Problemset - Codeforces

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Codeforces Raif ML Round 1
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Problems

#	Name
1521D	Nastia Plays with a Tree constructive algorithms, dfs and similar, dp, flows, greedy, implementation, trees	2500	x601
1519F	Chests and Keys bitmasks, brute force, dfs and similar, dp, flows	3200	x99
1517G	Starry Night Camping constructive algorithms, flows, graphs	3300	x143
1510B	Button Lock flows, graph matchings, graphs	2600	x382
1488I	Demonic Invasion *special problem, flows	3100	x15
1486E	Paired Payment binary search, brute force, constructive algorithms, dp, flows, graphs, shortest paths	2200	x1873
1473F	Strange Set flows, math	2700	x491
1455E	Four Points brute force, constructive algorithms, flows, geometry, greedy, implementation, math, ternary search	2400	x1056
1438C	Engineer Artem 2-sat, chinese remainder theorem, constructive algorithms, fft, flows	2000	x6961
1437C	Chef Monocarp dp, flows, graph matchings, greedy, math, sortings	1800	x6744
1430G	Yet Another DAG Problem bitmasks, dfs and similar, dp, flows, graphs, math	2600	x338
1427G	One Billion Shades of Grey flows, graphs	3300	x112
1426E	Rock, Paper, Scissors brute force, constructive algorithms, flows, greedy, math	1800	x5290
1423B	Valuable Paper binary search, flows, graph matchings, graphs	1900	x1244
1416F	Showing Off flows, graph matchings, greedy, implementation	3300	x96
1408H	Rainbow Triples binary search, data structures, flows, greedy	3300	x126
1404E	Bricks flows, graph matchings, graphs	2800	x531
1383F	Special Edges flows, graphs	3200	x101
1368H1	Breadboard Capacity (easy version) dp, flows, greedy	3300	x112
1354F	Summoning Minions constructive algorithms, dp, flows, graph matchings, greedy, sortings	2500	x677
1307G	Cow and Exercise flows, graphs, shortest paths	3100	x215
1288F	Red-Blue Graph constructive algorithms, flows	2900	x225
1264E	Beautiful League constructive algorithms, flows, graph matchings	2700	x305
1263F	Economic Difficulties data structures, dfs and similar, dp, flows, graphs, trees	2400	x595
1252L	Road Construction flows, graphs	2300	x427
1250K	Projectors flows, graphs	3100	x70
1214D	Treasure Island dfs and similar, dp, flows, hashing	1900	x3911
1198E	Rectangle Painting 2 flows, graph matchings, graphs	2500	x625
1187G	Gang Up flows, graphs	2500	x300
1184B3	The Doctor Meets Vader (Hard) flows, shortest paths	2700	x131
1184B2	The Doctor Meets Vader (Medium) flows, graph matchings, graphs, shortest paths, sortings	2200	x427
1178H	Stock Exchange binary search, flows, graphs	3500	x70
1146G	Zoning Restrictions dp, flows, graphs	2700	x453
1139E	Maximize Mex flows, graph matchings, graphs	2400	x986
1119B	Alyona and a Narrow Fridge binary search, flows, greedy, sortings	1300	x7365
1107F	Vasya and Endless Credits dp, flows, graph matchings, graphs, sortings	2600	x464
1090E	Horseback Riding flows, graphs	2300	x320
1082G	Petya and Graph flows, graphs	2400	x1014
1070I	Privatization of Roads in Berland flows, graph matchings, graphs	2400	x379
1061E	Politics flows, graphs	2600	x331
1054F	Electric Scheme flows, graph matchings	2700	x211
1045A	Last chance data structures, flows, graph matchings, graphs, trees	2500	x205
1034B	Little C Loves 3 II brute force, constructive algorithms, flows, graph matchings	2200	x1731
1023G	Pisces data structures, flows, trees	3400	x42
1016D	Vasya And The Matrix constructive algorithms, flows, math	1800	x3649
1009G	Allowed Letters bitmasks, flows, graph matchings, graphs, greedy	2400	x494
976F	Minimal k-covering flows, graphs	2500	x368
965D	Single-use Stones binary search, flows, greedy, two pointers	1900	x2317
925F	Parametric Circulation binary search, flows	3100	x64
903G	Yet Another Maxflow Problem data structures, flows, graphs	2700	x301
899E	Segments Removal data structures, dsu, flows, implementation, two pointers	2000	x1781
884F	Anti-Palindromize flows, graphs, greedy	2500	x530
877F	Ann and Books data structures, flows, hashing	2300	x740
863F	Almost Permutation flows	2200	x802
852D	Exploration plan binary search, flows, graph matchings, shortest paths	2100	x620
848D	Shake It! combinatorics, dp, flows, graphs	2900	x171
847J	Students Initiation binary search, flows, graphs	2400	x476
843E	Maximum Flow flows, graphs	3000	x89
818G	Four Melodies flows, graphs	2600	x306
813D	Two Melodies dp, flows	2600	x603
808F	Card Game binary search, flows, graphs	2400	x550
802O	April Fools' Problem (hard) binary search, data structures, flows	2900	x138
802N	April Fools' Problem (medium) binary search, flows, graphs	2400	x344
802C	Heidi and Library (hard) flows	2600	x286
793G	Oleg and chess data structures, divide and conquer, flows, graph matchings	3400	x172
786E	ALT data structures, flows, graphs, trees	3200	x309
739E	Gosha is hunting brute force, data structures, dp, flows, math, probabilities, sortings	3000	x985
736E	Chess Championship constructive algorithms, flows, greedy, math	2900	x140
730I	Olympiad in Programming and Sports dp, flows, graphs, greedy	2000	x1052
727D	T-shirts Distribution constructive algorithms, flows, greedy	1800	x1418
724E	Goods transportation dp, flows, greedy	2900	x731
723E	One-Way Reform constructive algorithms, dfs and similar, flows, graphs, greedy	2200	x1402
720B	Cactusophobia dfs and similar, flows	2400	x235
717G	Underfail flows	2400	x480
708D	Incorrect Flow flows	2900	x426
704D	Captain America flows, greedy	3100	x396
653D	Delivery Bears binary search, flows, graphs	2200	x1655
628F	Bear and Fair Set flows	2500	x433
611H	New Year and Forgotten Tree constructive algorithms, flows, graphs	3200	x324
546E	Soldier and Traveling flows, graphs, math	2100	x2462
513F2	Scaygerboss flows	2800	x207
513F1	Scaygerboss flows	2700	x201
510E	Fox And Dinner flows	2300	x1624
498C	Array and Operations flows, graph matchings, number theory	2100	x2349
491C	Deciphering flows, graph matchings	2300	x258
457E	Flow Optimality constructive algorithms, flows, math	3000	x50
434D	Nanami's Power Plant flows	2900	x273
362E	Petya and Pipes flows, graphs, shortest paths	2300	x543
343E	Pumping Stations brute force, dfs and similar, divide and conquer, flows, graphs, greedy, trees	2900	x348
321B	Ciel and Duel dp, flows, greedy	1900	x2093
316C2	Tidying Up flows, graph matchings	2300	x475
316C1	Tidying Up flows	2200	x456
311E	Biologist flows	2300	x531
280D	k-Maximum Subsequence Sum data structures, flows, graphs, implementation	2800	x548
277E	Binary Tree on Plane flows, trees	2400	x749
269C	Flawed Flow constructive algorithms, flows, graphs, greedy	2100	x1365
237E	Build String flows, graphs	2000	x1169
223E	Planar Graph flows, geometry, graphs	3000	x119
212A	Privatization flows, graphs	3000	x107
164C	Machine Programming flows, graphs	2400	x663

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