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Random
Hot problems
CCC '21 S2 - Modern Art
COCI '13 Contest 1 #5 Organizator
CCC '24 S4 - Painting Roads
CCC '00 S1 - Slot Machines
COCI '08 Contest 3 #2 Kemija
CCC '13 S1 - From 1987 to 2013
CCC '24 S3 - Swipe
Problem
Category
Points
AC %
Users
A Math Contest P8 - Permutation Counting
Uncategorized
12
36.9%
73
A Math Contest P9 - Buy Some Get Some
Uncategorized
12
26.4%
80
Mock CCC '20 Contest 1 J5 - A Prime Problem
Mock CCC
12p
2.9%
23
Mock CCC '20 S3 - SAM I Am
Mock CCC
10p
12.7%
72
Mock CCC '20 Contest 2 S3 - Tree Programming
Mock CCC
10p
15.7%
83
Mock CCC '20 Contest 2 S4 - Rotational Arrays
Mock CCC
10p
11.8%
62
Mock CCC '22 Contest 2 J5 - Dominating the Olympics
Mock CCC
10
15.8%
90
Mock CCC '23 Contest 1 J5 - Calculus Problem
Mock CCC
12p
10.1%
42
Mock CCC '24 Contest 1 J5 - Mathland
Mock CCC
10p
8.0%
34
Mock CCC '24 Contest 1 S3 - Optimal Split Point
Mock CCC
10p
2.8%
25
Mock CCC '24 Contest 1 S4 - Tommy's Lemonade Stand
Mock CCC
12p
22.0%
29
Mock CCO '17 Problem 1 - Fast Fuhrer Transform
Mock CCO
10p
25.5%
62
Mock CCO '17 Problem 2 - Penetrating Power
Mock CCO
17p
25.8%
172
Mock CCO '17 Problem 4 - Guards
Mock CCO
15p
17.6%
54
Mock CCO '17 Problem 5 - Blitzkrieg
Mock CCO
17p
13.0%
13
Mock CCO '19 Contest 1 Problem 4 - A Chemistry Problem
Mock CCO
15p
15.8%
15
Mock CCO '19 Contest 1 Problem 6 - A Geometry Problem
Mock CCO
15p
28.1%
18
Mock CCO '19 Contest 2 Problem 1 - A Dynamic Connectivity Problem
Mock CCO
15p
31.0%
71
Mock CCO '19 Contest 2 Problem 2 - A Simulation Problem
Mock CCO
15p
10.7%
8
Mock CCO '19 Contest 2 Problem 3 - A Cactus Problem
Mock CCO
15p
6.2%
7
Mock CCO '19 Contest 2 Problem 5 - A Geometry Problem
Mock CCO
12p
4.3%
2
Mock CCO '19 Contest 2 Problem 6 - A Fundraising Problem
Mock CCO
12p
17.1%
36
MCIPC Contest 2 P5 - Holiday Chocolates
Uncategorized
10p
26.0%
7
MCIPC Contest 2 P6 - Block Tower
Uncategorized
12p
11.6%
9
MEC '16 P3 - Getting Good at Programming
Seasonal
10p
29.7%
314
MEC '16 P4 - Circuitry
Seasonal
15p
16.2%
21
MEC '16 P6 - Instruments of the Ghostwriters
Seasonal
10p
11.3%
15
Median Modulo
Uncategorized
15p
7.3%
7
Meta
Classics
12p
34.1%
12
Maximum Independent Subset
Uncategorized
15p
12.6%
10
MMCC '14 P1 - Tenri
Uncategorized
17p
23.2%
72
MMCC '14 P3 - Esdeath
Uncategorized
15p
14.9%
208
MMCC '15 P1 - Inaho
Uncategorized
15p
17.8%
243
MMM '14 B - Benergy Transfer
Uncategorized
10
38.9%
26
MMM '14 C - Pie Shop
Uncategorized
17p
16.6%
29
MNYC '16: Jelly
Seasonal
10p
12.2%
39
MNYC '16: Rocks
Seasonal
15p
28.5%
171
MNYC '17: Hurontario
Seasonal
10p
14.1%
264
MNYC '17: Removing Christmas Trees
Seasonal
15p
21.4%
50
MNYC '17: Skiing Competition
Seasonal
15p
4.4%
7
MNYC '17: Bells
Seasonal
17p
18.4%
64
Mock CCC '14 J5 - Spacetime Surfer
Mock CCC
10
30.5%
87
Mock CCC '14 S4 - Roadtrip Tracking
Mock CCC
15p
9.0%
58
Mock CCC '14 S5 - Elimination Game
Mock CCC
15p
21.8%
58
Mock CCC '15 J5 - Royal Guard
Mock CCC
10p
16.6%
162
Mock CCC '15 S3 - The Tachyon Trap
Mock CCC
12p
18.7%
66
Mock CCC '15 S4 - Ice Pillars
Mock CCC
15p
28.9%
107
Mock DWITE '09 P4 - Lights Out!
Uncategorized
15p
22.2%
36
Mock DWITE '09 P5 - Traffic Lights
Uncategorized
15p
27.5%
14
Mock ECOO '14 P1 - Do You Want to Build a Snowman?
ECOO
12
8.5%
56
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