Div. 2, Problem B

List of random Codeforces problems, all of them are Div. 2 B problems. The problems are sorted, the most solved problem comes first. This is a good practice for whoever can solve almost all Div. 2 A problems, but might have some difficulties while solving the B problems.

PROBLEM TYPE B

PROBLEMS 100

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SOLVED

COMPLETION 0 / 100

PROBLEM SET

All Problems

#	PROBLEM	RATING	DIFFICULTY	TAGS
01	Queue at the School CF-266/B	800	LVL 1	constructive algorithmsgraph matchingsimplementation +1
02	Xenia and Ringroad CF-339/B	1000	LVL 2	implementation
03	Fedor and New Game CF-467/B	1100	LVL 3	bitmasksbrute forceconstructive algorithms +1
04	Random Teams CF-478/B	1300	LVL 3	combinatoricsconstructive algorithmsgreedy +1
05	Vanya and Lanterns CF-492/B	1200	LVL 3	binary searchimplementationmath +1
06	Sort the Array CF-451/B	1300	LVL 4	implementationsortings
07	Lecture CF-499/B	1000	LVL 2	implementationstrings
08	T-primes CF-230/B	1300	LVL 3	binary searchimplementationmath +1
09	Anton and currency you all know CF-508/B	1300	LVL 3	greedymathstrings
10	DZY Loves Strings CF-447/B	1000	LVL 2	greedyimplementation
11	Amr and Pins CF-507/B	1400	LVL 4	geometrymath
12	Little Pony and Sort by Shift CF-454/B	1200	LVL 4	implementation
13	Jzzhu and Sequences CF-450/B	1300	LVL 4	implementationmath
14	Roadside Trees (Simplified Edition) CF-265/B	1000	LVL 2	greedyimplementation
15	Find Marble CF-285/B	1200	LVL 3	implementation
16	Suffix Structures CF-448/B	1400	LVL 4	implementationstrings
17	Little Elephant and Magic Square CF-259/B	1100	LVL 2	brute forceimplementation
18	OR in Matrix CF-486/B	1300	LVL 4	greedyhashingimplementation
19	Football Kit CF-432/B	1200	LVL 3	brute forcegreedyimplementation
20	Little Girl and Game CF-276/B	1300	LVL 3	gamesgreedy
21	Petya and Staircases CF-362/B	1100	LVL 3	implementationsortings
22	Books CF-279/B	1400	LVL 4	binary searchbrute forceimplementation +1
23	Chat Online CF-469/B	1300	LVL 3	implementation
24	Painting Pebbles CF-509/B	1300	LVL 2	constructive algorithmsgreedyimplementation
25	Vasya and Wrestling CF-493/B	1400	LVL 4	implementation
26	George and Round CF-387/B	1200	LVL 3	brute forcegreedytwo pointers
27	The Fibonacci Segment CF-365/B	1100	LVL 3	implementation
28	Trace CF-157/B	1000	LVL 2	geometrysortings
29	Sale CF-34/B	900	LVL 2	greedysortings
30	Road Construction CF-330/B	1300	LVL 3	constructive algorithmsgraphs
31	Little Pigs and Wolves CF-116/B	1100	LVL 3	greedyimplementation
32	Before an Exam CF-4/B	1200	LVL 1	constructive algorithmsgreedy
33	Painting Eggs CF-282/B	1500	LVL 4	greedymath
34	Lucky Substring CF-122/B	1000	LVL 2	brute forceimplementation
35	Combination CF-155/B	1100	LVL 3	greedysortings
36	Jeff and Periods CF-352/B	1300	LVL 3	implementationsortings
37	Unary CF-133/B	1200	LVL 3	implementation
38	Polo the Penguin and Matrix CF-289/B	1400	LVL 4	brute forcedpimplementation +2
39	Dima and To-do List CF-366/B	1200	LVL 3	brute forceimplementation
40	Coins CF-58/B	1300	LVL 3	greedy
41	Han Solo and Lazer Gun CF-514/B	1400	LVL 4	brute forcedata structuresgeometry +2
42	Garland CF-408/B	1200	LVL 3	implementation
43	Flag Day CF-357/B	1400	LVL 4	constructive algorithmsimplementation
44	Art Union CF-416/B	1300	LVL 3	brute forcedpimplementation
45	Lucky String CF-110/B	1100	LVL 2	constructive algorithmsstrings
46	Petya and Countryside CF-66/B	1100	LVL 2	brute forceimplementation
47	Archer CF-312/B	1300	LVL 3	mathprobabilities
48	Routine Problem CF-337/B	1400	LVL 4	greedymathnumber theory
49	Color the Fence CF-349/B	1700	LVL 4	data structuresdpgreedy +1
50	Levko and Permutation CF-361/B	1200	LVL 3	constructive algorithmsmathnumber theory
51	Vasya's Calendar CF-182/B	1000	LVL 1	implementation
52	Reading CF-234/B	1000	LVL 3	sortings
53	Phone Numbers CF-151/B	1200	LVL 3	implementationstrings
54	Permutation CF-359/B	1400	LVL 3	constructive algorithmsdpmath
55	Students and Shoelaces CF-129/B	1200	LVL 3	brute forcedfs and similargraphs +1
56	Help Kingdom of Far Far Away 2 CF-143/B	1200	LVL 3	implementationstrings
57	The Child and Set CF-437/B	1500	LVL 4	bitmasksgreedyimplementation +1
58	Non-square Equation CF-233/B	1400	LVL 4	binary searchbrute forcemath
59	Special Offer! Super Price 999 Bourles! CF-219/B	1400	LVL 4	implementation
60	Little Elephant and Sorting CF-205/B	1400	LVL 4	brute forcegreedy
61	Walking in the Rain CF-192/B	1100	LVL 3	brute forceimplementation
62	Two Tables CF-228/B	1400	LVL 4	brute forceimplementation
63	Xenia and Spies CF-342/B	1500	LVL 4	brute forcegreedyimplementation
64	Lucky Numbers (easy) CF-96/B	1300	LVL 4	binary searchbitmasksbrute force
65	Ping-Pong (Easy Version) CF-320/B	1500	LVL 4	dfs and similargraphs
66	After Training CF-195/B	1300	LVL 3	data structuresimplementationmath
67	Magic, Wizardry and Wonders CF-231/B	1500	LVL 4	constructive algorithmsgreedy
68	Limit CF-197/B	1400	LVL 4	math
69	Ancient Prophesy CF-260/B	1600	LVL 4	brute forceimplementationstrings
70	Hometask CF-214/B	1600	LVL 4	brute forceconstructive algorithmsgreedy +1
71	Well-known Numbers CF-225/B	1600	LVL 4	binary searchgreedynumber theory
72	Settlers' Training CF-63/B	1200	LVL 3	implementation
73	Nearest Fraction CF-281/B	1700	LVL 4	brute forceimplementationtwo pointers
74	Counting Rhombi CF-189/B	1300	LVL 3	brute forcemath
75	Friends CF-94/B	1300	LVL 3	graphsimplementationmath
76	Undoubtedly Lucky Numbers CF-244/B	1600	LVL 4	bitmasksbrute forcedfs and similar
77	Forming Teams CF-216/B	1700	LVL 4	dfs and similarimplementation
78	Inna and Nine CF-374/B	1500	LVL 4	combinatoricsgreedy
79	Bets CF-69/B	1200	LVL 3	greedyimplementation
80	Young Photographer CF-14/B	1000	LVL 4	implementation
81	Martian Clock CF-149/B	1600	LVL 4	implementation
82	Jury Size CF-254/B	1500	LVL 4	brute forceimplementation
83	Hard Work CF-61/B	1300	LVL 4	strings
84	Testing Pants for Sadness CF-103/A	1100	LVL 3	greedyimplementationmath
85	Running Student CF-9/B	1200	LVL 4	brute forcegeometryimplementation
86	Tournament CF-27/B	1300	LVL 3	bitmasksbrute forcedfs and similar +1
87	Magical Array CF-83/A	1300	LVL 3	math
88	Help Chef Gerasim CF-99/B	1300	LVL 4	implementationsortings
89	Convex Shape CF-275/B	1700	LVL 4	constructive algorithmsimplementation
90	Surrounded CF-190/B	1800	LVL 5	geometry
91	Spoilt Permutation CF-56/B	1300	LVL 4	implementation
92	PFAST Inc. CF-114/B	1500	LVL 4	bitmasksbrute forcegraphs
93	Martian Dollar CF-41/B	1400	LVL 4	brute force
94	Bargaining Table CF-22/B	1500	LVL 5	brute forcedp
95	Sysadmin Bob CF-31/B	1500	LVL 4	greedyimplementationstrings
96	Facetook Priority Wall CF-75/B	1500	LVL 4	expression parsingimplementationstrings
97	Maximal Area Quadrilateral CF-340/B	2100	LVL 4	brute forcegeometry
98	Traffic Lights CF-29/B	1500	LVL 4	implementation
99	Blog Photo CF-53/B	1700	LVL 5	binary searchimplementation
100	Three matrices CF-393/B	—	LVL 7

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