Problemset - Codeforces

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Codeforces Round #647 (Div. 1) - Thanks, Algo Muse!
40:48:31
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Before contest
Codeforces Round #647 (Div. 2) - Thanks, Algo Muse!
40:48:31
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flows

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Problems

#	Name
1178H	Stock Exchange binary search, flows, graphs	3500	x47
1023G	Pisces data structures, flows, trees	3400	x33
793G	Oleg and chess data structures, divide and conquer, flows, graph matchings	3400	x113
786E	ALT data structures, flows, graphs, trees	3200	x206
611H	New Year and Forgotten Tree constructive algorithms, flows, graphs	3200	x249
925F	Parametric Circulation binary search, flows	3100	x51
1250K	Projectors flows, graphs	3100	x65
1307G	Cow and Exercise flows, graphs, shortest paths	3100	x123
704D	Captain America flows, greedy	3100	x309
457E	Flow Optimality constructive algorithms, flows, math	3000	x36
843E	Maximum Flow flows, graphs	3000	x81
212A	Privatization flows, graphs	3000	x93
223E	Planar Graph flows, geometry, graphs	3000	x99
739E	Gosha is hunting brute force, data structures, dp, flows, math, probabilities, sortings	3000	x703
126E	Pills brute force, flows	2900	x51
802O	April Fools' Problem (hard) binary search, data structures, flows	2900	x95
848D	Shake It! combinatorics, dp, flows, graphs	2900	x128
736E	Chess Championship constructive algorithms, flows, greedy, math	2900	x134
1288F	Red-Blue Graph constructive algorithms, flows	2900	x165
434D	Nanami's Power Plant flows	2900	x227
343E	Pumping Stations brute force, dfs and similar, divide and conquer, flows, graphs, greedy, trees	2900	x293
103E	Buying Sets flows, graph matchings	2900	x321
708D	Incorrect Flow flows	2900	x322
724E	Goods transportation dp, flows, greedy	2900	x638
513F2	Scaygerboss flows	2800	x192
280D	k-Maximum Subsequence Sum data structures, flows, graphs, implementation	2800	x488
1184B3	The Doctor Meets Vader (Hard) flows, shortest paths	2700	x123
62E	World Evil dp, flows	2700	x134
513F1	Scaygerboss flows	2700	x187
1054F	Electric Scheme flows, graph matchings	2700	x191
903G	Yet Another Maxflow Problem data structures, flows, graphs	2700	x240
1264E	Beautiful League constructive algorithms, flows, graph matchings	2700	x245
132E	Bits of merry old England flows, graphs	2700	x316
1146G	Zoning Restrictions dp, flows, graphs	2700	x362
818G	Four Melodies flows, graphs	2600	x212
802C	Heidi and Library (hard) flows	2600	x223
1061E	Politics flows, graphs	2600	x269
1107F	Vasya and Endless Credits dp, flows, graph matchings, graphs, sortings	2600	x360
813D	Two Melodies dp, flows	2600	x506
1045A	Last chance data structures, flows, graph matchings, graphs, trees	2500	x169
1187G	Gang Up flows, graphs	2500	x245
976F	Minimal k-covering flows, graphs	2500	x296
628F	Bear and Fair Set flows	2500	x362
884F	Anti-Palindromize flows, graphs, greedy	2500	x446
1354F	Summoning Minions constructive algorithms, dp, flows, graph matchings, greedy, sortings	2500	x476
1198E	Rectangle Painting 2 flows, graph matchings, graphs	2500	x541
720B	Cactusophobia dfs and similar, flows	2400	x200
802N	April Fools' Problem (medium) binary search, flows, graphs	2400	x266
1070I	Privatization of Roads in Berland flows, graphs	2400	x318
1009G	Allowed Letters bitmasks, flows, graph matchings, graphs, greedy	2400	x387
847J	Students Initiation binary search, flows	2400	x418
717G	Underfail flows	2400	x432
808F	Card Game binary search, flows, graphs	2400	x447
1263F	Economic Difficulties data structures, dfs and similar, dp, flows, graphs, trees	2400	x509
164C	Machine Programming flows, graphs	2400	x581
277E	Binary Tree on Plane flows, trees	2400	x655
1082G	Petya and Graph flows, graphs	2400	x767
1139E	Maximize Mex flows, graph matchings, graphs	2400	x812
491C	Deciphering flows, graph matchings	2300	x230
1090E	Horseback Riding flows, graphs	2300	x303
78E	Evacuation flows, graphs, shortest paths	2300	x329
1252L	Road Construction flows, graphs	2300	x353
311E	Biologist flows	2300	x380
316C2	Tidying Up flows, graph matchings	2300	x441
362E	Petya and Pipes flows, graphs, shortest paths	2300	x479
877F	Ann and Books data structures, flows, hashing	2300	x577
510E	Fox And Dinner flows	2300	x1431
1184B2	The Doctor Meets Vader (Medium) flows, graph matchings, graphs, shortest paths, sortings	2200	x401
316C1	Tidying Up flows	2200	x434
863F	Almost Permutation flows	2200	x563
723E	One-Way Reform constructive algorithms, dfs and similar, flows, graphs, greedy	2200	x1236
653D	Delivery Bears binary search, flows, graphs	2200	x1456
1034B	Little C Loves 3 II brute force, constructive algorithms, flows, graph matchings	2200	x1565
852D	Exploration plan binary search, flows, graph matchings, shortest paths	2100	x522
269C	Flawed Flow constructive algorithms, flows, graphs, greedy	2100	x1266
498C	Array and Operations flows, graph matchings, number theory	2100	x1933
546E	Soldier and Traveling flows, graphs, math	2100	x2188
730I	Olympiad in Programming and Sports dp, flows, graphs, greedy	2000	x957
237E	Build String flows, graphs	2000	x1051
899E	Segments Removal data structures, dsu, flows, implementation, two pointers	2000	x1422
321B	Ciel and Duel dp, flows, greedy	1900	x1900
965D	Single-use Stones binary search, flows, greedy, two pointers	1900	x1988
1214D	Treasure Island dfs and similar, dp, flows, hashing	1900	x3416
727D	T-shirts Distribution constructive algorithms, flows, greedy	1800	x1304
1016D	Vasya And The Matrix constructive algorithms, flows, math	1800	x3201
1119B	Alyona and a Narrow Fridge binary search, flows, greedy, sortings	1300	x6392