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Hot problems
CCC '24 J4 - Troublesome Keys
CCC '24 J5 - Harvest Waterloo
CCC '00 S2 - Babbling Brooks
CCC '19 J3 - Cold Compress
CCC '23 S4 - Minimum Cost Roads
CCC '05 J4 - Cross Spiral
BlueBook - Sieve
Problem
Category
Points
AC %
Users
CCC '11 J1 - Which Alien?
CCC
3
35.7%
6698
CCC '11 J2 - Who Has Seen The Wind
CCC
5
25.8%
2032
CCC '11 J3 - Sumac Sequences
CCC
5
43.4%
3054
CCC '11 J4 - Boring Business
CCC
7
27.7%
1602
CCC '11 J5 - Unfriend
CCC
7
46.7%
1042
CCC '11 S1 - English or French?
CCC
5
35.2%
6233
CCC '11 S2 - Multiple Choice
CCC
3
54.6%
6707
CCC '11 S3 - Alice Through the Looking Glass
CCC
10p
35.9%
1248
CCC '11 S4 - Blood Distribution
CCC
15p
8.0%
170
CCC '11 S5 - Switch
CCC
12p
17.7%
434
CCC '12 J1 - Speed fines are not fine!
CCC
3p
28.3%
5625
CCC '12 J2 - Sounds fishy!
CCC
3
34.4%
4910
CCC '12 J3 - Icon Scaling
CCC
3
50.7%
3031
CCC '12 J4 - Big Bang Secrets
CCC
3
59.0%
2529
CCC '12 S1 - Don't pass me the ball!
CCC
3
56.2%
2328
CCC '12 S2 - Aromatic Numbers
CCC
5
53.3%
1784
CCC '12 S3 - Absolutely Acidic
CCC
7
26.7%
1941
CCC '12 S4 - A Coin Game
CCC
15
27.1%
482
CCC '12 S5 - Mouse Journey
CCC
7
45.6%
1887
CCC '13 J1 - Next in line
CCC
3
62.4%
13001
CCC '13 J2 - Rotating letters
CCC
3
45.1%
5111
CCC '13 J4 - Time on task
CCC
5
44.7%
3200
CCC '13 S1 - From 1987 to 2013
CCC
5
46.3%
4188
CCC '13 S2 - Bridge Transport
CCC
5
26.7%
2134
CCC '13 S3 - Chances of Winning
CCC
10
41.6%
1430
CCC '13 S4 - Who is Taller?
CCC
7
16.9%
1287
CCC '13 S5 - Factor Solitaire
CCC
15p
42.2%
769
CCC '14 J1 - Triangle Times
CCC
3
32.7%
7967
CCC '14 J2 - Vote Count
CCC
3
44.8%
5701
CCC '14 J3 - Double Dice
CCC
3
55.8%
4800
CCC '14 S1 - Party Invitation
CCC
5
47.2%
3696
CCC '14 S2 - Assigning Partners
CCC
5
33.3%
2991
CCC '14 S3 - The Geneva Confection
CCC
7p
26.3%
2914
CCC '14 S4 - Tinted Glass Window
CCC
15p
29.9%
696
CCC '14 S5 - Lazy Fox
CCC
20p
18.0%
477
CCC '15 J1 - Special Day
CCC
3
36.6%
9163
CCC '15 J2 - Happy or Sad
CCC
3
37.2%
7697
CCC '15 J3 - Rövarspråket
CCC
5p
39.0%
2443
CCC '15 J4 - Wait Time
CCC
5
39.2%
1413
CCC '15 J5 - π-day
CCC
10p
27.3%
1560
CCC '15 S1 - Zero That Out
CCC
3
51.1%
4045
CCC '15 S2 - Jerseys
CCC
5p
27.1%
2059
CCC '15 S3 - Gates
CCC
10p
19.1%
1908
CCC '15 S4 - Convex Hull
CCC
15p
27.6%
1210
CCC '15 S5 - Greedy For Pies
CCC
17p
23.8%
579
CCC '16 J1 - Tournament Selection
CCC
3
41.1%
5008
CCC '16 J2 - Magic Squares
CCC
3
34.8%
3505
CCC '16 J3 - Hidden Palindrome
CCC
5
46.6%
2776
CCC '16 J4 - Arrival Time
CCC
5
29.0%
1790
CCC '16 S1 - Ragaman
CCC
3p
30.1%
2467
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