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
1328B	K-th Beautiful String binary search, brute force, combinatorics, implementation, math	1300	x28028
476B	Dreamoon and WiFi bitmasks, brute force, combinatorics, dp, math, probabilities	1300	x28932
1360D	Buying Shovels math, number theory	1300	x30630
1294C	Product of Three Numbers greedy, math, number theory	1300	x32135
478B	Random Teams combinatorics, constructive algorithms, greedy, math	1300	x35157
459B	Pashmak and Flowers combinatorics, implementation, sortings	1300	x38348
451B	Sort the Array implementation, sortings	1300	x42876
189A	Cut Ribbon brute force, dp	1300	x62216
230B	T-primes binary search, implementation, math, number theory	1300	x69566
4C	Registration System data structures, hashing, implementation	1300	x76687
25A	IQ test brute force	1300	x80778
1002D1	Oracle for f(x) = b * x mod 2	1200	x396
1001H	Oracle for f(x) = parity of the number of 1s in x *special problem	1200	x524
683A	The Check of the Point *special problem, geometry	1200	x785
72C	Extraordinarily Nice Numbers *special problem, math	1200	x856
1769C1	Подкрутка I *special problem, brute force, dp, greedy	1200	x927
176A	Trading Business greedy, sortings	1200	x1401
177D1	Encrypting Messages brute force	1200	x2027
180F	Mathematical Analysis Rocks! constructive algorithms, implementation, math	1200	x2447
413A	Data Recovery implementation	1200	x2532
690D1	The Wall (easy)	1200	x2545
523A	Rotate, Flip and Zoom *special problem, implementation	1200	x2566
48B	Land Lot brute force, implementation	1200	x2598
172B	Pseudorandom Sequence Period *special problem, implementation, number theory	1200	x2685
958C1	Encryption (easy) brute force	1200	x2769
177B2	Rectangular Game number theory	1200	x2824
102A	Clothes brute force	1200	x2897
802M	April Fools' Problem (easy) greedy, sortings	1200	x3014
69B	Bets greedy, implementation	1200	x3182
769B	News About Credit *special problem, greedy, two pointers	1200	x3232
645B	Mischievous Mess Makers greedy, math	1200	x3329
55A	Flea travel implementation, math	1200	x3329
928A	Login Verification *special problem, strings	1200	x3331
645A	Amity Assessment brute force, constructive algorithms, implementation	1200	x3355
38B	Chess brute force, implementation, math	1200	x3380
194B	Square math	1200	x3407
15A	Cottage Village implementation, sortings	1200	x3553
101A	Homework greedy	1200	x3686
1578E	Easy Scheduling implementation, math	1200	x3724
88A	Chord brute force, implementation	1200	x3735
134A	Average Numbers brute force, implementation	1200	x3791
33A	What is for dinner? greedy, implementation	1200	x3840
412C	Pattern implementation, strings	1200	x3845
717C	Potions Homework implementation, sortings	1200	x3862
79A	Bus Game greedy	1200	x3970
774C	Maximum Number *special problem, constructive algorithms, greedy, implementation	1200	x4018
112B	Petya and Square implementation, math	1200	x4060
203A	Two Problems brute force, implementation	1200	x4111
1075B	Taxi drivers and Lyft implementation, sortings	1200	x4184
80B	Depression geometry, math	1200	x4215
171A	Mysterious numbers - 1 *special problem, constructive algorithms	1200	x4342
234A	Lefthanders and Righthanders implementation	1200	x4376
401B	Sereja and Contests greedy, implementation, math	1200	x4377
632A	Grandma Laura and Apples	1200	x4463
63B	Settlers' Training implementation	1200	x4706
255B	Code Parsing implementation	1200	x4860
216A	Tiling with Hexagons implementation, math	1200	x4909
143B	Help Kingdom of Far Far Away 2 implementation, strings	1200	x4909
1032B	Personalized Cup	1200	x4945
23A	You're Given a String... brute force, greedy	1200	x5060
725B	Food on the Plane implementation, math	1200	x5088
9B	Running Student brute force, geometry, implementation	1200	x5178
1510K	King's Task brute force, graphs, implementation	1200	x5257
186B	Growing Mushrooms greedy, sortings	1200	x5281
8A	Train and Peter strings	1200	x5483
5B	Center Alignment implementation, strings	1200	x5526
593A	2Char brute force, implementation	1200	x5670
899B	Months and Years implementation	1200	x5745
1184A1	Heidi Learns Hashing (Easy) brute force, math, number theory	1200	x5816
639A	Bear and Displayed Friends implementation	1200	x6013
817A	Treasure Hunt implementation, math, number theory	1200	x6049
812A	Sagheer and Crossroads implementation	1200	x6160
1043B	Lost Array implementation	1200	x6193
53C	Little Frog constructive algorithms	1200	x6205
151B	Phone Numbers implementation, strings	1200	x6210
592A	PawnChess implementation	1200	x6299
794B	Cutting Carrot geometry, math	1200	x6316
722B	Verse Pattern implementation, strings	1200	x6342
803B	Distances to Zero constructive algorithms	1200	x6401
811B	Vladik and Complicated Book implementation, sortings	1200	x6436
895A	Pizza Separation brute force, implementation	1200	x6447
59B	Fortune Telling implementation, number theory	1200	x6635
366B	Dima and To-do List brute force, implementation	1200	x6712
612B	HDD is Outdated Technology implementation, math	1200	x6814
254A	Cards with Numbers constructive algorithms, sortings	1200	x6824
765C	Table Tennis Game 2 math	1200	x6825
315B	Sereja and Array implementation	1200	x6831
131B	Opposites Attract implementation, math	1200	x6856
569B	Inventory greedy, math	1200	x6944
630B	Moore's Law math	1200	x6951
145A	Lucky Conversion greedy, implementation	1200	x6952
989B	A Tide of Riverscape constructive algorithms, strings	1200	x6968
931B	World Cup constructive algorithms, implementation	1200	x7019
920B	Tea Queue implementation	1200	x7067
379B	New Year Present constructive algorithms, implementation	1200	x7157
631B	Print Check constructive algorithms, implementation	1200	x7240
985B	Switches and Lamps implementation	1200	x7296
400B	Inna and New Matrix of Candies brute force, implementation, schedules	1200	x7316
424B	Megacity binary search, greedy, implementation, sortings	1200	x7322
340A	The Wall math	1200	x7412