Problemset - Codeforces

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CodeCraft-22 and Codeforces Round #795 (Div. 2)
6 days

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Difficulty: —

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Problems

#	Name
1178H	Stock Exchange binary search, flows, graphs	3500	x100
1023G	Pisces data structures, flows, trees	3400	x72
1630F	Making It Bipartite flows, graph matchings, graphs, number theory	3400	x191
793G	Oleg and chess data structures, divide and conquer, flows, graph matchings	3400	x211
1427G	One Billion Shades of Grey flows, graphs	3300	x137
1416F	Showing Off flows, graph matchings, greedy, implementation	3300	x161
1368H1	Breadboard Capacity (easy version) dp, flows, greedy	3300	x166
1408H	Rainbow Triples binary search, data structures, flows, greedy	3300	x176
1517G	Starry Night Camping constructive algorithms, flows, graphs	3300	x240
1666K	Kingdom Partition flows	3200	x61
1383F	Special Edges flows, graphs	3200	x154
1519F	Chests and Keys bitmasks, brute force, dfs and similar, dp, flows	3200	x185
786E	ALT data structures, flows, graphs, trees	3200	x380
611H	New Year and Forgotten Tree constructive algorithms, flows, graphs	3200	x411
1488I	Demonic Invasion *special problem, flows	3100	x22
925F	Parametric Circulation binary search, flows	3100	x72
1250K	Projectors flows, graphs	3100	x82
1307G	Cow and Exercise flows, graphs, shortest paths	3100	x280
704D	Captain America flows, greedy	3100	x466
457E	Flow Optimality constructive algorithms, flows, math	3000	x63
843E	Maximum Flow flows, graphs	3000	x114
223E	Planar Graph flows, geometry, graphs	3000	x125
212A	Privatization flows, graphs	3000	x132
1615H	Reindeer Games binary search, constructive algorithms, data structures, divide and conquer, flows, graphs, shortest paths	3000	x172
739E	Gosha is hunting brute force, data structures, dp, flows, math, probabilities, sortings	3000	x1352
126E	Pills brute force, flows	2900	x57
736E	Chess Championship constructive algorithms, flows, greedy, math	2900	x153
848D	Shake It! combinatorics, dp, flows, graphs	2900	x242
1288F	Red-Blue Graph constructive algorithms, flows	2900	x308
434D	Nanami's Power Plant flows	2900	x315
802O	April Fools' Problem (hard) binary search, data structures, flows	2900	x325
343E	Pumping Stations brute force, dfs and similar, divide and conquer, flows, graphs, greedy, trees	2900	x441
708D	Incorrect Flow flows	2900	x494
103E	Buying Sets flows, graph matchings	2900	x506
724E	Goods transportation dp, flows, greedy	2900	x889
513F2	Scaygerboss flows	2800	x219
1525F	Goblins And Gnomes brute force, dp, flows, graph matchings	2800	x223
1572D	Bridge Club flows, graph matchings, graphs, greedy	2800	x243
1684G	Euclid Guess constructive algorithms, flows, graph matchings, math, number theory	2800	x278
1592F2	Alice and Recoloring 2 constructive algorithms, flows, graph matchings, greedy	2800	x301
1404E	Bricks flows, graph matchings, graphs	2800	x685
280D	k-Maximum Subsequence Sum data structures, flows, graphs, implementation	2800	x695
1184B3	The Doctor Meets Vader (Hard) flows, shortest paths	2700	x142
62E	World Evil dp, flows	2700	x160
513F1	Scaygerboss flows	2700	x215
1054F	Electric Scheme flows, graph matchings	2700	x264
903G	Yet Another Maxflow Problem data structures, flows, graphs	2700	x360
132E	Bits of merry old England flows, graphs	2700	x366
1264E	Beautiful League constructive algorithms, flows, graph matchings	2700	x420
1146G	Zoning Restrictions dp, flows, graphs	2700	x564
1473F	Strange Set flows, math	2700	x673
802C	Heidi and Library (hard) flows	2600	x362
1061E	Politics flows, graphs	2600	x396
1430G	Yet Another DAG Problem bitmasks, dfs and similar, dp, flows, graphs, math	2600	x418
818G	Four Melodies flows, graphs	2600	x423
1510B	Button Lock flows, graph matchings, graphs	2600	x539
1107F	Vasya and Endless Credits dp, flows, graph matchings, graphs, sortings	2600	x567
813D	Two Melodies dp, flows	2600	x709
1045A	Last chance data structures, flows, graph matchings, graphs, trees	2500	x241
1187G	Gang Up flows, graphs	2500	x365
976F	Minimal k-covering flows, graphs	2500	x443
628F	Bear and Fair Set flows, graphs	2500	x542
884F	Anti-Palindromize flows, graphs, greedy	2500	x649
1198E	Rectangle Painting 2 flows, graph matchings, graphs	2500	x720
1354F	Summoning Minions constructive algorithms, dp, flows, graph matchings, greedy, sortings	2500	x823
720B	Cactusophobia dfs and similar, flows	2400	x295
1070I	Privatization of Roads in Berland flows, graph matchings, graphs	2400	x434
847J	Students Initiation binary search, flows, graphs	2400	x512
717G	Underfail flows	2400	x514
1009G	Allowed Letters bitmasks, flows, graph matchings, graphs, greedy	2400	x576
802N	April Fools' Problem (medium) binary search, flows, graphs	2400	x615
1263F	Economic Difficulties data structures, dfs and similar, dp, flows, graphs, trees	2400	x678
808F	Card Game binary search, flows, graphs	2400	x679
164C	Machine Programming flows, graphs	2400	x728
277E	Binary Tree on Plane flows, trees	2400	x873
1139E	Maximize Mex flows, graph matchings, graphs	2400	x1153
1455E	Four Points brute force, constructive algorithms, flows, geometry, greedy, implementation, math, ternary search	2400	x1233
1082G	Petya and Graph flows, graphs	2400	x1291
491C	Deciphering flows, graph matchings	2300	x310
78E	Evacuation flows, graphs, shortest paths	2300	x399
1090E	Horseback Riding flows, graphs	2300	x436
1252L	Road Construction flows, graphs	2300	x478
316C2	Tidying Up flows, graph matchings	2300	x496
362E	Petya and Pipes flows, graphs, shortest paths	2300	x627
311E	Biologist flows	2300	x716
877F	Ann and Books data structures, flows, hashing	2300	x989
510E	Fox And Dinner flows	2300	x1794
1184B2	The Doctor Meets Vader (Medium) flows, graph matchings, graphs, shortest paths, sortings	2200	x474
316C1	Tidying Up flows	2200	x475
863F	Almost Permutation flows	2200	x936
723E	One-Way Reform constructive algorithms, dfs and similar, flows, graphs, greedy	2200	x1564
653D	Delivery Bears binary search, flows, graphs	2200	x1834
1034B	Little C Loves 3 II brute force, constructive algorithms, flows, graph matchings	2200	x1861
1486E	Paired Payment binary search, brute force, constructive algorithms, dp, flows, graphs, shortest paths	2200	x2297
852D	Exploration plan binary search, flows, graph matchings, shortest paths	2100	x714
269C	Flawed Flow constructive algorithms, flows, graphs, greedy	2100	x1431
498C	Array and Operations flows, graph matchings, number theory	2100	x2679
546E	Soldier and Traveling flows, graphs, math	2100	x2802
730I	Olympiad in Programming and Sports dp, flows, graphs, greedy	2000	x1238
237E	Build String flows, graphs	2000	x1296

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