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Hot problems
COCI '08 Contest 3 #6 Najkraci
APIO '10 P1 - Commando
CCC '24 J5 - Harvest Waterloo
TSS Club Fair 2017 Problem B
CCC '24 J4 - Troublesome Keys
CCC '04 S2 - TopYodeller
DWITE '10 R3 #3 - Dominos Tiling
Problem
Category
Points ▴
AC %
Users
CCCJQR P1
Seasonal
0
72.6%
642
CCCJQR P4
Seasonal
0
30.1%
29
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 '09 J1 - ISBN
CCC
3
47.3%
3696
CCC '13 J1 - Next in line
CCC
3
62.3%
12085
CCC '13 J2 - Rotating letters
CCC
3
45.0%
4841
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
59.3%
2408
CCC '11 J1 - Which Alien?
CCC
3
35.6%
6391
CCC '05 J1 - The Cell Sell
CCC
3
8.0%
1454
CCC '05 J2 - RSA Numbers
CCC
3
40.8%
2979
CCC '06 J2 - Roll the Dice
CCC
3
27.1%
3040
CCC '06 J3 - Cell-Phone Messaging
CCC
3
41.3%
1466
CCC '06 J1 - Canadian Calorie Counting
CCC
3
27.4%
7227
CCC '11 S2 - Multiple Choice
CCC
3
55.1%
6284
CCC '04 J1 - Squares
CCC
3
32.5%
6135
CCC '04 J2 - Terms of Office
CCC
3
37.4%
3514
CCC '04 J3 - Smile with Similes
CCC
3
57.8%
3974
CCC '07 J1 - Who is in the Middle?
CCC
3
47.0%
9182
CCC '07 J2 - I Speak TXTMSG
CCC
3
21.7%
2290
CCC '07 J3 - Deal or No Deal Calculator
CCC
3
33.1%
3258
CCC '08 J1 - Body Mass Index
CCC
3
34.8%
5626
CCC '08 J2 - Do the Shuffle
CCC
3
43.3%
3440
CCC '08 J3 - GPS Text Entry
CCC
3
56.0%
1341
CCC '10 J1 - What is n, Daddy?
CCC
3
30.8%
4023
CCC '07 S1 - Federal Voting Age
CCC
3
36.2%
2329
CCC '12 S1 - Don't pass me the ball!
CCC
3
56.4%
2240
CCC '03 J1 - Trident
CCC
3
28.6%
2325
CCC '03 J2 - Picture Perfect
CCC
3p
23.9%
1614
CCC '02 J1 - 0123456789
CCC
3
5.4%
724
CCC '02 J2 - AmeriCanadian
CCC
3
25.0%
3885
Mock CCC '15 J1 - 416
Mock CCC
3p
24.2%
762
Mock CCC '15 J3 - Problem-setting Pandemonium
Mock CCC
3p
59.7%
534
CCC '15 S1 - Zero That Out
CCC
3
51.0%
3881
CCC '15 J1 - Special Day
CCC
3
36.9%
8393
CCC '15 J2 - Happy or Sad
CCC
3
37.1%
7080
CCC '01 J1 - Dressing Up
CCC
3
48.2%
2875
CCC '01 J2 - Mod Inverse
CCC
3
42.9%
2538
CCC '16 S1 - Ragaman
CCC
3p
29.7%
2304
CCC '16 J1 - Tournament Selection
CCC
3
41.2%
4717
CCC '16 J2 - Magic Squares
CCC
3
34.5%
3251
CCCJQR P2
Seasonal
3
20.8%
134
CCCHK '15 J1 - Rock-paper-scissors
CCC
3
51.7%
854
CCC '00 J2 - 9966
CCC
3
35.8%
1959
CCCHK '08 J1 - Best fish
CCC
3
38.1%
805
CCCHK '08 J2 - Lucky Number
CCC
3
26.8%
845
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