Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
→ Pay attention
Contest is running
2023 Post World Finals Online ICPC Challenge powered by Huawei
9 days
Register now »
→ 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
80A
Panoramix's Prediction
brute force
800
x49636
1520A
Do Not Be Distracted!
brute force
,
implementation
800
x49700
1915A
Odd One Out
bitmasks
,
implementation
800
x49780
1624A
Plus One on the Subset
math
800
x49816
1352C
K-th Not Divisible by n
binary search
,
math
1200
x50018
500A
New Year Transportation
dfs and similar
,
graphs
,
implementation
1000
x50277
1367B
Even Array
greedy
,
math
800
x50335
1374A
Required Remainder
math
800
x50637
1850A
To My Critics
implementation
,
sortings
800
x51179
431A
Black Square
implementation
800
x51538
43A
Football
strings
1000
x52172
9A
Die Roll
math
,
probabilities
800
x52593
703A
Mishka and Game
implementation
800
x53598
313A
Ilya and Bank Account
implementation
,
number theory
900
x53637
1343B
Balanced Array
constructive algorithms
,
math
800
x53715
1760A
Medium Number
implementation
,
sortings
800
x53888
455A
Boredom
dp
1500
x54266
1367A
Short Substrings
implementation
,
strings
800
x54887
1791A
Codeforces Checking
implementation
,
strings
800
x55092
1475A
Odd Divisor
math
,
number theory
900
x55279
490A
Team Olympiad
greedy
,
implementation
,
sortings
800
x55594
1807A
Plus or Minus
implementation
800
x55856
1560A
Dislike of Threes
implementation
800
x55944
579A
Raising Bacteria
bitmasks
1000
x56341
432A
Choosing Teams
greedy
,
implementation
,
sortings
800
x56697
472A
Design Tutorial: Learn from Math
math
,
number theory
800
x57038
1669A
Division?
implementation
800
x57257
758A
Holiday Of Equality
implementation
,
math
800
x57363
1676A
Lucky?
implementation
800
x58115
706B
Interesting drink
binary search
,
dp
,
implementation
1100
x58462
32B
Borze
expression parsing
,
implementation
800
x58828
466A
Cheap Travel
implementation
1200
x59615
1692A
Marathon
implementation
800
x59990
1512A
Spy Detected!
brute force
,
implementation
800
x60002
381A
Sereja and Dima
greedy
,
implementation
,
two pointers
800
x60464
630A
Again Twenty Five!
number theory
800
x62058
1409A
Yet Another Two Integers Problem
greedy
,
math
800
x62553
189A
Cut Ribbon
brute force
,
dp
1300
x62598
451A
Game With Sticks
implementation
900
x62694
1399A
Remove Smallest
greedy
,
sortings
800
x62822
1703A
YES or YES?
brute force
,
implementation
,
strings
800
x62839
1742A
Sum
implementation
800
x64809
151A
Soft Drinking
implementation
,
math
800
x65868
1154A
Restoring Three Numbers
math
800
x66437
339B
Xenia and Ringroad
implementation
1000
x66441
581A
Vasya the Hipster
implementation
,
math
800
x67219
732A
Buy a Shovel
brute force
,
constructive algorithms
,
implementation
,
math
800
x67391
230B
T-primes
binary search
,
implementation
,
math
,
number theory
1300
x69920
155A
I_love_\%username\%
brute force
800
x70649
723A
The New Year: Meeting Friends
implementation
,
math
,
sortings
800
x70876
750A
New Year and Hurry
binary search
,
brute force
,
implementation
,
math
800
x70952
492B
Vanya and Lanterns
binary search
,
implementation
,
math
,
sortings
1200
x71224
1352A
Sum of Round Numbers
implementation
,
math
800
x72104
427A
Police Recruits
implementation
800
x72577
230A
Dragons
greedy
,
sortings
1000
x74413
337A
Puzzles
greedy
900
x75635
510A
Fox And Snake
implementation
800
x77147
4C
Registration System
data structures
,
hashing
,
implementation
1300
x77281
141A
Amusing Joke
implementation
,
sortings
,
strings
800
x77969
1335A
Candies and Two Sisters
math
800
x78737
268A
Games
brute force
800
x81035
25A
IQ test
brute force
1300
x81226
131A
cAPS lOCK
implementation
,
strings
1000
x81295
785A
Anton and Polyhedrons
implementation
,
strings
800
x82343
158B
Taxi
*special problem
,
greedy
,
implementation
1100
x82504
208A
Dubstep
strings
900
x83664
580A
Kefa and First Steps
brute force
,
dp
,
implementation
900
x83998
443A
Anton and Letters
constructive algorithms
,
implementation
800
x84055
996A
Hit the Lottery
dp
,
greedy
800
x84332
148A
Insomnia cure
constructive algorithms
,
implementation
,
math
800
x87202
479A
Expression
brute force
,
math
1000
x88777
144A
Arrival of the General
implementation
800
x89118
520A
Pangram
implementation
,
strings
800
x89959
469A
I Wanna Be the Guy
greedy
,
implementation
800
x91502
1328A
Divisibility Problem
math
800
x93515
405A
Gravity Flip
greedy
,
implementation
,
sortings
900
x94582
705A
Hulk
implementation
800
x99550
133A
HQ9+
implementation
900
x100109
228A
Is your horseshoe on the other hoof?
implementation
800
x102132
61A
Ultra-Fast Mathematician
implementation
800
x103760
318A
Even Odds
math
900
x106341
200B
Drinks
implementation
,
math
800
x107953
136A
Presents
implementation
800
x109293
486A
Calculating Function
implementation
,
math
800
x109552
160A
Twins
greedy
,
sortings
900
x110975
344A
Magnets
implementation
800
x111985
467A
George and Accommodation
implementation
800
x113951
122A
Lucky Division
brute force
,
number theory
1000
x116222
1030A
In Search of an Easy Problem
implementation
800
x120201
58A
Chat room
greedy
,
strings
1000
x122353
266B
Queue at the School
constructive algorithms
,
graph matchings
,
implementation
,
shortest paths
800
x126972
271A
Beautiful Year
brute force
800
x127789
677A
Vanya and Fence
implementation
800
x130897
116A
Tram
implementation
800
x132299
41A
Translation
implementation
,
strings
800
x135152
734A
Anton and Danik
implementation
,
strings
800
x140477
110A
Nearly Lucky Number
implementation
800
x142766
96A
Football
implementation
,
strings
900
x149277
977A
Wrong Subtraction
implementation
800
x155196
69A
Young Physicist
implementation
,
math
1000
x155256
←
1
2
...
93
94
95
96
→
User lists
Name