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Hot problems
CCC '21 S2 - Modern Art
Baltic OI '17 P5 - Plus Minus
IOI '11 P4 - Crocodile's Underground City
COCI '08 Contest 3 #2 Kemija
IOI '06 P4 - The Valley of Mexico
CCC '00 S1 - Slot Machines
Please Help Me
Problem
Category
Points
AC %
Users
SAC '22 Code Challenge 2 P4 - Cookie Galore
SAC Coding Challenge
10
36.1%
105
SAC '22 Code Challenge 2 P5 - Even Colouring
SAC Coding Challenge
10p
34.4%
84
SAC '22 Code Challenge 3 Junior P5 - Normal Encoding
SAC Coding Challenge
10p
17.9%
35
SAC '22 Code Challenge 3 P4 - Finding Friends
SAC Coding Challenge
15p
22.0%
69
SAC '22 Code Challenge 3 P5 - Chat Corrections
SAC Coding Challenge
12p
16.0%
43
SAC '22 Code Challenge 4 Junior P5 - Obligatory Output Only Problem
SAC Coding Challenge
10
24.6%
38
SAC '22 Code Challenge 4 P4 - Obligatory Subarray Problem
SAC Coding Challenge
10p
21.8%
93
SAC '22 Code Challenge 4 P5 - Obligatory Interactive Problem
SAC Coding Challenge
12p
15.2%
57
SAC '22 Code Challenge 5 Junior P5 - English Summative
SAC Coding Challenge
10p
26.4%
79
SAC '22 Code Challenge 5 P4 - Querying Intervals
SAC Coding Challenge
10p
35.9%
120
SAC '22 Code Challenge 5 P5 - Querying Rectangles
SAC Coding Challenge
15p
15.5%
38
South African Computer Olympiad 2008 Day 1 Problem 3 - Visiting Grandma
Uncategorized
15p
16.2%
83
Sword Art Online Judge 2
Seasonal
10
6.2%
63
Super Boggle
Uncategorized
15p
13.3%
6
Scansion
Uncategorized
10
23.7%
74
Spring Coding Bowl '22 P4 - Circle Game
Uncategorized
15p
6.7%
10
Spring Coding Bowl '22 P5 - Temple Placement
Uncategorized
15p
13.8%
7
Busy Schedule
Uncategorized
10
44.2%
56
Singularity Cup P2 - Reverse Substring Partitioning
Uncategorized
10
20.5%
244
Singularity Cup P3 - Interplanetary Travel
Uncategorized
15p
9.4%
98
Singularity Cup P4 - Staircase Sum
Uncategorized
17p
14.2%
76
Dynamic Range Minimum Test
Uncategorized
12
30.6%
441
Geometric Sequence
Uncategorized
10
3.4%
8
Jason's Theorem
Uncategorized
10p
20.1%
112
SGS Programming Challenge P2 - Vending Machine in Lunch
Uncategorized
10p
12.2%
54
SGS Programming Challenge P3 - Tree in Biology Class
Uncategorized
15p
16.7%
40
SGS Programming Challenge P4 - Toy in Psychology Class
Uncategorized
17p
8.0%
14
Summer Institute '17 Contest 1 P2 - Bernard
SIUCF
10
43.2%
50
Summer Institute '17 Contest 1 P3 - CEO Queue
SIUCF
15
35.5%
7
Summer Institute '17 Contest 1 P5 - Crazy Math
SIUCF
15
28.0%
64
Summer Institute '17 Contest 1 P6 - Fortunate Farmland
SIUCF
10
24.0%
38
Summer Institute '17 Contest 3 P4 - Customs
SIUCF
15
40.7%
25
Skyscrapers
Uncategorized
15p
18.3%
60
Sleigh Ride
Uncategorized
10
26.6%
328
SMAC 08/09 (Oct) #2 - Digging for Gold
Uncategorized
10
19.3%
54
SMAC 08/09 (Oct) #3 - Jumpscotch
Uncategorized
12p
29.4%
268
SMAC 08/09 (Oct) #4 - Daycare
Uncategorized
15p
4.8%
22
SMAC 08/09 (Oct) #5 - Crossroads
Uncategorized
12p
25.3%
31
SMAC 08/09 (Nov) #1 - Befungulator
Uncategorized
10
24.1%
21
SMAC 08/09 (Nov) #2 - Stock Market II
Uncategorized
10p
8.0%
21
SMAC 08/09 (Nov) #3 - Factor Game
Uncategorized
15
24.2%
58
SMAC 08/09 (Nov) #4 - Infinite Degrees
Uncategorized
12p
25.0%
18
SMAC 08/09 (Nov) #5 - Intelligent Stats
Uncategorized
10p
40.6%
23
Bob and Special Mud
Uncategorized
12
0.9%
3
Special Relativity
Uncategorized
10p
8.0%
25
Secret Santa
Uncategorized
15
13.1%
21
STNBD P2 - Claire Elstein
Uncategorized
12p
22.7%
244
STNBD P4 - Ellis Fahrengart
Uncategorized
17p
15.5%
139
STNBD P5 - Fianna Ray Ordesia
Uncategorized
10p
12.3%
27
Segment Tree Practice 1
Uncategorized
12
32.1%
86
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