Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
→ Pay attention
Before contest
Codeforces Round 941 (Div. 1)
4 days
Register now »
*has extra registration
Before contest
Codeforces Round 941 (Div. 2)
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
4A
Watermelon
brute force
,
math
800
x478832
71A
Way Too Long Words
strings
800
x351641
231A
Team
brute force
,
greedy
800
x297533
1A
Theatre Square
math
1000
x244745
282A
Bit++
implementation
800
x234622
158A
Next Round
*special problem
,
implementation
800
x231376
50A
Domino piling
greedy
,
math
800
x227605
263A
Beautiful Matrix
implementation
800
x223401
112A
Petya and Strings
implementation
,
strings
800
x208061
339A
Helpful Maths
greedy
,
implementation
,
sortings
,
strings
800
x197155
281A
Word Capitalization
implementation
,
strings
800
x195058
236A
Boy or Girl
brute force
,
implementation
,
strings
800
x192042
118A
String Task
implementation
,
strings
1000
x180485
791A
Bear and Big Brother
implementation
800
x177665
266A
Stones on the Table
implementation
800
x177006
617A
Elephant
math
800
x169058
546A
Soldier and Bananas
brute force
,
implementation
,
math
800
x166558
59A
Word
implementation
,
strings
800
x161025
69A
Young Physicist
implementation
,
math
1000
x154367
977A
Wrong Subtraction
implementation
800
x153996
96A
Football
implementation
,
strings
900
x148382
110A
Nearly Lucky Number
implementation
800
x141735
734A
Anton and Danik
implementation
,
strings
800
x139154
41A
Translation
implementation
,
strings
800
x134087
116A
Tram
implementation
800
x131438
677A
Vanya and Fence
implementation
800
x129774
271A
Beautiful Year
brute force
800
x126837
266B
Queue at the School
constructive algorithms
,
graph matchings
,
implementation
,
shortest paths
800
x126191
58A
Chat room
greedy
,
strings
1000
x121670
1030A
In Search of an Easy Problem
implementation
800
x119136
122A
Lucky Division
brute force
,
number theory
1000
x115474
467A
George and Accommodation
implementation
800
x113176
344A
Magnets
implementation
800
x111085
160A
Twins
greedy
,
sortings
900
x110332
486A
Calculating Function
implementation
,
math
800
x108774
136A
Presents
implementation
800
x108540
200B
Drinks
implementation
,
math
800
x107181
318A
Even Odds
math
900
x105636
61A
Ultra-Fast Mathematician
implementation
800
x103125
228A
Is your horseshoe on the other hoof?
implementation
800
x101378
133A
HQ9+
implementation
900
x99567
705A
Hulk
implementation
800
x98936
405A
Gravity Flip
greedy
,
implementation
,
sortings
900
x93900
1328A
Divisibility Problem
math
800
x92745
469A
I Wanna Be the Guy
greedy
,
implementation
800
x90880
520A
Pangram
implementation
,
strings
800
x89226
144A
Arrival of the General
implementation
800
x88564
479A
Expression
brute force
,
math
1000
x88229
148A
Insomnia cure
constructive algorithms
,
implementation
,
math
800
x86752
996A
Hit the Lottery
dp
,
greedy
800
x83760
580A
Kefa and First Steps
brute force
,
dp
,
implementation
900
x83592
443A
Anton and Letters
constructive algorithms
,
implementation
800
x83465
208A
Dubstep
strings
900
x83160
158B
Taxi
*special problem
,
greedy
,
implementation
1100
x82149
785A
Anton and Polyhedrons
implementation
,
strings
800
x81716
131A
cAPS lOCK
implementation
,
strings
1000
x80889
25A
IQ test
brute force
1300
x80742
268A
Games
brute force
800
x80514
1335A
Candies and Two Sisters
math
800
x78259
141A
Amusing Joke
implementation
,
sortings
,
strings
800
x77541
4C
Registration System
data structures
,
hashing
,
implementation
1300
x76640
510A
Fox And Snake
implementation
800
x76407
337A
Puzzles
greedy
900
x75259
230A
Dragons
greedy
,
sortings
1000
x73962
427A
Police Recruits
implementation
800
x72048
1352A
Sum of Round Numbers
implementation
,
math
800
x71368
492B
Vanya and Lanterns
binary search
,
implementation
,
math
,
sortings
1200
x70837
750A
New Year and Hurry
binary search
,
brute force
,
implementation
,
math
800
x70450
155A
I_love_\%username\%
brute force
800
x70306
723A
The New Year: Meeting Friends
implementation
,
math
,
sortings
800
x70275
230B
T-primes
binary search
,
implementation
,
math
,
number theory
1300
x69547
732A
Buy a Shovel
brute force
,
constructive algorithms
,
implementation
,
math
800
x66859
581A
Vasya the Hipster
implementation
,
math
800
x66808
339B
Xenia and Ringroad
implementation
1000
x66161
1154A
Restoring Three Numbers
math
800
x66059
151A
Soft Drinking
implementation
,
math
800
x65349
1742A
Sum
implementation
800
x64004
1399A
Remove Smallest
greedy
,
sortings
800
x62423
451A
Game With Sticks
implementation
900
x62388
1409A
Yet Another Two Integers Problem
greedy
,
math
800
x62222
189A
Cut Ribbon
brute force
,
dp
1300
x62178
1703A
YES or YES?
brute force
,
implementation
,
strings
800
x61991
630A
Again Twenty Five!
number theory
800
x61533
381A
Sereja and Dima
greedy
,
implementation
,
two pointers
800
x59837
1512A
Spy Detected!
brute force
,
implementation
800
x59541
466A
Cheap Travel
implementation
1200
x59252
1692A
Marathon
implementation
800
x59222
32B
Borze
expression parsing
,
implementation
800
x58343
706B
Interesting drink
binary search
,
dp
,
implementation
1100
x57962
1676A
Lucky?
implementation
800
x57538
758A
Holiday Of Equality
implementation
,
math
800
x56966
472A
Design Tutorial: Learn from Math
math
,
number theory
800
x56782
1669A
Division?
implementation
800
x56568
432A
Choosing Teams
greedy
,
implementation
,
sortings
800
x56415
579A
Raising Bacteria
bitmasks
1000
x55756
1560A
Dislike of Threes
implementation
800
x55583
490A
Team Olympiad
greedy
,
implementation
,
sortings
800
x55202
1807A
Plus or Minus
implementation
800
x55175
1475A
Odd Divisor
math
,
number theory
900
x54768
1367A
Short Substrings
implementation
,
strings
800
x54624
←
1
2
3
...
94
95
→
User lists
Name