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Random
Hot problems
Arcadia Computing Contest 1 P2 - Chemistry
Arcadia Computing Contest 1 P3 - ScanTron
Singularity Cup P2 - Reverse Substring Partitioning
Segment Tree Practice 1
Arcadia Computing Contest 1 P5 - Hacking Grades
COCI '13 Contest 2 #5 Paleta
CCC '20 S4 - Swapping Seats
Problem
Category
Types
Points
AC %
Users
A Math Contest P12 - Triangles
Uncategorized
Geometry
,
Intermediate Math
17
27.6%
21
A Math Contest P13 - Ways
Uncategorized
Advanced Math
17
20.3%
34
A Math Contest P14 - Choosing Marbles
Uncategorized
Advanced Math
25p
22.4%
44
A Math Contest P15 - Matrix Fixed Point
Uncategorized
Advanced Math
20
69.8%
32
A Math Contest P16 - Morbius vs. Suibom
Uncategorized
Advanced Math
25
18.1%
20
A Math Contest P17 - Heatwaves
Uncategorized
Advanced Math
45
36.4%
3
A Math Contest P2 - Subsequence Sum
Uncategorized
Simple Math
5
29.9%
389
A Math Contest P3 - LIS Reconstruction
Uncategorized
Ad Hoc
7
45.1%
196
A Math Contest P4 - Circle Cutting
Uncategorized
Intermediate Math
7
37.4%
127
A Math Contest P5 - Good Arrays
Uncategorized
Dynamic Programming
,
Simple Math
7p
27.9%
179
A Math Contest P6 - Global Maximum
Uncategorized
Intermediate Math
10
29.3%
100
A Math Contest P7 - Factors
Uncategorized
Simple Math
10
31.8%
166
A Math Contest P8 - Permutation Counting
Uncategorized
Dynamic Programming
,
Intermediate Math
12
36.9%
73
A Math Contest P9 - Buy Some Get Some
Uncategorized
Intermediate Math
12
26.4%
80
Mathtermind
Uncategorized
Brute Force
,
Implementation
7
42.9%
11
Fast Matrix Multiplication
Classics
Advanced Math
,
Divide and Conquer
,
Implementation
20p
0.0%
0
Maximum Product of K Integers
Uncategorized
Uncategorized
25
3.0%
2
Mock CCC '20 Contest 1 J1 - A Rage Tree Problem
Mock CCC
Brute Force
3p
48.2%
858
Mock CCC '20 Contest 1 J2 - A Simplex Problem
Mock CCC
Simple Math
3p
52.5%
636
Mock CCC '20 Contest 1 J3 - A Geometry Problem
Mock CCC
Simple Math
3p
9.3%
302
Mock CCC '20 Contest 1 J4 - A Binary Problem
Mock CCC
Simple Math
5p
11.8%
220
Mock CCC '20 Contest 1 J5 - A Prime Problem
Mock CCC
Brute Force
12p
2.9%
23
Mock CCC '20 S1 - War
Mock CCC
Implementation
3p
29.9%
487
Mock CCC '20 S2 - Flipper Redux
Mock CCC
Ad Hoc
,
Implementation
7p
26.9%
305
Mock CCC '20 S3 - SAM I Am
Mock CCC
Data Structures
,
String Algorithms
10p
12.7%
72
Mock CCC '20 S4 - Valentine's Day Shopping
Mock CCC
Data Structures
20p
7.9%
15
Mock CCC '20 Contest 2 S1 - Arithmetic Hybercube
Mock CCC
Implementation
3p
54.3%
423
Mock CCC '20 Contest 2 S2 - 4D BBST on a DP
Mock CCC
Greedy Algorithms
5p
28.2%
292
Mock CCC '20 Contest 2 S3 - Tree Programming
Mock CCC
Graph Theory
10p
15.7%
83
Mock CCC '20 Contest 2 S4 - Rotational Arrays
Mock CCC
Greedy Algorithms
,
Intermediate Math
10p
11.8%
62
Mock CCC '20 Contest 2 S5 - Sticks
Mock CCC
Ad Hoc
20p
2.3%
4
Mock CCC '22 Contest 1 J1 - Square Root Decomposition
Mock CCC
Simple Math
3
39.6%
692
Mock CCC '22 Contest 1 J2 - Biking and Hiking
Mock CCC
Implementation
3
34.5%
566
Mock CCC '22 Contest 1 J3 - String Crossing Maximization
Mock CCC
Implementation
7p
12.4%
251
Mock CCC '22 Contest 1 J4 - Snowball Fight
Mock CCC
Simulation
5p
16.8%
243
Mock CCC '22 Contest 1 J5 - New Year's Restrictions
Mock CCC
Brute Force
7p
24.9%
146
Mock CCC '22 Contest 2 J1 - Opening Ceremony
Mock CCC
Simple Math
3
47.8%
756
Mock CCC '22 Contest 2 J2 - Snowboarding Championship
Mock CCC
Implementation
3
36.0%
608
Mock CCC '22 Contest 2 J3 - Figure Skating Fun
Mock CCC
Implementation
5p
31.1%
496
Mock CCC '22 Contest 2 J4 - Hockey Bracket
Mock CCC
Implementation
7p
18.3%
194
Mock CCC '22 Contest 2 J5 - Dominating the Olympics
Mock CCC
Dynamic Programming
,
Graph Theory
10
15.8%
90
Mock CCC '23 Contest 1 J1 - Final Velocity
Mock CCC
Implementation
3
65.4%
819
Mock CCC '23 Contest 1 J2 - Healthy Schedule
Mock CCC
Implementation
3
37.5%
624
Mock CCC '23 Contest 1 J3 - Pairing Gifts
Mock CCC
Implementation
5p
12.8%
268
Mock CCC '23 Contest 1 J4 - String Decryption
Mock CCC
Implementation
5p
17.0%
169
Mock CCC '23 Contest 1 J5 - Calculus Problem
Mock CCC
Data Structures
12p
10.1%
42
Mock CCC '24 Contest 1 J1 - Lemon Bathtub
Mock CCC
Simple Math
3
59.2%
569
Mock CCC '24 Contest 1 J2 - Simple Elo Rating System
Mock CCC
Implementation
3
32.9%
243
Mock CCC '24 Contest 1 J3 - RGB Words
Mock CCC
Implementation
5p
12.7%
202
Mock CCC '24 Contest 1 J5 - Mathland
Mock CCC
Graph Theory
10p
8.0%
34
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