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Custom test
Problems
#
Name
4A
Watermelon
brute force
,
math
800
x484973
71A
Way Too Long Words
strings
800
x356324
231A
Team
brute force
,
greedy
800
x301517
1A
Theatre Square
math
1000
x247047
282A
Bit++
implementation
800
x238344
158A
Next Round
*special problem
,
implementation
800
x233946
50A
Domino piling
greedy
,
math
800
x230210
263A
Beautiful Matrix
implementation
800
x226507
112A
Petya and Strings
implementation
,
strings
800
x210577
339A
Helpful Maths
greedy
,
implementation
,
sortings
,
strings
800
x199660
281A
Word Capitalization
implementation
,
strings
800
x197489
236A
Boy or Girl
brute force
,
implementation
,
strings
800
x194785
118A
String Task
implementation
,
strings
1000
x182244
791A
Bear and Big Brother
implementation
800
x180389
266A
Stones on the Table
implementation
800
x179182
617A
Elephant
math
800
x171445
546A
Soldier and Bananas
brute force
,
implementation
,
math
800
x168982
59A
Word
implementation
,
strings
800
x163359
977A
Wrong Subtraction
implementation
800
x156093
69A
Young Physicist
implementation
,
math
1000
x155967
96A
Football
implementation
,
strings
900
x149978
110A
Nearly Lucky Number
implementation
800
x143615
734A
Anton and Danik
implementation
,
strings
800
x141259
41A
Translation
implementation
,
strings
800
x135925
116A
Tram
implementation
800
x132928
677A
Vanya and Fence
implementation
800
x131608
271A
Beautiful Year
brute force
800
x128549
266B
Queue at the School
constructive algorithms
,
graph matchings
,
implementation
,
shortest paths
800
x127527
58A
Chat room
greedy
,
strings
1000
x122874
1030A
In Search of an Easy Problem
implementation
800
x120871
122A
Lucky Division
brute force
,
number theory
1000
x116789
467A
George and Accommodation
implementation
800
x114515
344A
Magnets
implementation
800
x112561
160A
Twins
greedy
,
sortings
900
x111451
486A
Calculating Function
implementation
,
math
800
x110121
136A
Presents
implementation
800
x109861
200B
Drinks
implementation
,
math
800
x108543
318A
Even Odds
math
900
x106895
61A
Ultra-Fast Mathematician
implementation
800
x104255
228A
Is your horseshoe on the other hoof?
implementation
800
x102667
133A
HQ9+
implementation
900
x100489
705A
Hulk
implementation
800
x99982
405A
Gravity Flip
greedy
,
implementation
,
sortings
900
x95005
1328A
Divisibility Problem
math
800
x94067
469A
I Wanna Be the Guy
greedy
,
implementation
800
x91880
520A
Pangram
implementation
,
strings
800
x90426
144A
Arrival of the General
implementation
800
x89562
479A
Expression
brute force
,
math
1000
x89283
148A
Insomnia cure
constructive algorithms
,
implementation
,
math
800
x87607
996A
Hit the Lottery
dp
,
greedy
800
x84859
443A
Anton and Letters
constructive algorithms
,
implementation
800
x84446
580A
Kefa and First Steps
brute force
,
dp
,
implementation
900
x84373
208A
Dubstep
strings
900
x84057
785A
Anton and Polyhedrons
implementation
,
strings
800
x82804
158B
Taxi
*special problem
,
greedy
,
implementation
1100
x82776
25A
IQ test
brute force
1300
x81631
131A
cAPS lOCK
implementation
,
strings
1000
x81612
268A
Games
brute force
800
x81417
1335A
Candies and Two Sisters
math
800
x79193
141A
Amusing Joke
implementation
,
sortings
,
strings
800
x78310
4C
Registration System
data structures
,
hashing
,
implementation
1300
x77698
510A
Fox And Snake
implementation
800
x77623
337A
Puzzles
greedy
900
x75907
230A
Dragons
greedy
,
sortings
1000
x74749
427A
Police Recruits
implementation
800
x72934
1352A
Sum of Round Numbers
implementation
,
math
800
x72650
492B
Vanya and Lanterns
binary search
,
implementation
,
math
,
sortings
1200
x71539
723A
The New Year: Meeting Friends
implementation
,
math
,
sortings
800
x71403
750A
New Year and Hurry
binary search
,
brute force
,
implementation
,
math
800
x71341
155A
I_love_\%username\%
brute force
800
x70993
230B
T-primes
binary search
,
implementation
,
math
,
number theory
1300
x70410
732A
Buy a Shovel
brute force
,
constructive algorithms
,
implementation
,
math
800
x67771
581A
Vasya the Hipster
implementation
,
math
800
x67494
1154A
Restoring Three Numbers
math
800
x66754
339B
Xenia and Ringroad
implementation
1000
x66702
151A
Soft Drinking
implementation
,
math
800
x66383
1742A
Sum
implementation
800
x65358
1703A
YES or YES?
brute force
,
implementation
,
strings
800
x63422
1399A
Remove Smallest
greedy
,
sortings
800
x63082
189A
Cut Ribbon
brute force
,
dp
1300
x63057
451A
Game With Sticks
implementation
900
x62966
1409A
Yet Another Two Integers Problem
greedy
,
math
800
x62829
630A
Again Twenty Five!
number theory
800
x62453
381A
Sereja and Dima
greedy
,
implementation
,
two pointers
800
x60823
1692A
Marathon
implementation
800
x60428
1512A
Spy Detected!
brute force
,
implementation
800
x60289
466A
Cheap Travel
implementation
1200
x59897
32B
Borze
expression parsing
,
implementation
800
x59225
706B
Interesting drink
binary search
,
dp
,
implementation
1100
x58747
1676A
Lucky?
implementation
800
x58543
1669A
Division?
implementation
800
x57683
758A
Holiday Of Equality
implementation
,
math
800
x57641
472A
Design Tutorial: Learn from Math
math
,
number theory
800
x57251
432A
Choosing Teams
greedy
,
implementation
,
sortings
800
x56904
579A
Raising Bacteria
bitmasks
1000
x56703
1807A
Plus or Minus
implementation
800
x56408
1560A
Dislike of Threes
implementation
800
x56227
490A
Team Olympiad
greedy
,
implementation
,
sortings
800
x55856
1475A
Odd Divisor
math
,
number theory
900
x55743
1791A
Codeforces Checking
implementation
,
strings
800
x55537
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2-sat
binary search
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data structures
dfs and similar
divide and conquer
dp
dsu
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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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