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DIV.2

Div. 2, Problem A

List of random Codeforces problems, all of them are Div. 2 A problems. The problems are sorted, the most solved problem comes first. This is a good practice for whoever is beginner in programming problems.

PROBLEM TYPE A
PROBLEMS 100
PROGRESS

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SOLVED
COMPLETION 0 / 100
PROBLEM SET

All Problems

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# PROBLEM RATING DIFFICULTY TAGS STATUS
01 Watermelon
CF-4/A
800
LVL 1
brute forcemath
02 Way Too Long Words
CF-71/A
800
LVL 1
strings
03 String Task
CF-118/A
1000
LVL 2
implementationstrings
04 Petya and Strings
CF-112/A
800
LVL 1
implementationstrings
05 Helpful Maths
CF-339/A
800
LVL 1
greedyimplementationsortings +1
06 Twins
CF-160/A
900
LVL 2
greedysortings
07 Chat room
CF-58/A
1000
LVL 2
greedystrings
08 Lucky Division
CF-122/A
1000
LVL 2
brute forcenumber theory
09 Presents
CF-136/A
800
LVL 1
implementation
10 Beautiful Matrix
CF-263/A
800
LVL 1
implementation
11 Arrival of the General
CF-144/A
800
LVL 1
implementation
12 Game With Sticks
CF-451/A
900
LVL 2
implementation
13 Games
CF-268/A
800
LVL 1
brute force
14 Dubstep
CF-208/A
900
LVL 2
strings
15 Young Physicist
CF-69/A
1000
LVL 1
implementationmath
16 Puzzles
CF-337/A
900
LVL 2
greedy
17 Expression
CF-479/A
1000
LVL 2
brute forcemath
18 Anton and Letters
CF-443/A
800
LVL 1
constructive algorithmsimplementation
19 I Wanna Be the Guy
CF-469/A
800
LVL 2
greedyimplementation
20 Even Odds
CF-318/A
900
LVL 2
math
21 Cheap Travel
CF-466/A
1200
LVL 3
implementation
22 Ilya and Bank Account
CF-313/A
900
LVL 2
implementationnumber theory
23 Pashmak and Garden
CF-459/A
1200
LVL 3
implementation
24 Dragons
CF-230/A
1000
LVL 2
greedysortings
25 Dreamoon and Stairs
CF-476/A
1000
LVL 2
implementationmath
26 Team Olympiad
CF-490/A
800
LVL 1
greedyimplementationsortings
27 Devu, the Singer and Churu, the Joker
CF-439/A
900
LVL 2
greedyimplementation
28 Fox And Snake
CF-510/A
800
LVL 1
implementation
29 IQ test
CF-25/A
1300
LVL 1
brute force
30 Choosing Teams
CF-432/A
800
LVL 1
greedyimplementationsortings
31 Cakeminator
CF-330/A
800
LVL 1
brute forceimplementation
32 Valera and Antique Items
CF-441/A
1000
LVL 2
implementation
33 Appleman and Easy Task
CF-462/A
1000
LVL 2
brute forceimplementation
34 Bear and Raspberry
CF-385/A
1000
LVL 2
brute forcegreedyimplementation
35 Lunch Rush
CF-276/A
900
LVL 1
implementation
36 Laptops
CF-456/A
1100
LVL 3
sortings
37 Soft Drinking
CF-151/A
800
LVL 1
implementationmath
38 Playing with Dice
CF-378/A
800
LVL 1
brute force
39 Minimum Difficulty
CF-496/A
900
LVL 2
brute forceimplementationmath
40 Greg's Workout
CF-255/A
800
LVL 1
implementation
41 Counterexample
CF-483/A
1100
LVL 3
brute forceimplementationmath +1
42 Valera and X
CF-404/A
1000
LVL 2
implementation
43 Perfect Permutation
CF-233/A
800
LVL 1
implementationmath
44 Watching a movie
CF-499/A
1000
LVL 2
greedyimplementation
45 Supercentral Point
CF-165/A
1000
LVL 2
implementation
46 Roma and Lucky Numbers
CF-262/A
800
LVL 1
implementation
47 Contest
CF-501/A
900
LVL 2
implementation
48 Cut Ribbon
CF-189/A
1300
LVL 3
brute forcedp
49 TL
CF-350/A
1200
LVL 3
brute forcegreedyimplementation
50 Marks
CF-152/A
900
LVL 2
implementation
51 Colorful Stones (Simplified Edition)
CF-265/A
800
LVL 1
implementation
52 Domino
CF-353/A
1200
LVL 3
implementationmath
53 Cifera
CF-114/A
1000
LVL 3
math
54 Array
CF-300/A
1100
LVL 2
brute forceconstructive algorithmsimplementation
55 Fox and Number Game
CF-389/A
1000
LVL 3
greedymath
56 Giga Tower
CF-488/A
1100
LVL 3
brute force
57 Parallelepiped
CF-224/A
1100
LVL 2
brute forcegeometrymath
58 DZY Loves Chessboard
CF-445/A
1200
LVL 3
dfs and similarimplementation
59 Football
CF-43/A
1000
LVL 2
strings
60 Life Without Zeros
CF-75/A
1000
LVL 2
implementation
61 Yaroslav and Permutations
CF-296/A
1100
LVL 3
greedymath
62 Collecting Beats is Fun
CF-373/A
900
LVL 2
implementation
63 Levko and Table
CF-361/A
800
LVL 1
constructive algorithmsimplementation
64 Vasya and Digital Root
CF-355/A
1100
LVL 2
constructive algorithmsimplementation
65 Two Bags of Potatoes
CF-239/A
1200
LVL 3
greedyimplementationmath
66 The Child and Homework
CF-437/A
1300
LVL 3
implementation
67 Soroban
CF-363/A
800
LVL 1
implementation
68 Line to Cashier
CF-408/A
900
LVL 1
implementation
69 Lever
CF-376/A
900
LVL 2
implementationmath
70 Table
CF-359/A
1000
LVL 2
constructive algorithmsgreedyimplementation
71 Eugeny and Array
CF-302/A
800
LVL 2
implementation
72 Dima and Continuous Line
CF-358/A
1400
LVL 4
brute forceimplementation
73 Reconnaissance 2
CF-34/A
800
LVL 2
implementation
74 Help Vasilisa the Wise 2
CF-143/A
1000
LVL 2
brute forcemath
75 Comparing Strings
CF-186/A
1100
LVL 3
implementationstrings
76 Palindromic Times
CF-108/A
1000
LVL 2
implementationstrings
77 Guess a number!
CF-416/A
1400
LVL 4
greedyimplementationtwo pointers
78 Exams
CF-194/A
900
LVL 2
implementationmath
79 Card Game
CF-106/A
1000
LVL 2
implementation
80 Sockets
CF-257/A
1100
LVL 3
greedyimplementationsortings
81 Snow Footprints
CF-298/A
1300
LVL 3
greedyimplementation
82 Point on Spiral
CF-279/A
1400
LVL 4
brute forcegeometryimplementation
83 Next Test
CF-27/A
1200
LVL 3
implementationsortings
84 Rook, Bishop and King
CF-370/A
1100
LVL 3
graphsmathshortest paths
85 Sleuth
CF-49/A
800
LVL 1
implementation
86 Cows and Primitive Roots
CF-284/A
1400
LVL 4
implementationmathnumber theory
87 Funky Numbers
CF-192/A
1300
LVL 4
binary searchbrute forceimplementation
88 Bar
CF-56/A
1000
LVL 3
implementation
89 Lefthanders and Righthanders
CF-234/A
1200
LVL 4
implementation
90 Worms Evolution
CF-31/A
1200
LVL 2
implementation
91 Strange Addition
CF-305/A
1600
LVL 4
brute forceconstructive algorithmsimplementation
92 Plate Game
CF-197/A
1600
LVL 4
constructive algorithmsgamesmath
93 Shell Game
CF-35/A
1000
LVL 2
implementation
94 Chord
CF-88/A
1200
LVL 3
brute forceimplementation
95 Triangle
CF-18/A
1500
LVL 4
brute forcegeometry
96 Inna and Pink Pony
CF-374/A
2000
LVL 5
greedyimplementation
97 Nineteen
CF-393/A
—
LVL 4
98 Inna and Alarm Clock
CF-390/A
—
LVL 5
implementation
99 On Segment's Own Points
CF-397/A
—
LVL 6
implementation
100 Cinema
CF-200/A
2400
LVL 8
brute forcedata structures
ANALYTICS

Quick Stats

NEWBIE
76
PROBLEMS
PUPIL
15
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SPECIALIST
5
PROBLEMS
≥ EXPERT
4
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