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Custom test
Problems
#
Name
4A
Watermelon
brute force
,
math
800
x483845
71A
Way Too Long Words
strings
800
x355286
231A
Team
brute force
,
greedy
800
x300730
1A
Theatre Square
math
1000
x246590
282A
Bit++
implementation
800
x237581
158A
Next Round
*special problem
,
implementation
800
x233373
50A
Domino piling
greedy
,
math
800
x229696
263A
Beautiful Matrix
implementation
800
x225765
112A
Petya and Strings
implementation
,
strings
800
x210075
339A
Helpful Maths
greedy
,
implementation
,
sortings
,
strings
800
x199130
281A
Word Capitalization
implementation
,
strings
800
x196972
236A
Boy or Girl
brute force
,
implementation
,
strings
800
x194249
118A
String Task
implementation
,
strings
1000
x181861
791A
Bear and Big Brother
implementation
800
x179839
266A
Stones on the Table
implementation
800
x178775
617A
Elephant
math
800
x170961
546A
Soldier and Bananas
brute force
,
implementation
,
math
800
x168534
59A
Word
implementation
,
strings
800
x162929
977A
Wrong Subtraction
implementation
800
x155651
69A
Young Physicist
implementation
,
math
1000
x155624
96A
Football
implementation
,
strings
900
x149655
110A
Nearly Lucky Number
implementation
800
x143182
734A
Anton and Danik
implementation
,
strings
800
x140895
41A
Translation
implementation
,
strings
800
x135567
116A
Tram
implementation
800
x132618
677A
Vanya and Fence
implementation
800
x131291
271A
Beautiful Year
brute force
800
x128217
266B
Queue at the School
constructive algorithms
,
graph matchings
,
implementation
,
shortest paths
800
x127272
58A
Chat room
greedy
,
strings
1000
x122637
1030A
In Search of an Easy Problem
implementation
800
x120554
122A
Lucky Division
brute force
,
number theory
1000
x116527
467A
George and Accommodation
implementation
800
x114267
344A
Magnets
implementation
800
x112311
160A
Twins
greedy
,
sortings
900
x111235
486A
Calculating Function
implementation
,
math
800
x109856
136A
Presents
implementation
800
x109595
200B
Drinks
implementation
,
math
800
x108268
318A
Even Odds
math
900
x106622
61A
Ultra-Fast Mathematician
implementation
800
x104018
228A
Is your horseshoe on the other hoof?
implementation
800
x102424
133A
HQ9+
implementation
900
x100305
705A
Hulk
implementation
800
x99790
405A
Gravity Flip
greedy
,
implementation
,
sortings
900
x94807
1328A
Divisibility Problem
math
800
x93802
469A
I Wanna Be the Guy
greedy
,
implementation
800
x91709
520A
Pangram
implementation
,
strings
800
x90210
144A
Arrival of the General
implementation
800
x89346
479A
Expression
brute force
,
math
1000
x89021
148A
Insomnia cure
constructive algorithms
,
implementation
,
math
800
x87413
996A
Hit the Lottery
dp
,
greedy
800
x84624
443A
Anton and Letters
constructive algorithms
,
implementation
800
x84288
580A
Kefa and First Steps
brute force
,
dp
,
implementation
900
x84189
208A
Dubstep
strings
900
x83884
158B
Taxi
*special problem
,
greedy
,
implementation
1100
x82648
785A
Anton and Polyhedrons
implementation
,
strings
800
x82596
131A
cAPS lOCK
implementation
,
strings
1000
x81473
25A
IQ test
brute force
1300
x81441
268A
Games
brute force
800
x81243
1335A
Candies and Two Sisters
math
800
x78981
141A
Amusing Joke
implementation
,
sortings
,
strings
800
x78157
4C
Registration System
data structures
,
hashing
,
implementation
1300
x77491
510A
Fox And Snake
implementation
800
x77407
337A
Puzzles
greedy
900
x75779
230A
Dragons
greedy
,
sortings
1000
x74574
427A
Police Recruits
implementation
800
x72776
1352A
Sum of Round Numbers
implementation
,
math
800
x72413
492B
Vanya and Lanterns
binary search
,
implementation
,
math
,
sortings
1200
x71393
750A
New Year and Hurry
binary search
,
brute force
,
implementation
,
math
800
x71157
723A
The New Year: Meeting Friends
implementation
,
math
,
sortings
800
x71124
155A
I_love_\%username\%
brute force
800
x70814
230B
T-primes
binary search
,
implementation
,
math
,
number theory
1300
x70223
732A
Buy a Shovel
brute force
,
constructive algorithms
,
implementation
,
math
800
x67593
581A
Vasya the Hipster
implementation
,
math
800
x67361
1154A
Restoring Three Numbers
math
800
x66604
339B
Xenia and Ringroad
implementation
1000
x66579
151A
Soft Drinking
implementation
,
math
800
x66109
1742A
Sum
implementation
800
x65116
1703A
YES or YES?
brute force
,
implementation
,
strings
800
x63156
1399A
Remove Smallest
greedy
,
sortings
800
x62947
189A
Cut Ribbon
brute force
,
dp
1300
x62917
451A
Game With Sticks
implementation
900
x62859
1409A
Yet Another Two Integers Problem
greedy
,
math
800
x62687
630A
Again Twenty Five!
number theory
800
x62261
381A
Sereja and Dima
greedy
,
implementation
,
two pointers
800
x60666
1692A
Marathon
implementation
800
x60237
1512A
Spy Detected!
brute force
,
implementation
800
x60153
466A
Cheap Travel
implementation
1200
x59755
32B
Borze
expression parsing
,
implementation
800
x59047
706B
Interesting drink
binary search
,
dp
,
implementation
1100
x58625
1676A
Lucky?
implementation
800
x58335
758A
Holiday Of Equality
implementation
,
math
800
x57527
1669A
Division?
implementation
800
x57475
472A
Design Tutorial: Learn from Math
math
,
number theory
800
x57145
432A
Choosing Teams
greedy
,
implementation
,
sortings
800
x56797
579A
Raising Bacteria
bitmasks
1000
x56526
1807A
Plus or Minus
implementation
800
x56176
1560A
Dislike of Threes
implementation
800
x56087
490A
Team Olympiad
greedy
,
implementation
,
sortings
800
x55725
1475A
Odd Divisor
math
,
number theory
900
x55502
1791A
Codeforces Checking
implementation
,
strings
800
x55333
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2 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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