earth Wind and Fire constructive algorithms, greedy, math, sortings, two pointers	2300	x1655
1148D	Dirty Deeds Done Dirt Cheap greedy, sortings	1800	x4869
1148C	Crazy Diamond constructive algorithms, sortings	1700	x5149
1144C	Two Shuffled Sequences constructive algorithms, sortings	1000	x14983
1144B	Parity Alternated Deletions greedy, implementation, sortings	900	x16796
1140C	Playlist brute force, data structures, sortings	1600	x9281
1137A	Skyscrapers implementation, sortings	1600	x4430