Problemset - Codeforces

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Codeforces Round 946 (Div. 3)
41:49:28
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Problems

#	Name
771E	Bear and Rectangle Strips dp, greedy	3000	x441
771D	Bear and Company dp	2500	x1106
771C	Bear and Tree Jumps dfs and similar, dp, trees	2100	x2796
768E	Game of Stones bitmasks, dp, games	2100	x2648
768D	Jon and Orbs dp, math, probabilities	2200	x2778
768C	Jon Snow and his Favourite Number brute force, dp, implementation, sortings	1800	x3771
766E	Mahmoud and a xor trip bitmasks, constructive algorithms, data structures, dfs and similar, dp, math, trees	2100	x2845
766D	Mahmoud and a Dictionary data structures, dfs and similar, dp, dsu, graphs	2000	x3269
766C	Mahmoud and a Message brute force, dp, greedy, strings	1700	x4320
765G	Math, math everywhere brute force, dp, math, meet-in-the-middle, number theory	3200	x81
765E	Tree Folding dfs and similar, dp, greedy, implementation, trees	2200	x1246
763A	Timofey and a tree dfs and similar, dp, dsu, graphs, implementation, trees	1600	x10140
762D	Maximum path dp, greedy, implementation	2300	x1291
761F	Dasha and Photos brute force, data structures, dp, implementation	2600	x404
761C	Dasha and Password brute force, dp, implementation	1500	x5838
758E	Broken Tree dfs and similar, dp, graphs, greedy, trees	2600	x443
758D	Ability To Convert constructive algorithms, dp, greedy, math, strings	2000	x2688
757E	Bash Plays with Functions brute force, combinatorics, dp, number theory	2500	x1267
757D	Felicity's Big Secret Revealed bitmasks, dp	2200	x1274
756E	Byteland coins combinatorics, dp, math	3200	x152
756D	Bacterial Melee brute force, combinatorics, dp, string suffix structures	2400	x976
756B	Travel Card binary search, dp	1600	x3318
755G	PolandBall and Many Other Balls combinatorics, divide and conquer, dp, fft, math, number theory	3200	x862
755F	PolandBall and Gifts bitmasks, dp, greedy	2600	x1276
754C	Vladik and chat brute force, constructive algorithms, dp, implementation, strings	2200	x909
753A	Santa Claus and Candies dp, greedy, math	1000	x8778
750G	New Year and Binary Tree Paths bitmasks, brute force, combinatorics, dp	3200	x441
750E	New Year and Old Subsequence data structures, divide and conquer, dp, matrices	2600	x1467
750D	New Year and Fireworks brute force, data structures, dfs and similar, dp, implementation	1900	x3056
747F	Igor and Interesting Numbers brute force, combinatorics, dp, math	2500	x411
747D	Winter Is Coming dp, greedy, sortings	1800	x3009
744C	Hongcow Buys a Deck of Cards bitmasks, brute force, dp	2400	x1011
743E	Vladik and cards binary search, bitmasks, brute force, dp	2200	x1474
743D	Chloe and pleasant prizes dfs and similar, dp, graphs, trees	1800	x4253
741B	Arpa's weak amphitheater and Mehrdad's valuable Hoses dfs and similar, dp, dsu	1600	x5141
739E	Gosha is hunting brute force, data structures, dp, flows, math, probabilities, sortings	3000	x2055
735E	Ostap and Tree dp, trees	2500	x846
734E	Anton and Tree dfs and similar, dp, trees	2100	x3737
734C	Anton and Making Potions binary search, dp, greedy, two pointers	1600	x5292
733C	Epidemic in Monstropolis constructive algorithms, dp, greedy, two pointers	1800	x3298
732B	Cormen --- The Best Friend Of a Man dp, greedy	1000	x24106
731E	Funny Game dp, games	2200	x1390
730J	Bottles dp	1900	x3158
730I	Olympiad in Programming and Sports dp, flows, graphs, greedy	2000	x1947
729F	Financiers Game dp	2500	x934
729B	Spotlights dp, implementation	1200	x7746
727F	Polycarp's problems binary search, dp, greedy	2300	x763
724F	Uniformly Branched Trees combinatorics, dp, trees	2700	x390
724E	Goods transportation dp, flows, greedy	2900	x1237
722E	Research Rover combinatorics, dp	2900	x799
721E	Road to Home binary search, dp	2700	x301
721C	Journey dp, graphs	1800	x5682
720D	Slalom data structures, dp, sortings	3100	x224
718D	Andrew and Chemistry dp, hashing, trees	2900	x382
718A	Efim and Strange Grade dp, implementation, math	1700	x4324
717B	R3D3’s Summer Adventure dp, greedy	2700	x137
713E	Sonya Partymaker binary search, dp	3300	x342
713C	Sonya and Problem Wihtout a Legend dp, sortings	2300	x4798
712D	Memory and Scores combinatorics, dp, math	2200	x1626
711C	Coloring Trees dp	1700	x7819
710E	Generate a String dfs and similar, dp	2000	x4981
708E	Student's Camp dp, math	3100	x932
708C	Centroids data structures, dfs and similar, dp, graphs, greedy, trees	2300	x3012
706C	Hard problem dp, strings	1600	x15660
706B	Interesting drink binary search, dp, implementation	1100	x58645
704C	Black Widow dp, graphs, implementation, math	2900	x457
704B	Ant Man dp, graphs, greedy	2500	x1564
703E	Mishka and Divisors dp, number theory	2600	x587
702A	Maximum Increase dp, greedy, implementation	800	x41666
700B	Connecting Universities dfs and similar, dp, graphs, trees	1800	x3787
698C	LRU bitmasks, dp, math, probabilities	2400	x1280
698A	Vacations dp	1400	x28562
696D	Legen... data structures, dp, matrices, strings	2500	x1236
696C	PLEASE combinatorics, dp, implementation, math, matrices	2000	x2051
691F	Couple Cover brute force, dp, number theory	2200	x1246
690D3	The Wall (hard) dp	2100	x490
689E	Mike and Geometry Problem combinatorics, data structures, dp, geometry, implementation	2000	x1809
687C	The Values You Can Make dp	1900	x4977
685B	Kay and Snowflake data structures, dfs and similar, dp, trees	1900	x3788
685A	Robbers' watch brute force, combinatorics, dp, math	1700	x4145
682D	Alyona and Strings dp, strings	1900	x3174
682C	Alyona and the Tree dfs and similar, dp, graphs, trees	1600	x7009
679B	Bear and Tower of Cubes binary search, dp, greedy	2200	x2113
678E	Another Sith Tournament bitmasks, dp, math, probabilities	2200	x1906
677E	Vanya and Balloons binary search, brute force, dp, implementation	2300	x583
677D	Vanya and Treasure data structures, dp, graphs, shortest paths	2300	x1530
676C	Vasya and String binary search, dp, strings, two pointers	1500	x18181
675E	Trains and Statistic data structures, dp, greedy	2300	x2615
671D	Roads in Yusland data structures, dp, greedy	2900	x1110
671A	Recycling Bottles dp, geometry, greedy, implementation	1800	x4108
666A	Reberland Linguistics dp, implementation, strings	1800	x3416
665F	Four Divisors data structures, dp, math, number theory, sortings, two pointers	2400	x576
665C	Simple Strings dp, greedy, strings	1300	x9233
662E	To Hack or not to Hack brute force, dp, greedy	3100	x132
662C	Binary Table bitmasks, brute force, divide and conquer, dp, fft, math	2600	x1959
660C	Hard Process binary search, dp, two pointers	1600	x9084
659G	Fence Divercity combinatorics, dp, number theory	2300	x947
653B	Bear and Compressing brute force, dfs and similar, dp, strings	1300	x4892
651A	Joysticks dp, greedy, implementation, math	1100	x22521
650D	Zip-line binary search, data structures, dp, hashing	2600	x1197