Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
→ Pay attention
Before contest
Codeforces Round 950 (Div. 3)
41:31:12
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
127B
Canvas Frames
implementation
1000
x8249
127A
Wasted Time
geometry
900
x10789
125B
Simple XML
implementation
1000
x2773
124A
The number of positions
math
1000
x36557
122B
Lucky Substring
brute force
,
implementation
1000
x12039
122A
Lucky Division
brute force
,
number theory
1000
x117161
120A
Elevator
brute force
,
implementation
,
math
1000
x4510
119A
Epic Game
implementation
800
x26969
118B
Present from Lena
constructive algorithms
,
implementation
1000
x28612
118A
String Task
implementation
,
strings
1000
x182780
116A
Tram
implementation
800
x133405
115A
Party
dfs and similar
,
graphs
,
trees
900
x33028
114A
Cifera
math
1000
x13893
112A
Petya and Strings
implementation
,
strings
800
x211305
110A
Nearly Lucky Number
implementation
800
x144206
109A
Lucky Sum of Digits
brute force
,
implementation
1000
x16728
108A
Palindromic Times
implementation
,
strings
1000
x9209
106B
Choosing Laptop
brute force
,
implementation
1000
x5951
106A
Card Game
implementation
1000
x7438
104A
Blackjack
implementation
800
x14899
102B
Sum of Digits
implementation
1000
x24805
99A
Help Far Away Kingdom
strings
800
x6533
96A
Football
implementation
,
strings
900
x150438
94A
Restoring Password
implementation
,
strings
900
x10186
92A
Chips
implementation
,
math
800
x18280
90A
Cableway
greedy
,
math
1000
x4529
84A
Toy Army
math
,
number theory
900
x14629
80A
Panoramix's Prediction
brute force
800
x50103
78A
Haiku
implementation
,
strings
800
x12024
75A
Life Without Zeros
implementation
1000
x25127
74A
Room Leader
implementation
1000
x4951
72G
Fibonacci army
*special problem
,
dp
1000
x2055
71A
Way Too Long Words
strings
800
x357783
69A
Young Physicist
implementation
,
math
1000
x156438
63A
Sinking Ship
implementation
,
sortings
,
strings
900
x10935
61A
Ultra-Fast Mathematician
implementation
800
x104581
59A
Word
implementation
,
strings
800
x163948
58A
Chat room
greedy
,
strings
1000
x123285
56A
Bar
implementation
1000
x8361
52A
123-sequence
implementation
900
x8352
50A
Domino piling
greedy
,
math
800
x231097
49A
Sleuth
implementation
800
x12975
48A
Rock-paper-scissors
implementation
,
schedules
900
x5721
47A
Triangular numbers
brute force
,
math
800
x14403
46A
Ball Game
brute force
,
implementation
800
x8413
45A
Codecraft III
implementation
900
x6396
44A
Indian Summer
implementation
900
x9580
43A
Football
strings
1000
x52731
41A
Translation
implementation
,
strings
800
x136427
38A
Army
implementation
800
x20617
37A
Towers
sortings
1000
x23692
35A
Shell Game
implementation
1000
x6639
34B
Sale
greedy
,
sortings
900
x49240
34A
Reconnaissance 2
implementation
800
x28659
32B
Borze
expression parsing
,
implementation
800
x59456
32A
Reconnaissance
brute force
800
x12060
29A
Spit Problem
brute force
1000
x6860
26A
Almost Prime
number theory
900
x28905
22A
Second Order Statistics
brute force
800
x21054
17A
Noldbach problem
brute force
,
math
,
number theory
1000
x15252
16B
Burglar and Matches
greedy
,
implementation
,
sortings
900
x17026
16A
Flag
implementation
800
x13679
14B
Young Photographer
implementation
1000
x6711
14A
Letter
implementation
800
x10119
13A
Numbers
implementation
,
math
1000
x7396
12A
Super Agent
implementation
800
x12450
11A
Increasing Sequence
constructive algorithms
,
implementation
,
math
900
x12544
10A
Power Consumption Calculation
implementation
900
x6754
9A
Die Roll
math
,
probabilities
800
x53139
6A
Triangle
brute force
,
geometry
900
x19182
5A
Chat Servers Outgoing Traffic
implementation
1000
x9303
4A
Watermelon
brute force
,
math
800
x486823
3A
Shortest path of the king
greedy
,
shortest paths
1000
x18647
1A
Theatre Square
math
1000
x247893
←
1
2
...
13
14
15
→
User lists
Name