Problemset - Codeforces

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Educational Codeforces Round 174 (Rated for Div. 2)
38:00:17
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Problems

#	Name
766C	Mahmoud and a Message brute force, dp, greedy, strings	1700	x4572
766B	Mahmoud and a Triangle constructive algorithms, geometry, greedy, math, number theory, sortings	1000	x34068
765E	Tree Folding dfs and similar, dp, greedy, implementation, trees	2200	x1297
765B	Code obfuscation greedy, implementation, strings	1100	x7165
762D	Maximum path dp, greedy, implementation	2300	x1603
762B	USB vs. PS/2 greedy, implementation, sortings, two pointers	1400	x8725
761E	Dasha and Puzzle constructive algorithms, dfs and similar, graphs, greedy, trees	2000	x2202
761D	Dasha and Very Difficult Problem binary search, brute force, constructive algorithms, greedy, sortings	1700	x4085
760B	Frodo and pillows binary search, greedy	1500	x6784
758E	Broken Tree dfs and similar, dp, graphs, greedy, trees	2600	x502
758D	Ability To Convert constructive algorithms, dp, greedy, math, strings	2000	x2776
757B	Bash's Big Day greedy, math, number theory	1400	x10534
755F	PolandBall and Gifts bitmasks, dp, greedy	2600	x1477
755B	PolandBall and Game binary search, data structures, games, greedy, sortings, strings	1100	x11531
754D	Fedor and coupons binary search, data structures, greedy, sortings	2100	x2477
754A	Lesha and array splitting constructive algorithms, greedy, implementation	1200	x8843
753A	Santa Claus and Candies dp, greedy, math	1000	x9275
750C	New Year and Rating binary search, greedy, math	1600	x6613
749C	Voting greedy, implementation, two pointers	1500	x6050
749A	Bachgold Problem greedy, implementation, math, number theory	800	x51217
748E	Santa Claus and Tangerines binary search, data structures, greedy, two pointers	2100	x1514
748D	Santa Claus and a Palindrome constructive algorithms, data structures, greedy	2100	x1925
747D	Winter Is Coming dp, greedy, sortings	1800	x3318
746F	Music in Car data structures, greedy, two pointers	2200	x786
746E	Numbers Exchange greedy, implementation, math	1900	x1759
746D	Green and Black Tea constructive algorithms, greedy, math	1500	x5162
743A	Vladik and flights constructive algorithms, greedy, implementation	1200	x11280
739A	Alyona and mex constructive algorithms, greedy	1700	x8032
737E	Tanya is 5! graph matchings, graphs, greedy, schedules	3300	x126
736E	Chess Championship constructive algorithms, flows, greedy, math	2900	x188
735C	Tennis Championship combinatorics, constructive algorithms, greedy, math	1600	x7603
735B	Urbanization greedy, number theory, sortings	1100	x8454
734C	Anton and Making Potions binary search, dp, greedy, two pointers	1600	x5423
734B	Anton and Digits brute force, greedy, implementation, math	800	x29866
733C	Epidemic in Monstropolis constructive algorithms, dp, greedy, two pointers	1800	x3418
732E	Sockets greedy, sortings	2100	x1619
732D	Exams binary search, greedy, sortings	1700	x5618
732C	Sanatorium binary search, constructive algorithms, greedy, implementation, math	1200	x9823
732B	Cormen --- The Best Friend Of a Man dp, greedy	1000	x24879
731D	80-th Level Archeology brute force, data structures, greedy, sortings	2200	x1192
731C	Socks dfs and similar, dsu, graphs, greedy	1600	x7120
731B	Coupons and Discounts constructive algorithms, greedy	1100	x8082
730I	Olympiad in Programming and Sports dp, flows, graphs, greedy	2000	x2171
730E	Award Ceremony greedy, implementation	2200	x727
730D	Running Over The Bridges greedy, implementation, math	2200	x884
730A	Toda 2 greedy, implementation	1800	x1635
729E	Subordinates constructive algorithms, data structures, graphs, greedy, sortings	1900	x2251
729D	Sea Battle constructive algorithms, greedy, math	1700	x3795
729C	Road to Cinema binary search, greedy, sortings	1700	x3986
727F	Polycarp's problems binary search, dp, greedy	2300	x835
727D	T-shirts Distribution constructive algorithms, flows, greedy	1800	x1915
725F	Family Photos games, greedy	2900	x546
725E	Too Much Money brute force, greedy	2600	x661
725D	Contest Balloons data structures, greedy	1800	x2827
724E	Goods transportation dp, flows, greedy	2900	x1386
724D	Dense Subsequence data structures, greedy, strings	1900	x2352
724C	Ray Tracing greedy, hashing, implementation, math, number theory, sortings	1800	x2155
724B	Batch Sort brute force, greedy, implementation, math	1500	x4027
723F	st-Spanning Tree dsu, graphs, greedy, implementation	2300	x1529
723E	One-Way Reform constructive algorithms, dfs and similar, flows, graphs, greedy	2200	x2031
723D	Lakes in Berland dfs and similar, dsu, graphs, greedy, implementation	1600	x7075
723C	Polycarp at the Radio greedy	1600	x4812
722D	Generating Sets binary search, data structures, dfs and similar, greedy, strings, trees	1900	x3211
721D	Maxim and Array constructive algorithms, data structures, greedy, math	2000	x2373
720A	Closing ceremony greedy	2000	x870
719B	Anatoly and Cockroaches greedy	1400	x8540
717B	R3D3’s Summer Adventure dp, greedy	2700	x162
716B	Complete the Word greedy, two pointers	1300	x12335
712C	Memory and De-Evolution greedy, math	1600	x5968
709B	Checkpoints greedy, implementation, sortings	1500	x4777
708C	Centroids data structures, dfs and similar, dp, graphs, greedy, trees	2300	x3506
708B	Recover the String constructive algorithms, greedy, implementation, math	1900	x3277
708A	Letters Cyclic Shift constructive algorithms, greedy, implementation, strings	1200	x9160
704D	Captain America flows, greedy	3100	x825
704B	Ant Man dp, graphs, greedy	2500	x1940
702A	Maximum Increase dp, greedy, implementation	800	x47003
701A	Cards greedy, implementation	800	x20005
700D	Huffman Coding on Segment data structures, greedy	3100	x470
689B	Mike and Shortcuts dfs and similar, graphs, greedy, shortest paths	1600	x6109
681C	Heap Operations constructive algorithms, data structures, greedy	1600	x8022
679B	Bear and Tower of Cubes binary search, dp, greedy	2200	x2161
675E	Trains and Statistic data structures, dp, greedy	2300	x2856
675C	Money Transfers constructive algorithms, data structures, greedy, sortings	2100	x3682
673B	Problems for Round greedy, implementation	1300	x3545
671E	Organizing a Race data structures, greedy	3300	x431
671D	Roads in Yusland data structures, dp, greedy	2900	x1211
671B	Robin Hood binary search, greedy	2000	x3098
671A	Recycling Bottles dp, geometry, greedy, implementation	1800	x4216
670A	Holidays brute force, constructive algorithms, greedy, math	900	x17298
665D	Simple Subset constructive algorithms, greedy, number theory	1800	x3717
665C	Simple Strings dp, greedy, strings	1300	x11350
663A	Rebus constructive algorithms, expression parsing, greedy, math	1800	x3388
662E	To Hack or not to Hack brute force, dp, greedy	3100	x143
662D	International Olympiad constructive algorithms, greedy, implementation, math	2000	x1641
660A	Co-prime Array greedy, implementation, math, number theory	1200	x9242
659F	Polycarp and Hay dfs and similar, dsu, graphs, greedy, sortings	2000	x1840
659E	New Reform data structures, dfs and similar, dsu, graphs, greedy	1600	x7568
659C	Tanya and Toys greedy, implementation	1200	x11545
651B	Beautiful Paintings greedy, sortings	1200	x11693
651A	Joysticks dp, greedy, implementation, math	1100	x23238