Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
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Codeforces Round 941 (Div. 2)
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Problems

#	Name
743B	Chloe and the sequence binary search, bitmasks, constructive algorithms, implementation	1200	x14197
743A	Vladik and flights constructive algorithms, greedy, implementation	1200	x10841
742B	Arpa’s obvious problem and Mehrdad’s terrible solution brute force, math, number theory	1500	x9021
742A	Arpa’s hard exam and Mehrdad’s naive cheat implementation, math, number theory	1000	x39680
741E	Arpa’s abnormal DNA and Mehrdad’s deep interest data structures, string suffix structures	3400	x173
741D	Arpa’s letter-marked tree and Mehrdad’s Dokhtar-kosh paths data structures, dfs and similar, trees	2900	x2434
741C	Arpa’s overnight party and Mehrdad’s silent entering constructive algorithms, dfs and similar, graphs	2600	x2362
741B	Arpa's weak amphitheater and Mehrdad's valuable Hoses dfs and similar, dp, dsu	1600	x5135
741A	Arpa's loud Owf and Mehrdad's evil plan dfs and similar, math	1600	x5393
740B	Alyona and flowers constructive algorithms	1200	x8098
740A	Alyona and copybooks brute force, implementation	1300	x8805
739E	Gosha is hunting brute force, data structures, dp, flows, math, probabilities, sortings	3000	x2043
739D	Recover a functional graph graph matchings	3400	x175
739C	Alyona and towers data structures	2500	x1391
739B	Alyona and a tree binary search, data structures, dfs and similar, graphs, trees	1900	x4417
739A	Alyona and mex constructive algorithms, greedy	1700	x7569
737F	Dirty plates constructive algorithms, math	3300	x69
737E	Tanya is 5! graph matchings, graphs, greedy, schedules	3300	x116
736E	Chess Championship constructive algorithms, flows, greedy, math	2900	x180
736D	Permutations math, matrices	2800	x450
735E	Ostap and Tree dp, trees	2500	x841
735D	Taxes math, number theory	1600	x12610
735C	Tennis Championship combinatorics, constructive algorithms, greedy, math	1600	x7330
735B	Urbanization greedy, number theory, sortings	1100	x8298
735A	Ostap and Grasshopper implementation, strings	800	x12273
734F	Anton and School bitmasks, constructive algorithms, implementation, math	2500	x1277
734E	Anton and Tree dfs and similar, dp, trees	2100	x3732
734D	Anton and Chess implementation	1700	x3682
734C	Anton and Making Potions binary search, dp, greedy, two pointers	1600	x5283
734B	Anton and Digits brute force, greedy, implementation, math	800	x28463
734A	Anton and Danik implementation, strings	800	x139155
733F	Drivers Dissatisfaction data structures, dsu, graphs, trees	2200	x1088
733E	Sleep in Class constructive algorithms, data structures, math, two pointers	2400	x858
733D	Kostya the Sculptor data structures, hashing	1600	x4130
733C	Epidemic in Monstropolis constructive algorithms, dp, greedy, two pointers	1800	x3294
733B	Parade math	1100	x10553
733A	Grasshopper And the String implementation	1000	x15879
732F	Tourist Reform dfs and similar, graphs	2300	x2229
732E	Sockets greedy, sortings	2100	x1576
732D	Exams binary search, greedy, sortings	1700	x5397
732C	Sanatorium binary search, constructive algorithms, greedy, implementation, math	1200	x9462
732B	Cormen --- The Best Friend Of a Man dp, greedy	1000	x23999
732A	Buy a Shovel brute force, constructive algorithms, implementation, math	800	x66863
731F	Video Cards brute force, data structures, implementation, math, number theory	1900	x2749
731E	Funny Game dp, games	2200	x1375
731D	80-th Level Archeology brute force, data structures, greedy, sortings	2200	x1147
731C	Socks dfs and similar, dsu, graphs, greedy	1600	x6762
731B	Coupons and Discounts constructive algorithms, greedy	1100	x7851
731A	Night at the Museum implementation, strings	800	x42919
730L	Expression Queries data structures	3200	x81
730K	Roads Orientation Problem graphs	3200	x92
730J	Bottles dp	1900	x3144
730I	Olympiad in Programming and Sports dp, flows, graphs, greedy	2000	x1935
730H	Delete Them constructive algorithms, implementation	1300	x2915
730G	Car Repair Shop implementation	1600	x2099
730F	Ber Patio	3100	x87
730E	Award Ceremony greedy, implementation	2200	x708
730D	Running Over The Bridges greedy, implementation, math	2200	x679
730C	Bulmart binary search, dfs and similar	2100	x1004
730B	Minimum and Maximum constructive algorithms, interactive	1800	x2375
730A	Toda 2 greedy, implementation	1800	x1550
729F	Financiers Game dp	2500	x908
729E	Subordinates constructive algorithms, data structures, graphs, greedy, sortings	1900	x2131
729D	Sea Battle constructive algorithms, greedy, math	1700	x3606
729C	Road to Cinema binary search, greedy, sortings	1700	x3834
729B	Spotlights dp, implementation	1200	x7699
729A	Interview with Oleg implementation, strings	900	x7253
727F	Polycarp's problems binary search, dp, greedy	2300	x761
727E	Games on a CD data structures, hashing, string suffix structures, strings	2300	x1112
727D	T-shirts Distribution constructive algorithms, flows, greedy	1800	x1795
727C	Guess the Array constructive algorithms, interactive, math	1400	x6871
727B	Bill Total Value expression parsing, implementation, strings	1600	x1964
727A	Transformation: from A to B brute force, dfs and similar, math	1000	x13169
725G	Messages on a Tree	3300	x161
725F	Family Photos games, greedy	2900	x481
725E	Too Much Money brute force, greedy	2600	x641
725D	Contest Balloons data structures, greedy	1800	x2669
725C	Hidden Word brute force, constructive algorithms, implementation, strings	1600	x2583
725B	Food on the Plane implementation, math	1200	x5087
725A	Jumping Ball implementation	1000	x7007
724G	Xor-matic Number of the Graph bitmasks, graphs, math, number theory, trees	2600	x992
724F	Uniformly Branched Trees combinatorics, dp, trees	2700	x388
724E	Goods transportation dp, flows, greedy	2900	x1222
724D	Dense Subsequence data structures, greedy, strings	1900	x2249
724C	Ray Tracing greedy, hashing, implementation, math, number theory, sortings	1800	x2103
724B	Batch Sort brute force, greedy, implementation, math	1500	x3966
724A	Checking the Calendar implementation	1000	x6982
723F	st-Spanning Tree dsu, graphs, greedy, implementation	2300	x1437
723E	One-Way Reform constructive algorithms, dfs and similar, flows, graphs, greedy	2200	x1882
723D	Lakes in Berland dfs and similar, dsu, graphs, greedy, implementation	1600	x6800
723C	Polycarp at the Radio greedy	1600	x4503
723B	Text Document Analysis expression parsing, implementation, strings	1100	x9987
723A	The New Year: Meeting Friends implementation, math, sortings	800	x70279
722F	Cyclic Cipher chinese remainder theorem, data structures, implementation, number theory, two pointers	2800	x469
722E	Research Rover combinatorics, dp	2900	x798
722D	Generating Sets binary search, data structures, dfs and similar, greedy, strings, trees	1900	x3072
722C	Destroying Array data structures, dsu	1600	x8777
722B	Verse Pattern implementation, strings	1200	x6341
722A	Broken Clock brute force, implementation	1300	x6569
721E	Road to Home binary search, dp	2700	x300