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Hot problems
WC '01 P3 - Back to the Future
COCI '08 Contest 3 #6 Najkraci
CCC '16 S4 - Combining Riceballs
GFSSOC '15 Winter S1 - OR-deal
ECOO '20 P2 - Online Shopping
IOI '11 P2 - Race
CCC '20 S4 - Swapping Seats
Problem
Category
Points
AC %
Users
ACM U of T Tryouts C3 D - A Frightening Evening
ICPC
5
21.1%
45
ACM U of T Tryouts C3 E - A Brief Expedition
ICPC
10
34.3%
67
ACM U of T Tryouts C3 F - A Pleasant Stroll
ICPC
15
17.2%
29
ACM U of T Tryouts C3 G - Office Mates
ICPC
15
21.8%
34
A Coin Problem
Uncategorized
12p
18.9%
297
A Combining Problem
Uncategorized
20
14.8%
19
ACSL '09 Practice P1 - Kansas
Uncategorized
7
14.7%
67
ACSL '09 Practice P2 - Cars
Uncategorized
10p
19.1%
36
ACSL '09 Practice P3 - Zeroes
Uncategorized
10
21.6%
126
ACSL '09 Practice P4 - Rank
Uncategorized
7
45.9%
857
ACSL '09 Practice P5 - Fax
Uncategorized
12p
29.3%
18
ACSL '09 Practice P6 - Expression
Uncategorized
10p
11.4%
29
ACSL '09 Practice P7 - Cube
Uncategorized
15
16.1%
27
ACSL '09 Contest 1 Senior - Bridge
Uncategorized
10p
25.0%
15
ACSL '09 Contest 3 Senior - Pinochle
Uncategorized
10p
34.1%
3
A Digit Problem
Uncategorized
12p
31.8%
59
April Fools' Day Contest 1 P1 - Sample Case
Uncategorized
0
55.7%
228
April Fools' Day Contest 1 P2 - Sample Case
Uncategorized
0
24.3%
150
April Fools' Day Contest 1 P3 - Author
Uncategorized
0
47.8%
189
April Fools' Day Contest 1 P4 - Choosing Choosily
Uncategorized
0p
44.0%
210
April Fools' Day Contest 1 P5 - Definition
Uncategorized
0
40.6%
183
April Fools' Day Contest 1 P6 - April Fools' Day (BOJ Edition)
Uncategorized
0
3.0%
142
April Fools' Day Contest 1 P7 - Half-Plane Intersection
Uncategorized
0
3.3%
71
April Fools' Day Contest 1 P8 - NP-Hard
Uncategorized
0
5.7%
25
A Harder Game
Uncategorized
15p
8.5%
31
Alawn's Problem
Uncategorized
7
42.2%
27
Sum of Primes 2
Uncategorized
5p
21.1%
335
A Long Problem
Uncategorized
0p
58.7%
43
Alphabet Score
Uncategorized
3p
48.7%
309
Adaptive Mechanized Calcium Chlorohypochlorite
Uncategorized
25
15.2%
9
Amplitude Hackathon '23 Problem 1 - Company Values
Uncategorized
0p
30.4%
49
Amplitude Hackathon '23 Problem 2 - Gigatron Lag
Uncategorized
3p
26.2%
38
Amplitude Hackathon '23 Problem 3 - Dedupe
Uncategorized
5p
53.3%
38
Amplitude Hackathon '23 Problem 4 - Frequency Queries
Uncategorized
7p
15.3%
16
Amplitude Hackathon '23 Problem 5 - Partition Assignment
Uncategorized
7p
22.5%
19
Amplitude Hackathon '23 Problem 6 - Journeys
Uncategorized
10p
26.4%
12
Amplitude Hackathon '23 Practice Problem 1 - Gigatron EPS Modulo 998244353
Uncategorized
3p
58.2%
40
Amplitude Hackathon '23 Practice Problem 2 - Go Amplitude!
Uncategorized
5p
14.0%
19
Amplitude Hackathon '23 Practice Problem 3 - Demo Day Demos
Uncategorized
5p
31.2%
24
Amplitude Hackathon '23 Practice Problem 4 - Gigatron Autoscaling
Uncategorized
3p
64.9%
29
Amplitude Hackathon '23 Practice Problem 5 - What is Spenser's Last Name?
Uncategorized
0p
39.4%
27
Troubling Times
Uncategorized
5p
33.0%
538
And Password
Uncategorized
20p
16.4%
8
Andrew Needs Help
Uncategorized
12p
26.2%
29
A New Country
Uncategorized
25p
24.6%
18
Angie and Functions
Uncategorized
20p
23.6%
15
A Noisy Class
Uncategorized
7
29.4%
752
Another Sorting
Uncategorized
5p
36.1%
430
APIO '07 P1 - Mobiles
APIO
12p
30.6%
68
APIO '07 P2 - Backup
APIO
25p
16.0%
69
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