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Custom test
Problems
#
Name
130A
Hexagonal numbers
*special problem
,
implementation
900
x2034
129A
Cookies
implementation
900
x25924
127B
Canvas Frames
implementation
1000
x10817
127A
Wasted Time
geometry
900
x12972
125B
Simple XML
implementation
1000
x3830
124A
The number of positions
math
1000
x45670
122B
Lucky Substring
brute force
,
implementation
1000
x13451
122A
Lucky Division
brute force
,
number theory
1000
x157927
120A
Elevator
brute force
,
implementation
,
math
1000
x5818
119A
Epic Game
implementation
800
x30138
118B
Present from Lena
constructive algorithms
,
implementation
1000
x35797
118A
String Task
implementation
,
strings
1000
x244535
116A
Tram
implementation
800
x188117
115A
Party
dfs and similar
,
graphs
,
trees
900
x47586
114A
Cifera
math
1000
x15423
112A
Petya and Strings
implementation
,
strings
800
x308865
110A
Nearly Lucky Number
implementation
800
x215033
109A
Lucky Sum of Digits
brute force
,
implementation
1000
x20414
108A
Palindromic Times
implementation
,
strings
1000
x10560
106B
Choosing Laptop
brute force
,
implementation
1000
x6989
106A
Card Game
implementation
1000
x8684
104A
Blackjack
implementation
800
x17667
102B
Sum of Digits
implementation
1000
x33209
99A
Help Far Away Kingdom
strings
800
x8048
96A
Football
implementation
,
strings
900
x205652
94A
Restoring Password
implementation
,
strings
900
x12771
92A
Chips
implementation
,
math
800
x22058
90A
Cableway
greedy
,
math
1000
x5724
84A
Toy Army
math
,
number theory
900
x17030
80A
Panoramix's Prediction
brute force
800
x69972
78A
Haiku
implementation
,
strings
800
x15905
75A
Life Without Zeros
implementation
1000
x30790
74A
Room Leader
implementation
1000
x6051
72G
Fibonacci army
*special problem
,
dp
1000
x3058
71A
Way Too Long Words
strings
800
x545010
69A
Young Physicist
implementation
,
math
1000
x213780
63A
Sinking Ship
implementation
,
sortings
,
strings
900
x13944
61A
Ultra-Fast Mathematician
implementation
800
x143947
59A
Word
implementation
,
strings
800
x245753
58A
Chat room
greedy
,
strings
1000
x164293
56A
Bar
implementation
1000
x9909
52A
123-sequence
implementation
900
x11172
50A
Domino piling
greedy
,
math
800
x345984
49A
Sleuth
implementation
800
x15759
48A
Rock-paper-scissors
implementation
,
schedules
900
x7545
47A
Triangular numbers
brute force
,
math
800
x18934
46A
Ball Game
brute force
,
implementation
800
x10352
45A
Codecraft III
implementation
900
x8505
44A
Indian Summer
implementation
900
x19527
43A
Football
strings
1000
x73848
41A
Translation
implementation
,
strings
800
x202998
38A
Army
implementation
800
x28135
37A
Towers
sortings
1000
x28586
35A
Shell Game
implementation
1000
x7820
34B
Sale
greedy
,
sortings
900
x70405
34A
Reconnaissance 2
implementation
800
x36385
32B
Borze
expression parsing
,
implementation
800
x84211
32A
Reconnaissance
brute force
800
x15687
29A
Spit Problem
brute force
1000
x8624
26A
Almost Prime
number theory
900
x46733
22A
Second Order Statistics
brute force
800
x28808
17A
Noldbach problem
brute force
,
math
,
number theory
1000
x23139
16B
Burglar and Matches
greedy
,
implementation
,
sortings
900
x21484
16A
Flag
implementation
800
x18308
14B
Young Photographer
implementation
1000
x8600
14A
Letter
implementation
800
x13236
13A
Numbers
implementation
,
math
1000
x9867
12A
Super Agent
implementation
800
x16272
11A
Increasing Sequence
constructive algorithms
,
implementation
,
math
900
x16324
10A
Power Consumption Calculation
implementation
900
x8786
9A
Die Roll
math
,
probabilities
800
x74056
6A
Triangle
brute force
,
geometry
900
x24110
5A
Chat Servers Outgoing Traffic
implementation
1000
x11765
4A
Watermelon
brute force
,
math
800
x750100
3A
Shortest path of the king
greedy
,
shortest paths
1000
x23169
1A
Theatre Square
math
1000
x339129
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