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Custom test
Problems
#
Name
4A
Watermelon
brute force
,
math
800
x485782
71A
Way Too Long Words
strings
800
x356973
231A
Team
brute force
,
greedy
800
x302022
1A
Theatre Square
math
1000
x247521
282A
Bit++
implementation
800
x238877
158A
Next Round
*special problem
,
implementation
800
x234254
50A
Domino piling
greedy
,
math
800
x230673
263A
Beautiful Matrix
implementation
800
x226978
112A
Petya and Strings
implementation
,
strings
800
x210913
339A
Helpful Maths
greedy
,
implementation
,
sortings
,
strings
800
x199968
281A
Word Capitalization
implementation
,
strings
800
x197803
236A
Boy or Girl
brute force
,
implementation
,
strings
800
x195126
118A
String Task
implementation
,
strings
1000
x182477
791A
Bear and Big Brother
implementation
800
x180714
266A
Stones on the Table
implementation
800
x179434
617A
Elephant
math
800
x171740
546A
Soldier and Bananas
brute force
,
implementation
,
math
800
x169252
59A
Word
implementation
,
strings
800
x163629
977A
Wrong Subtraction
implementation
800
x156398
69A
Young Physicist
implementation
,
math
1000
x156181
96A
Football
implementation
,
strings
900
x150190
110A
Nearly Lucky Number
implementation
800
x143856
734A
Anton and Danik
implementation
,
strings
800
x141458
41A
Translation
implementation
,
strings
800
x136140
116A
Tram
implementation
800
x133136
677A
Vanya and Fence
implementation
800
x131821
271A
Beautiful Year
brute force
800
x128750
266B
Queue at the School
constructive algorithms
,
graph matchings
,
implementation
,
shortest paths
800
x127694
58A
Chat room
greedy
,
strings
1000
x123043
1030A
In Search of an Easy Problem
implementation
800
x121099
122A
Lucky Division
brute force
,
number theory
1000
x116939
467A
George and Accommodation
implementation
800
x114678
344A
Magnets
implementation
800
x112717
160A
Twins
greedy
,
sortings
900
x111591
486A
Calculating Function
implementation
,
math
800
x110284
136A
Presents
implementation
800
x110033
200B
Drinks
implementation
,
math
800
x108691
318A
Even Odds
math
900
x107065
61A
Ultra-Fast Mathematician
implementation
800
x104394
228A
Is your horseshoe on the other hoof?
implementation
800
x102839
133A
HQ9+
implementation
900
x100623
705A
Hulk
implementation
800
x100138
405A
Gravity Flip
greedy
,
implementation
,
sortings
900
x95134
1328A
Divisibility Problem
math
800
x94366
469A
I Wanna Be the Guy
greedy
,
implementation
800
x92026
520A
Pangram
implementation
,
strings
800
x90549
144A
Arrival of the General
implementation
800
x89731
479A
Expression
brute force
,
math
1000
x89425
148A
Insomnia cure
constructive algorithms
,
implementation
,
math
800
x87720
996A
Hit the Lottery
dp
,
greedy
800
x84972
443A
Anton and Letters
constructive algorithms
,
implementation
800
x84564
580A
Kefa and First Steps
brute force
,
dp
,
implementation
900
x84519
208A
Dubstep
strings
900
x84166
785A
Anton and Polyhedrons
implementation
,
strings
800
x82960
158B
Taxi
*special problem
,
greedy
,
implementation
1100
x82880
25A
IQ test
brute force
1300
x81753
131A
cAPS lOCK
implementation
,
strings
1000
x81696
268A
Games
brute force
800
x81533
1335A
Candies and Two Sisters
math
800
x79312
141A
Amusing Joke
implementation
,
sortings
,
strings
800
x78409
4C
Registration System
data structures
,
hashing
,
implementation
1300
x77828
510A
Fox And Snake
implementation
800
x77772
337A
Puzzles
greedy
900
x75992
230A
Dragons
greedy
,
sortings
1000
x74855
427A
Police Recruits
implementation
800
x73057
1352A
Sum of Round Numbers
implementation
,
math
800
x72828
492B
Vanya and Lanterns
binary search
,
implementation
,
math
,
sortings
1200
x71653
723A
The New Year: Meeting Friends
implementation
,
math
,
sortings
800
x71602
750A
New Year and Hurry
binary search
,
brute force
,
implementation
,
math
800
x71434
155A
I_love_\%username\%
brute force
800
x71096
230B
T-primes
binary search
,
implementation
,
math
,
number theory
1300
x70545
732A
Buy a Shovel
brute force
,
constructive algorithms
,
implementation
,
math
800
x67886
581A
Vasya the Hipster
implementation
,
math
800
x67579
1154A
Restoring Three Numbers
math
800
x66865
339B
Xenia and Ringroad
implementation
1000
x66774
151A
Soft Drinking
implementation
,
math
800
x66552
1742A
Sum
implementation
800
x65534
1703A
YES or YES?
brute force
,
implementation
,
strings
800
x63559
1399A
Remove Smallest
greedy
,
sortings
800
x63171
189A
Cut Ribbon
brute force
,
dp
1300
x63156
451A
Game With Sticks
implementation
900
x63026
1409A
Yet Another Two Integers Problem
greedy
,
math
800
x62919
630A
Again Twenty Five!
number theory
800
x62574
381A
Sereja and Dima
greedy
,
implementation
,
two pointers
800
x60935
1692A
Marathon
implementation
800
x60556
1512A
Spy Detected!
brute force
,
implementation
800
x60375
466A
Cheap Travel
implementation
1200
x59996
32B
Borze
expression parsing
,
implementation
800
x59315
706B
Interesting drink
binary search
,
dp
,
implementation
1100
x58837
1676A
Lucky?
implementation
800
x58671
1669A
Division?
implementation
800
x57827
758A
Holiday Of Equality
implementation
,
math
800
x57722
472A
Design Tutorial: Learn from Math
math
,
number theory
800
x57316
432A
Choosing Teams
greedy
,
implementation
,
sortings
800
x56959
579A
Raising Bacteria
bitmasks
1000
x56826
1807A
Plus or Minus
implementation
800
x56525
1560A
Dislike of Threes
implementation
800
x56307
490A
Team Olympiad
greedy
,
implementation
,
sortings
800
x55933
1475A
Odd Divisor
math
,
number theory
900
x55870
1791A
Codeforces Checking
implementation
,
strings
800
x55661
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3 days
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combine-tags-by-or
*combine tags by OR
2-sat
binary search
bitmasks
brute force
chinese remainder theorem
combinatorics
constructive algorithms
data structures
dfs and similar
divide and conquer
dp
dsu
expression parsing
fft
flows
games
geometry
graph matchings
graphs
greedy
hashing
implementation
interactive
math
matrices
meet-in-the-middle
number theory
probabilities
schedules
shortest paths
sortings
string suffix structures
strings
ternary search
trees
two pointers
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