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Random
Hot problems
SAC '22 Code Challenge 5 P2 - Querying Extensions
CCC '24 S2 - Heavy-Light Composition
IOI '10 P3 - Quality of Living
Fibonacci Sequence
CCC '02 S4 - Bridge Crossing
Segment Tree Practice 1
IOI '94 P1 - The Triangle
Problem ▾
Category
Points
AC %
Users
Another Contest 6 Problem 3 - A Plus B (Medium)
ACC
0p
17.4%
231
Another Contest 6 Problem 2 - A Plus B (Easy)
ACC
0p
37.6%
647
Another Contest 6 Problem 17 - Boolean (Lunatic)
ACC
0p
5.8%
72
Another Contest 6 Problem 16 - Boolean (Hard)
ACC
0p
11.9%
71
Another Contest 6 Problem 15 - Boolean (Medium)
ACC
0p
16.0%
86
Another Contest 6 Problem 14 - Boolean (Easy)
ACC
0p
17.8%
110
Another Contest 6 Problem 13 - Boolean (Warmup)
ACC
0p
22.3%
148
Another Contest 6 Problem 12 - A Pretty Standard Problem Involving Judge Kirito
ACC
0p
6.9%
13
Another Contest 6 Problem 11 - Infinite Corridor Simulator
ACC
0p
1.9%
5
Another Contest 6 Problem 10 - Putting the Pieces Together
ACC
0p
11.4%
14
Another Contest 6 Problem 1 - A Plus B (Warmup)
ACC
0p
35.0%
531
Another Contest 6 Problem 0 - Another Warmup Problem
ACC
0
4.8%
8
Another Contest 5 Problem 5 - Another Cheese Problem
ACC
12
17.2%
64
Another Contest 5 Problem 4 - Tudor Interacts With Poop
ACC
15p
16.1%
26
Another Contest 5 Problem 3 - Cutting Cheese Costs
ACC
5p
22.8%
365
Another Contest 5 Problem 2 - Great Graffiti
ACC
5p
18.4%
217
Another Contest 5 Problem 1 - Goat Fence
ACC
3p
27.0%
631
Another Contest 4 Problem 9 - Fast Fourier Transform!
ACC
0
16.7%
43
Another Contest 4 Problem 8 - DMOJ!
ACC
0
27.3%
53
Another Contest 4 Problem 7 - A Sack of Creatures
ACC
0
39.6%
44
Another Contest 4 Problem 6 - One Billion Views
ACC
0
12.8%
47
Another Contest 4 Problem 5 - Prime Time Television
ACC
0
62.7%
158
Another Contest 4 Problem 4 - Another Isosceles Right Triangle
ACC
0
45.8%
118
Another Contest 4 Problem 3 - An Isosceles Right Triangle
ACC
0
71.6%
192
Another Contest 4 Problem 2 - The Deutsch-Jozsa Algorithm
ACC
0
73.5%
261
Another Contest 4 Problem 11 - Three Rectangles
ACC
0
36.1%
53
Another Contest 4 Problem 10 - Two Rectangles
ACC
0
56.5%
137
Another Contest 4 Problem 1 - Identity Crisis
ACC
0
34.9%
339
Another Contest 4 Problem 0 - The April Fools Warmup Problem
ACC
0
27.8%
466
Another Contest 3 Problem 4 - Range Updates and Range Queries
ACC
15
14.2%
54
Another Contest 3 Problem 3 - Lexicographically Largest Common Subsequence
ACC
7
17.9%
168
Another Contest 3 Problem 2 - Camelot
ACC
15
16.3%
75
Another Contest 3 Problem 1 - Diverse Arrays
ACC
7
17.2%
335
Another Contest 2 Problem 3 - Poutine
ACC
15
26.9%
133
Another Contest 2 Problem 2 - Poutine
ACC
10
28.7%
143
Another Contest 2 Problem 1 - Poutine
ACC
15
14.6%
106
Another Contest 10 Problem 5 - Wesley's Anger Contest 7 Problem 5 - Name That Song
ACC
0p
0.1%
1
Another Contest 10 Problem 3 - Wesley's Anger Contest 7 Problem 3 - The Obligatory Rage Tree Problem
ACC
15p
1.1%
2
Another Contest 10 Problem 2 - Wesley's Anger Contest 7 Problem 2 - Short Love Letters in CS
ACC
0p
5.7%
7
Another Contest 10 Problem 1 - Wesley's Anger Contest 7 Problem 1 - Ideology
ACC
0p
2.1%
5
Another Contest 1 Problem 3 - Poutine
ACC
10
4.1%
58
Another Contest 1 Problem 2 - Graphs
ACC
15
6.5%
76
Another Contest 1 Problem 1 - Binary String Operations
ACC
25
12.1%
44
Angie and Functions (Hard)
Uncategorized
30
2.1%
1
Angie and Functions
Uncategorized
20p
23.6%
15
Andrew Needs Help
Uncategorized
12p
26.2%
29
And Password
Uncategorized
20p
16.4%
8
Ancient Castle Ruins
Uncategorized
25p
2.9%
1
An Extraordinarily Coordinated Christmas
Uncategorized
10p
45.7%
104
An Animal Contest 7 P6 - S-Squirrel?
AAC
20p
11.4%
7
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