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Random
Hot problems
CCC '04 S4 - Space Turtle
Educational DP Contest AtCoder L - Deque
NOI '15 P2 - Software Package Manager
IOI '04 P4 - Phidias
A Game
Knapsack 4
DMOPC '14 Contest 4 P3 - Golden Lily
Problem
Category
Points
AC %
▴
Users
COCI '13 Contest 2 #4 Putnik
COCI
12p
42.4%
170
COCI '13 Contest 2 #5 Paleta
COCI
15p
11.0%
24
COCI '13 Contest 2 #6 Linije
COCI
20p
36.8%
31
COCI '15 Contest 6 #1 Bela
COCI
5
65.3%
69
COCI '15 Contest 6 #2 Putovanje
COCI
5p
43.8%
35
COCI '15 Contest 6 #3 Pianino
COCI
10
28.9%
18
COCI '15 Contest 6 #4 Parovi
COCI
12p
39.4%
77
COCI '15 Contest 6 #5 Krumpirko
COCI
15p
21.6%
36
COCI '15 Contest 6 #6 San
COCI
20p
25.0%
1
APIO '07 P3 - Zoo
APIO
20p
32.3%
60
DMOPC '20 Contest 7 P4 - Mimi and Carrots II
DMOPC
17p
24.1%
54
Another Contest 4 Problem 2 - The Deutsch-Jozsa Algorithm
ACC
0
73.5%
261
Another Contest 4 Problem 3 - An Isosceles Right Triangle
ACC
0
71.7%
191
Another Contest 4 Problem 4 - Another Isosceles Right Triangle
ACC
0
45.7%
117
Another Contest 4 Problem 5 - Prime Time Television
ACC
0
62.6%
157
Another Contest 4 Problem 6 - One Billion Views
ACC
0
12.8%
47
Another Contest 4 Problem 7 - A Sack of Creatures
ACC
0
39.6%
44
Another Contest 4 Problem 8 - DMOJ!
ACC
0
27.3%
53
Another Contest 4 Problem 9 - Fast Fourier Transform!
ACC
0
16.7%
43
Another Contest 4 Problem 10 - Two Rectangles
ACC
0
56.5%
137
Another Contest 4 Problem 11 - Three Rectangles
ACC
0
36.1%
53
DMPG '19 S3 - Chemical Counting Capers
DMOPC
10p
11.5%
49
DMPG '19 B4 - Braille
DMOPC
5
43.7%
192
IOI '07 P1 - Aliens
IOI
12p
15.3%
21
DMPG '19 S4 - Confusing Crossword Conundrum
DMOPC
12p
13.5%
38
CPC '19 Contest 1 P6 - Maintaining Some Coins
Uncategorized
20p
1.9%
10
IOI '08 P6 - Pyramid Base
IOI
40p
12.7%
7
CEOI '17 P1 - One-Way Streets
CEOI
25p
23.5%
51
CEOI '17 P2 - Sure Bet
CEOI
10p
35.8%
81
CEOI '17 P3 - Mousetrap
CEOI
25p
14.4%
16
CEOI '17 P4 - Building Bridges
CEOI
20p
19.8%
98
CEOI '17 P5 - Palindromic Partitions
CEOI
15p
29.9%
99
CEOI '17 P6 - Chase
CEOI
30p
18.3%
21
CEOI '18 P1 - Cloud Computing
CEOI
15p
34.0%
77
CEOI '18 P2 - Global Warming
CEOI
15p
29.9%
67
CEOI '18 P3 - Lottery
CEOI
25p
40.0%
20
CEOI '18 P4 - Fibonacci Representations
CEOI
40p
38.2%
8
IOI '08 P4 - Teleporters
IOI
25p
30.2%
13
Wesley's Anger Contest 1 Problem 7 - Arithmetic Subtrees
WAC
30p
7.7%
8
DMPG '19 S5 - Secret Sort
DMOPC
12p
13.3%
7
Wesley's Anger Contest 1 Problem 6 - Colourful Cactus Ordeal
WAC
25p
14.8%
8
Wesley's Anger Contest 1 Problem 5 - Rule of Four
WAC
20p
14.6%
27
Wesley's Anger Contest 1 Problem 3 - A Dynamic Tree Problem
WAC
10p
20.6%
66
Wesley's Anger Contest 1 Problem 2 - A Minimum Cost Flow Problem
WAC
7p
31.4%
115
Wesley's Anger Contest 1 Problem 4 (Easy Version) - A Red-Black Tree Problem
WAC
15p
47.0%
50
Wesley's Anger Contest 1 Problem 1 - Simply a Simple Simplex Problem
WAC
5p
11.8%
170
CPC '19 Contest 1 P5 - A Puzzlingly Puzzling Puzzle Problem 😎
Uncategorized
17p
9.1%
9
DMPG '19 S1 - Candy Shop Tycoon
DMOPC
5
26.8%
165
DMPG '19 G4 - Carpet Cleaning Chore
DMOPC
12p
13.0%
10
DMPG '19 B3 - Contact
DMOPC
3
30.5%
231
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