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Random
Hot problems
CCC '24 J4 - Troublesome Keys
CCC '24 S2 - Heavy-Light Composition
CCC '19 J3 - Cold Compress
COCI '22 Contest 4 #1 7Krokods
CCC '24 J5 - Harvest Waterloo
CCC '08 S4 - Twenty-four
CCC '24 S3 - Swipe
Problem
Category
Points
AC % ▾
Users
Another Contest 6 Problem 9 - Obligatory Wood IV Problem
ACC
0p
100.0%
1576
Another Contest 4 Problem 2 - The Deutsch-Jozsa Algorithm
ACC
0
73.7%
259
CCCJQR P1
Seasonal
0
72.8%
634
Another Contest 6 Problem 7 - Consonant or Vowel?
ACC
0p
69.2%
129
Another Contest 4 Problem 5 - Prime Time Television
ACC
0
63.1%
157
A Long Problem
Uncategorized
0p
58.7%
42
Another Contest 6 Problem 8 - #define int long long
ACC
0p
58.5%
232
Lyndon's Golf Contest 1 P3 - Boolean (Buffed)
Uncategorized
0p
57.2%
79
Another Contest 4 Problem 10 - Two Rectangles
ACC
0
56.4%
136
Lyndon's Golf Contest 1 P2 - A Cube Problem
Uncategorized
0p
56.0%
134
Lyndon's Golf Contest 1 P9 - Fibonacci: The Finale
Uncategorized
0p
55.8%
67
April Fools' Day Contest 1 P1 - Sample Case
Uncategorized
0
55.8%
227
Scroll
Seasonal
0
55.5%
2234
TLE 2018-19 P3 - Feedback Survey
Seasonal
0p
53.0%
225
TLE 2018-19 P2 - Willson and Trivial Problem
Seasonal
0
51.6%
389
HCI '16 - HelloWorld_ex
Uncategorized
0p
47.4%
293
April Fools' Day Contest 1 P3 - Author
Uncategorized
0
47.3%
184
Lyndon's Golf Contest 1 P1 - As Easy As ABC
Uncategorized
0p
45.2%
175
April Fools' Day Contest 1 P4 - Choosing Choosily
Uncategorized
0p
44.0%
207
Amplitude Hackathon '23 Practice Problem 5 - What is Spenser's Last Name?
Uncategorized
0p
42.4%
27
Python PIe
Uncategorized
0p
42.2%
69
Another Contest 4 Problem 3 - An Isosceles Right Triangle
ACC
0
42.0%
165
April Fools' Day Contest 1 P5 - Definition
Uncategorized
0
40.5%
182
Another Contest 4 Problem 7 - A Sack of Creatures
ACC
0
39.6%
44
Another Contest 6 Problem 2 - A Plus B (Easy)
ACC
0p
37.2%
632
Another Contest 4 Problem 11 - Three Rectangles
ACC
0
36.1%
53
Another Contest 4 Problem 1 - Identity Crisis
ACC
0
34.9%
339
Another Contest 6 Problem 1 - A Plus B (Warmup)
ACC
0p
34.7%
513
Amplitude Hackathon '23 Problem 1 - Company Values
Uncategorized
0p
30.4%
49
CCCJQR P4
Seasonal
0
29.9%
28
Another Contest 4 Problem 0 - The April Fools Warmup Problem
ACC
0
27.8%
465
Another Contest 4 Problem 8 - DMOJ!
ACC
0
27.3%
53
April Fools' Day Contest 1 P2 - Sample Case
Uncategorized
0
24.3%
150
Another Contest 6 Problem 13 - Boolean (Warmup)
ACC
0p
22.3%
147
Another Contest 6 Problem 4 - A Plus B (Hard)
ACC
0p
20.7%
197
Another Contest 6 Problem 14 - Boolean (Easy)
ACC
0p
18.0%
110
Another Contest 6 Problem 3 - A Plus B (Medium)
ACC
0p
17.0%
223
Another Contest 4 Problem 9 - Fast Fourier Transform!
ACC
0
16.7%
43
Another Contest 6 Problem 15 - Boolean (Medium)
ACC
0p
16.1%
86
Another Contest 4 Problem 4 - Another Isosceles Right Triangle
ACC
0
15.6%
93
The Return of A Plus B
Seasonal
0p
14.2%
339
Lyndon's Golf Contest 1 P4 - Symbolic Ruby
Uncategorized
0p
13.2%
18
Another Contest 4 Problem 6 - One Billion Views
ACC
0
12.8%
47
Another Contest 6 Problem 16 - Boolean (Hard)
ACC
0p
11.9%
71
Another Contest 6 Problem 10 - Putting the Pieces Together
ACC
0p
11.4%
14
Lyndon's Golf Contest 1 P6 - Alphanumeric Perl
Uncategorized
0p
9.3%
9
Another Contest 6 Problem 12 - A Pretty Standard Problem Involving Judge Kirito
ACC
0p
6.9%
13
Hello, World! (Hard)
Uncategorized
0
6.4%
587
다른 콘테스트 6 문제 5 - Fan Death
ACC
0
6.0%
28
Another Contest 6 Problem 17 - Boolean (Lunatic)
ACC
0p
5.8%
72
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