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Hot problems
DWITE '10 R3 #3 - Dominos Tiling
A Math Contest P5 - Good Arrays
APIO '10 P1 - Commando
ECOO '13 R1 P1 - Take a Number
CCC '24 J5 - Harvest Waterloo
CCC '04 S2 - TopYodeller
An Animal Contest 2 P3 - Koala Balloons
Problem
Category
Points
AC %
Users
CCC '11 J1 - Which Alien?
CCC
3
35.6%
6392
CCC '11 J2 - Who Has Seen The Wind
CCC
5
25.7%
1867
CCC '11 J3 - Sumac Sequences
CCC
5
43.3%
2877
CCC '11 J4 - Boring Business
CCC
7
27.8%
1508
CCC '11 J5 - Unfriend
CCC
7
46.8%
1003
CCC '11 S1 - English or French?
CCC
5
35.6%
5780
CCC '11 S2 - Multiple Choice
CCC
3
55.1%
6284
CCC '11 S3 - Alice Through the Looking Glass
CCC
10p
36.0%
1196
CCC '11 S4 - Blood Distribution
CCC
15p
7.8%
158
CCC '11 S5 - Switch
CCC
12p
18.3%
415
CCC '12 J1 - Speed fines are not fine!
CCC
3
30.8%
5790
CCC '12 J2 - Sounds fishy!
CCC
3
33.8%
4595
CCC '12 J3 - Icon Scaling
CCC
3
51.3%
2882
CCC '12 J4 - Big Bang Secrets
CCC
3
59.2%
2409
CCC '12 S1 - Don't pass me the ball!
CCC
3
56.4%
2241
CCC '12 S2 - Aromatic Numbers
CCC
5
53.4%
1717
CCC '12 S3 - Absolutely Acidic
CCC
7
26.7%
1863
CCC '12 S4 - A Coin Game
CCC
15
27.1%
458
CCC '12 S5 - Mouse Journey
CCC
7
45.6%
1819
CCC '13 J1 - Next in line
CCC
3
62.3%
12087
CCC '13 J2 - Rotating letters
CCC
3
45.0%
4841
CCC '13 J4 - Time on task
CCC
5
44.5%
3017
CCC '13 S1 - From 1987 to 2013
CCC
5
45.8%
3925
CCC '13 S2 - Bridge Transport
CCC
5
26.7%
2058
CCC '13 S3 - Chances of Winning
CCC
10
41.2%
1365
CCC '13 S4 - Who is Taller?
CCC
7
16.8%
1233
CCC '13 S5 - Factor Solitaire
CCC
15p
42.8%
735
CCC '14 J1 - Triangle Times
CCC
3
32.9%
7482
CCC '14 J2 - Vote Count
CCC
3
44.5%
5375
CCC '14 J3 - Double Dice
CCC
3
56.3%
4489
CCC '14 S1 - Party Invitation
CCC
5
47.1%
3527
CCC '14 S2 - Assigning Partners
CCC
5
33.3%
2846
CCC '14 S3 - The Geneva Confection
CCC
7p
26.4%
2812
CCC '14 S4 - Tinted Glass Window
CCC
15p
29.2%
673
CCC '14 S5 - Lazy Fox
CCC
20p
17.9%
456
CCC '15 J1 - Special Day
CCC
3
36.9%
8395
CCC '15 J2 - Happy or Sad
CCC
3
37.1%
7083
CCC '15 J3 - Rövarspråket
CCC
5p
38.5%
2269
CCC '15 J4 - Wait Time
CCC
5
39.4%
1314
CCC '15 J5 - π-day
CCC
10p
27.4%
1466
CCC '15 S1 - Zero That Out
CCC
3
51.0%
3881
CCC '15 S2 - Jerseys
CCC
5p
26.7%
1959
CCC '15 S3 - Gates
CCC
10p
18.7%
1779
CCC '15 S4 - Convex Hull
CCC
15p
27.4%
1161
CCC '15 S5 - Greedy For Pies
CCC
17p
23.5%
555
CCC '16 J1 - Tournament Selection
CCC
3
41.2%
4718
CCC '16 J2 - Magic Squares
CCC
3
34.5%
3252
CCC '16 J3 - Hidden Palindrome
CCC
5
45.9%
2562
CCC '16 J4 - Arrival Time
CCC
5
29.1%
1682
CCC '16 S1 - Ragaman
CCC
3p
29.7%
2304
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