Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
→ Pay attention
Before contest
CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!)
4 days
Register now »
*has extra registration
→ Filter Problems
Difficulty:
—
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
Add tag
Main
acmsguru
|
Problems
Submit
Status
Standings
Custom test
Problems
#
Name
1829A
Love Story
implementation
,
strings
800
x46249
1360B
Honest Coach
greedy
,
sortings
800
x46255
1343A
Candies
brute force
,
math
900
x46431
707A
Brain's Photos
implementation
800
x46533
1535A
Fair Playoff
brute force
,
implementation
800
x46623
1475B
New Year's Number
brute force
,
dp
,
math
900
x46648
489B
BerSU Ball
dfs and similar
,
dp
,
graph matchings
,
greedy
,
sortings
,
two pointers
1200
x46759
749A
Bachgold Problem
greedy
,
implementation
,
math
,
number theory
800
x46770
1283A
Minutes Before the New Year
math
800
x46824
492A
Vanya and Cubes
implementation
800
x46993
1722A
Spell Check
implementation
800
x47248
1353B
Two Arrays And Swaps
greedy
,
sortings
800
x47694
1472B
Fair Division
dp
,
greedy
,
math
800
x47723
279B
Books
binary search
,
brute force
,
implementation
,
two pointers
1400
x48156
520B
Two Buttons
dfs and similar
,
graphs
,
greedy
,
implementation
,
math
,
shortest paths
1400
x48162
1360A
Minimal Square
greedy
,
math
800
x48213
1551A
Polycarp and Coins
greedy
,
math
800
x48621
1619A
Square String?
implementation
,
strings
800
x48714
34B
Sale
greedy
,
sortings
900
x48994
1370A
Maximum GCD
greedy
,
implementation
,
math
,
number theory
800
x49095
1873A
Short Sort
brute force
,
implementation
800
x49182
363B
Fence
brute force
,
dp
1100
x49430
1433A
Boring Apartments
implementation
,
math
800
x49509
1520A
Do Not Be Distracted!
brute force
,
implementation
800
x49862
80A
Panoramix's Prediction
brute force
800
x49878
1624A
Plus One on the Subset
math
800
x49941
1915A
Odd One Out
bitmasks
,
implementation
800
x50266
1352C
K-th Not Divisible by n
binary search
,
math
1200
x50357
500A
New Year Transportation
dfs and similar
,
graphs
,
implementation
1000
x50442
1367B
Even Array
greedy
,
math
800
x50551
1374A
Required Remainder
math
800
x50822
1850A
To My Critics
implementation
,
sortings
800
x51575
431A
Black Square
implementation
800
x51763
43A
Football
strings
1000
x52429
9A
Die Roll
math
,
probabilities
800
x52889
703A
Mishka and Game
implementation
800
x53794
313A
Ilya and Bank Account
implementation
,
number theory
900
x53802
1343B
Balanced Array
constructive algorithms
,
math
800
x53876
1760A
Medium Number
implementation
,
sortings
800
x54272
455A
Boredom
dp
1500
x54576
1367A
Short Substrings
implementation
,
strings
800
x55026
1791A
Codeforces Checking
implementation
,
strings
800
x55474
1475A
Odd Divisor
math
,
number theory
900
x55669
490A
Team Olympiad
greedy
,
implementation
,
sortings
800
x55810
1560A
Dislike of Threes
implementation
800
x56178
1807A
Plus or Minus
implementation
800
x56330
579A
Raising Bacteria
bitmasks
1000
x56649
432A
Choosing Teams
greedy
,
implementation
,
sortings
800
x56872
472A
Design Tutorial: Learn from Math
math
,
number theory
800
x57217
758A
Holiday Of Equality
implementation
,
math
800
x57605
1669A
Division?
implementation
800
x57629
1676A
Lucky?
implementation
800
x58476
706B
Interesting drink
binary search
,
dp
,
implementation
1100
x58707
32B
Borze
expression parsing
,
implementation
800
x59168
466A
Cheap Travel
implementation
1200
x59857
1512A
Spy Detected!
brute force
,
implementation
800
x60243
1692A
Marathon
implementation
800
x60382
381A
Sereja and Dima
greedy
,
implementation
,
two pointers
800
x60770
630A
Again Twenty Five!
number theory
800
x62413
1409A
Yet Another Two Integers Problem
greedy
,
math
800
x62783
451A
Game With Sticks
implementation
900
x62928
189A
Cut Ribbon
brute force
,
dp
1300
x63000
1399A
Remove Smallest
greedy
,
sortings
800
x63046
1703A
YES or YES?
brute force
,
implementation
,
strings
800
x63343
1742A
Sum
implementation
800
x65285
151A
Soft Drinking
implementation
,
math
800
x66292
339B
Xenia and Ringroad
implementation
1000
x66655
1154A
Restoring Three Numbers
math
800
x66703
581A
Vasya the Hipster
implementation
,
math
800
x67442
732A
Buy a Shovel
brute force
,
constructive algorithms
,
implementation
,
math
800
x67723
230B
T-primes
binary search
,
implementation
,
math
,
number theory
1300
x70348
155A
I_love_\%username\%
brute force
800
x70931
750A
New Year and Hurry
binary search
,
brute force
,
implementation
,
math
800
x71296
723A
The New Year: Meeting Friends
implementation
,
math
,
sortings
800
x71302
492B
Vanya and Lanterns
binary search
,
implementation
,
math
,
sortings
1200
x71496
1352A
Sum of Round Numbers
implementation
,
math
800
x72570
427A
Police Recruits
implementation
800
x72893
230A
Dragons
greedy
,
sortings
1000
x74690
337A
Puzzles
greedy
900
x75857
510A
Fox And Snake
implementation
800
x77540
4C
Registration System
data structures
,
hashing
,
implementation
1300
x77584
141A
Amusing Joke
implementation
,
sortings
,
strings
800
x78258
1335A
Candies and Two Sisters
math
800
x79099
268A
Games
brute force
800
x81362
131A
cAPS lOCK
implementation
,
strings
1000
x81562
25A
IQ test
brute force
1300
x81573
785A
Anton and Polyhedrons
implementation
,
strings
800
x82729
158B
Taxi
*special problem
,
greedy
,
implementation
1100
x82738
208A
Dubstep
strings
900
x84000
580A
Kefa and First Steps
brute force
,
dp
,
implementation
900
x84314
443A
Anton and Letters
constructive algorithms
,
implementation
800
x84385
996A
Hit the Lottery
dp
,
greedy
800
x84787
148A
Insomnia cure
constructive algorithms
,
implementation
,
math
800
x87543
479A
Expression
brute force
,
math
1000
x89213
144A
Arrival of the General
implementation
800
x89489
520A
Pangram
implementation
,
strings
800
x90360
469A
I Wanna Be the Guy
greedy
,
implementation
800
x91834
1328A
Divisibility Problem
math
800
x93990
405A
Gravity Flip
greedy
,
implementation
,
sortings
900
x94943
705A
Hulk
implementation
800
x99927
←
1
2
...
93
94
95
96
→
User lists
Name