Problemset - Codeforces

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Educational Codeforces Round 174 (Rated for Div. 2)
37:37:01
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Problems

#	Name
758D	Ability To Convert constructive algorithms, dp, greedy, math, strings	2000	x2776
757E	Bash Plays with Functions brute force, combinatorics, dp, number theory	2500	x1389
757D	Felicity's Big Secret Revealed bitmasks, dp	2200	x1440
756E	Byteland coins combinatorics, dp, math	3200	x187
756D	Bacterial Melee brute force, combinatorics, dp, string suffix structures	2400	x1015
756B	Travel Card binary search, dp	1600	x3874
755G	PolandBall and Many Other Balls combinatorics, divide and conquer, dp, fft, math, number theory	3200	x956
755F	PolandBall and Gifts bitmasks, dp, greedy	2600	x1477
754C	Vladik and chat brute force, constructive algorithms, dp, implementation, strings	2200	x958
753A	Santa Claus and Candies dp, greedy, math	1000	x9275
750G	New Year and Binary Tree Paths bitmasks, brute force, combinatorics, dp	3200	x468
750E	New Year and Old Subsequence data structures, divide and conquer, dp, matrices	2600	x1654
750D	New Year and Fireworks brute force, data structures, dfs and similar, dp, implementation	1900	x3102
747F	Igor and Interesting Numbers brute force, combinatorics, dp, math	2500	x431
747D	Winter Is Coming dp, greedy, sortings	1800	x3318
744C	Hongcow Buys a Deck of Cards bitmasks, brute force, dp	2400	x1185
743E	Vladik and cards binary search, bitmasks, brute force, dp	2200	x1526
743D	Chloe and pleasant prizes dfs and similar, dp, graphs, trees	1800	x4421
741B	Arpa's weak amphitheater and Mehrdad's valuable Hoses dfs and similar, dp, dsu	1600	x5362
739E	Gosha is hunting brute force, data structures, dp, flows, math, probabilities, sortings	3000	x2254
735E	Ostap and Tree dp, trees	2500	x895
734E	Anton and Tree dfs and similar, dp, trees	2100	x4344
734C	Anton and Making Potions binary search, dp, greedy, two pointers	1600	x5423
733C	Epidemic in Monstropolis constructive algorithms, dp, greedy, two pointers	1800	x3418
732B	Cormen --- The Best Friend Of a Man dp, greedy	1000	x24879
731E	Funny Game dp, games	2200	x1749
730J	Bottles dp	1900	x3559
730I	Olympiad in Programming and Sports dp, flows, graphs, greedy	2000	x2171
729F	Financiers Game dp	2500	x1013
729B	Spotlights dp, implementation	1200	x8083
727F	Polycarp's problems binary search, dp, greedy	2300	x835
724F	Uniformly Branched Trees combinatorics, dp, trees	2700	x470
724E	Goods transportation dp, flows, greedy	2900	x1386
722E	Research Rover combinatorics, dp	2900	x905
721E	Road to Home binary search, dp	2700	x310
721C	Journey dp, graphs	1800	x6012
720D	Slalom data structures, dp, sortings	3100	x308
718D	Andrew and Chemistry dp, hashing, trees	2900	x432
718A	Efim and Strange Grade dp, implementation, math	1700	x4411
717B	R3D3’s Summer Adventure dp, greedy	2700	x162
713E	Sonya Partymaker binary search, dp	3300	x362
713C	Sonya and Problem Wihtout a Legend dp, sortings	2300	x5685
712D	Memory and Scores combinatorics, dp, math	2200	x1864
711C	Coloring Trees dp	1700	x8468
710E	Generate a String dfs and similar, dp	2000	x5299
708E	Student's Camp dp, math	3100	x1031
708C	Centroids data structures, dfs and similar, dp, graphs, greedy, trees	2300	x3506
706C	Hard problem dp, strings	1600	x16866
706B	Interesting drink binary search, dp, implementation	1100	x67354
704C	Black Widow dp, graphs, implementation, math	2900	x478
704B	Ant Man dp, graphs, greedy	2500	x1940
703E	Mishka and Divisors dp, number theory	2600	x611
702A	Maximum Increase dp, greedy, implementation	800	x47003
700B	Connecting Universities dfs and similar, dp, graphs, trees	1800	x4151
698C	LRU bitmasks, dp, math, probabilities	2400	x1355
698A	Vacations dp	1400	x31711
696D	Legen... data structures, dp, matrices, strings	2500	x1354
696C	PLEASE combinatorics, dp, implementation, math, matrices	2000	x2108
691F	Couple Cover brute force, dp, number theory	2200	x1320
690D3	The Wall (hard) dp	2100	x529
689E	Mike and Geometry Problem combinatorics, data structures, dp, geometry, implementation	2000	x1980
687C	The Values You Can Make dp	1900	x5950
685B	Kay and Snowflake data structures, dfs and similar, dp, trees	1900	x4338
685A	Robbers' watch brute force, combinatorics, dp, math	1700	x4299
682D	Alyona and Strings dp, strings	1900	x3347
682C	Alyona and the Tree dfs and similar, dp, graphs, trees	1600	x7374
679B	Bear and Tower of Cubes binary search, dp, greedy	2200	x2161
678E	Another Sith Tournament bitmasks, dp, math, probabilities	2200	x2300
677E	Vanya and Balloons binary search, brute force, dp, implementation	2300	x609
677D	Vanya and Treasure data structures, dp, graphs, shortest paths	2300	x1730
676C	Vasya and String binary search, dp, strings, two pointers	1500	x19464
675E	Trains and Statistic data structures, dp, greedy	2300	x2856
671D	Roads in Yusland data structures, dp, greedy	2900	x1211
671A	Recycling Bottles dp, geometry, greedy, implementation	1800	x4216
666A	Reberland Linguistics dp, implementation, strings	1800	x3602
665F	Four Divisors data structures, dp, math, number theory, sortings, two pointers	2400	x641
665C	Simple Strings dp, greedy, strings	1300	x11350
662E	To Hack or not to Hack brute force, dp, greedy	3100	x143
662C	Binary Table bitmasks, brute force, divide and conquer, dp, fft, math	2600	x2097
660C	Hard Process binary search, dp, two pointers	1600	x9728
659G	Fence Divercity combinatorics, dp, number theory	2300	x1232
653B	Bear and Compressing brute force, dfs and similar, dp, strings	1300	x5052
651A	Joysticks dp, greedy, implementation, math	1100	x23238
650D	Zip-line binary search, data structures, dp, hashing	2600	x1423
650C	Table Compression dfs and similar, dp, dsu, graphs, greedy	2200	x2045
650B	Image Preview binary search, brute force, dp, two pointers	1900	x3380
645E	Intellectual Inquiry dp, greedy, strings	2200	x1297
645D	Robot Rapping Results Report binary search, dp, graphs	1800	x2973
643F	Bears and Juice dp, math, meet-in-the-middle	2900	x731
643E	Bear and Destroying Subtrees dp, math, probabilities, trees	2700	x652
643C	Levels and Regions dp	2400	x1461
641D	Little Artem and Random Variable dp, implementation, math, probabilities	2400	x1365
637D	Running with Obstacles *special problem, data structures, dp, greedy	1600	x2044
633F	The Chocolate Spree dfs and similar, dp, graphs, trees	2600	x1032
633D	Fibonacci-ish brute force, dp, hashing, implementation, math	2000	x2842
633C	Spy Syndrome 2 data structures, dp, hashing, implementation, sortings, string suffix structures, strings	1900	x2843
632E	Thief in a Shop divide and conquer, dp, fft, math	2400	x2923
631E	Product Sum data structures, dp, geometry	2600	x2495
629E	Famil Door and Roads combinatorics, data structures, dfs and similar, dp, probabilities, trees	2300	x1044
629D	Babaei and Birthday Cake data structures, dp	2000	x4118