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Hot problems
CCC '16 S4 - Combining Riceballs
Appleby Contest '19 P5 - Matrix Operation
Cheerio Contest 1 S2 - School Expansion
WC '96 P6 - Bases Multiplication
CCCHK '15 J4 - Where to build my house?
DMOPC '23 Contest 1 P1 - Peak Grid
EGOI '23 P4 - Bikes vs Cars
Problem ▾
Category
Points
AC %
Users
Educational DP Contest AtCoder E - Knapsack 2
Uncategorized
7
23.5%
626
Educational DP Contest AtCoder D - Knapsack 1
Uncategorized
7
38.7%
1044
Educational DP Contest AtCoder C - Vacation
Uncategorized
7
59.6%
832
Educational DP Contest AtCoder B - Frog 2
Uncategorized
7
43.0%
859
Educational DP Contest AtCoder A - Frog 1
Uncategorized
7
46.0%
1177
ECOO '21 P6 - Problematic Pathways
ECOO
30p
9.2%
4
ECOO '21 P5 - Waldwick's Walk
ECOO
17p
21.6%
23
ECOO '21 P4 - Chris' Candy
ECOO
7p
23.6%
109
ECOO '21 P3 - Quintessential Questions
ECOO
3p
63.9%
225
ECOO '21 P2 - DNA Derren
ECOO
3p
58.7%
330
ECOO '21 P1 - Many Messages
ECOO
3p
28.9%
451
ECOO '20 P4 - Ring
ECOO
12p
17.1%
78
ECOO '20 P3 - Captcha Fun
ECOO
7p
24.9%
103
ECOO '20 P2 - Online Shopping
ECOO
5p
46.4%
370
ECOO '20 P1 - Music with Mimi
ECOO
3p
46.7%
195
ECOO '19 R3 P4 - Network
ECOO
15p
0.7%
1
ECOO '19 R3 P3 - Wall
ECOO
15p
44.2%
4
ECOO '19 R3 P2 - Array Game
ECOO
12p
21.6%
5
ECOO '19 R3 P1 - Chords
ECOO
7p
20.9%
46
ECOO '19 R2 P4 - Tunnels
ECOO
12p
32.6%
7
ECOO '19 R2 P3 - Ribbon
ECOO
15p
19.8%
13
ECOO '19 R2 P2 - Pizza
ECOO
10p
23.9%
22
ECOO '19 R2 P1 - Email
ECOO
5p
31.6%
743
ECOO '19 R1 P4 - Bus Route
ECOO
12
9.6%
12
ECOO '19 R1 P3 - Side Scrolling Simulator
ECOO
10p
10.5%
66
ECOO '19 R1 P2 - L-Systems Go
ECOO
5p
22.6%
167
ECOO '19 R1 P1 - Free Shirts
ECOO
5p
31.2%
902
ECOO '18 R3 P4 - Circular Cities
ECOO
15p
13.3%
6
ECOO '18 R3 P3 - Currency Exchange
ECOO
10p
8.1%
13
ECOO '18 R3 P2 - Vegenère
ECOO
12p
8.5%
6
ECOO '18 R3 P1 - Balanced
ECOO
12p
28.1%
12
ECOO '18 R2 P4 - Three Squares
ECOO
15p
35.1%
10
ECOO '18 R2 P3 - Factorial
ECOO
12p
16.6%
48
ECOO '18 R2 P2 - Homework
ECOO
10p
21.6%
95
ECOO '18 R2 P1 - Artificial Photosynthesystem
ECOO
7p
39.5%
37
ECOO '18 R1 P4 - Fibonacci Spiral
ECOO
7p
36.6%
65
ECOO '18 R1 P3 - Missing Art
ECOO
7p
43.5%
93
ECOO '18 R1 P2 - Rue's Rings
ECOO
5p
21.7%
392
ECOO '18 R1 P1 - Willow's Wild Ride
ECOO
5p
27.4%
620
ECOO '17 R3 P4 - Ice Cream Beach
ECOO
15p
18.5%
36
ECOO '17 R3 P3 - Region Selection
ECOO
12p
37.0%
18
ECOO '17 R3 P2 - Family Trees
ECOO
7p
27.0%
102
ECOO '17 R3 P1 - Baker Brie
ECOO
5p
40.4%
790
ECOO '17 R2 P4 - Zig Zag
ECOO
12p
39.2%
29
ECOO '17 R2 P3 - Lunch Time
ECOO
12p
16.0%
26
ECOO '17 R2 P2 - Treasure Hunt
ECOO
10p
41.7%
57
ECOO '17 R2 P1 - Wizard's Windows
ECOO
5p
53.4%
66
ECOO '17 R1 P4 - Almost Sorted
ECOO
7p
9.0%
58
ECOO '17 R1 P3 - Mountain View
ECOO
7p
13.3%
72
ECOO '17 R1 P2 - Chocolate Chewsday
ECOO
5p
11.0%
81
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