Problemset - Codeforces

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

#	Name
837F	Prefix Sums binary search, brute force, combinatorics, math, matrices	2400	x742
837E	Vasya's Function binary search, implementation, math	2100	x1513
835E	The penguin's game binary search, constructive algorithms, interactive	2400	x1126
833B	The Bakery binary search, data structures, divide and conquer, dp, two pointers	2200	x4532
832C	Strange Radiation binary search, implementation, math	2500	x427
830A	Office Keys binary search, brute force, dp, greedy, sortings	1800	x6612
825D	Suitable Replacement binary search, greedy, implementation	1500	x3183
822E	Liar binary search, dp, hashing, string suffix structures	2400	x766
822C	Hacker, pack your bags! binary search, greedy, implementation, sortings	1600	x4534
818F	Level Generation binary search, math, ternary search	2100	x1293
818E	Card Game Again binary search, data structures, number theory, two pointers	1900	x2006
817F	MEX Queries binary search, data structures, trees	2300	x2409
817C	Really Big Numbers binary search, brute force, dp, math	1600	x7065
816B	Karen and Coffee binary search, data structures, implementation	1400	x16531
815E	Karen and Neighborhood binary search, constructive algorithms, implementation	2900	x218
815D	Karen and Cards binary search, combinatorics, data structures, geometry	2800	x596
813E	Army Creation binary search, data structures	2200	x2282
812C	Sagheer and Nubian Market binary search, sortings	1500	x13183
809B	Glad to see you! binary search, interactive	2200	x1454
808F	Card Game binary search, flows, graphs	2400	x1098
808E	Selling Souvenirs binary search, dp, greedy, ternary search	2300	x1753
808D	Array Division binary search, data structures, implementation	1900	x6768
804D	Expected diameter of a tree binary search, brute force, dfs and similar, dp, sortings, trees	2500	x1257
803D	Magazine Ad binary search, greedy	1900	x3093
802O	April Fools' Problem (hard) binary search, data structures, flows	2900	x828
802N	April Fools' Problem (medium) binary search, flows, graphs	2400	x1101
799G	Cut the pie binary search, data structures, geometry	3500	x108
799C	Fountains binary search, data structures, implementation	1800	x3656
796E	Exam Cheating binary search, dp	2400	x627
785C	Anton and Fairy Tale binary search, math	1600	x7208
780H	Intranet of Buses binary search, geometry, implementation, two pointers	3100	x116
780B	The Meeting Place Cannot Be Changed binary search	1600	x9003
778A	String Game binary search, greedy, strings	1700	x11139
777D	Cloud of Hashtags binary search, greedy, implementation, strings	1800	x4920
777C	Alyona and Spreadsheet binary search, data structures, dp, greedy, implementation, two pointers	1600	x6283
776C	Molly's Chemicals binary search, brute force, data structures, implementation, math	1800	x5749
774L	Bars *special problem, binary search	2000	x323
774F	Pens And Days Of Week *special problem, binary search, number theory	2700	x104
774B	Significant Cups *special problem, binary search, data structures, two pointers	2100	x216
773C	Prairie Partition binary search, constructive algorithms, greedy, math	2200	x937
773A	Success Rate binary search, math	1700	x4375
772E	Verifying Kingdom binary search, divide and conquer, interactive, trees	3200	x122
772A	Voltage Keepsake binary search, math	1800	x4079
768G	The Winds of Winter binary search, data structures	3300	x353
767D	Cartons of milk binary search, data structures, greedy, sortings, two pointers	2100	x2195
762E	Radio stations binary search, data structures	2200	x1289
762C	Two strings binary search, hashing, strings, two pointers	2100	x2371
761D	Dasha and Very Difficult Problem binary search, brute force, constructive algorithms, greedy, sortings	1700	x3944
760B	Frodo and pillows binary search, greedy	1500	x6212
758C	Unfair Poll binary search, constructive algorithms, implementation, math	1700	x3822
756B	Travel Card binary search, dp	1600	x3319
755B	PolandBall and Game binary search, data structures, games, greedy, sortings, strings	1100	x10951
754D	Fedor and coupons binary search, data structures, greedy, sortings	2100	x2138
750C	New Year and Rating binary search, greedy, math	1600	x6494
750A	New Year and Hurry binary search, brute force, implementation, math	800	x71323
749D	Leaving Auction binary search, data structures	2000	x2527
748E	Santa Claus and Tangerines binary search, data structures, greedy, two pointers	2100	x1442
743E	Vladik and cards binary search, bitmasks, brute force, dp	2200	x1476
743B	Chloe and the sequence binary search, bitmasks, constructive algorithms, implementation	1200	x14268
739B	Alyona and a tree binary search, data structures, dfs and similar, graphs, trees	1900	x4447
734C	Anton and Making Potions binary search, dp, greedy, two pointers	1600	x5292
732D	Exams binary search, greedy, sortings	1700	x5407
732C	Sanatorium binary search, constructive algorithms, greedy, implementation, math	1200	x9477
730C	Bulmart binary search, dfs and similar	2100	x1007
729C	Road to Cinema binary search, greedy, sortings	1700	x3850
727F	Polycarp's problems binary search, dp, greedy	2300	x764
722D	Generating Sets binary search, data structures, dfs and similar, greedy, strings, trees	1900	x3090
721E	Road to Home binary search, dp	2700	x301
715B	Complete The Graph binary search, constructive algorithms, graphs, shortest paths	2300	x2663
713E	Sonya Partymaker binary search, dp	3300	x342
713D	Animals and Puzzle binary search, data structures	2700	x1080
713B	Searching Rectangles binary search, constructive algorithms, interactive	2200	x1420
706D	Vasiliy's Multiset binary search, bitmasks, data structures, trees	1800	x9331
706B	Interesting drink binary search, dp, implementation	1100	x58726
702C	Cellular Network binary search, implementation, two pointers	1500	x13254
701C	They Are Everywhere binary search, strings, two pointers	1500	x13863
700A	As Fast As Possible binary search, math	1900	x3145
696F	...Dary! binary search, geometry, two pointers	3300	x119
689D	Friends and Subsequences binary search, data structures	2100	x3073
689C	Mike and Chocolate Thieves binary search, combinatorics, math	1700	x4914
685C	Optimal Point binary search, math	2900	x576
679B	Bear and Tower of Cubes binary search, dp, greedy	2200	x2113
677E	Vanya and Balloons binary search, brute force, dp, implementation	2300	x583
676C	Vasya and String binary search, dp, strings, two pointers	1500	x18199
671B	Robin Hood binary search, greedy	2000	x2967
670D2	Magic Powder - 2 binary search, implementation	1500	x13174
670D1	Magic Powder - 1 binary search, brute force, implementation	1400	x16162
660F	Bear and Bowling 4 binary search, data structures, divide and conquer, geometry, ternary search	2500	x1524
660C	Hard Process binary search, dp, two pointers	1600	x9091
653D	Delivery Bears binary search, flows, graphs	2200	x2347
650D	Zip-line binary search, data structures, dp, hashing	2600	x1198
650B	Image Preview binary search, brute force, dp, two pointers	1900	x3309
649E	Автобус binary search, data structures, greedy, sortings	2100	x103
645G	Armistice Area Apportionment binary search, geometry	3200	x111
645D	Robot Rapping Results Report binary search, dp, graphs	1800	x2769
645C	Enduring Exodus binary search, two pointers	1600	x3163
644C	Hostname Aliases *special problem, binary search, data structures, implementation, sortings, strings	2100	x909
639E	Bear and Paradox binary search, greedy, math, sortings	2800	x568
637B	Chat Order *special problem, binary search, constructive algorithms, data structures, sortings	1200	x15091
633E	Startup Funding binary search, constructive algorithms, data structures, probabilities, two pointers	2400	x571