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Hot problems
CCC '25 S5 - To-Do List
DMOPC '18 Contest 4 P2 - Dr. Henri and Responsibility
Maximum Sum
UTS Open '21 P4 - Lucky Graph
Intertwined Strings
CCC '10 J5 - Knight Hop
COCI '23 Contest 5 #1 Zlagalica
Problem
Category
Points
AC %
Users
CCC '00 J2 - 9966
CCC
3p
35.4%
2152
CCC '01 J1 - Dressing Up
CCC
3p
47.4%
3124
CCC '01 J2 - Mod Inverse
CCC
3p
43.2%
2752
CCC '02 J1 - 0123456789
CCC
3p
5.7%
840
CCC '02 J2 - AmeriCanadian
CCC
3p
25.5%
4343
CCC '03 J1 - Trident
CCC
3p
29.0%
2593
CCC '03 J2 - Picture Perfect
CCC
3p
24.1%
1743
CCC '04 J1 - Squares
CCC
3p
32.8%
6495
CCC '04 J2 - Terms of Office
CCC
3p
37.4%
3736
CCC '04 J3 - Smile with Similes
CCC
3p
57.5%
4354
CCC '05 J1 - The Cell Sell
CCC
3p
8.6%
1691
CCC '05 J2 - RSA Numbers
CCC
3p
40.8%
3203
CCC '06 J1 - Canadian Calorie Counting
CCC
3p
27.1%
8097
CCC '06 J2 - Roll the Dice
CCC
3p
27.3%
3293
CCC '06 J3 - Cell-Phone Messaging
CCC
3p
41.7%
1643
CCC '07 J1 - Who is in the Middle?
CCC
3p
47.1%
10210
CCC '07 J2 - I Speak TXTMSG
CCC
3p
22.0%
2516
CCC '07 J3 - Deal or No Deal Calculator
CCC
3p
32.3%
3645
CCC '07 S1 - Federal Voting Age
CCC
3p
36.4%
2474
CCC '08 J1 - Body Mass Index
CCC
3p
34.9%
5987
CCC '08 J2 - Do the Shuffle
CCC
3p
42.2%
3874
CCC '08 J3 - GPS Text Entry
CCC
3p
55.1%
1495
CCC '09 J1 - ISBN
CCC
3p
47.4%
4018
CCC '10 J1 - What is n, Daddy?
CCC
3p
29.4%
4185
CCC '11 J1 - Which Alien?
CCC
3p
35.9%
6847
CCC '11 S2 - Multiple Choice
CCC
3p
54.6%
6947
CCC '12 J1 - Speed fines are not fine!
CCC
3p
28.4%
5784
CCC '12 J2 - Sounds fishy!
CCC
3p
34.5%
5050
CCC '12 J3 - Icon Scaling
CCC
3p
50.6%
3138
CCC '12 J4 - Big Bang Secrets
CCC
3p
58.7%
2639
CCC '12 S1 - Don't pass me the ball!
CCC
3p
55.9%
2440
CCC '13 J1 - Next in line
CCC
3p
62.7%
13404
CCC '13 J2 - Rotating letters
CCC
3p
45.2%
5262
CCC '14 J1 - Triangle Times
CCC
3p
32.8%
8190
CCC '14 J2 - Vote Count
CCC
3p
44.9%
5845
CCC '14 J3 - Double Dice
CCC
3p
55.7%
4973
CCC '15 J1 - Special Day
CCC
3p
36.7%
9513
CCC '15 J2 - Happy or Sad
CCC
3p
37.4%
7984
CCC '15 S1 - Zero That Out
CCC
3p
51.4%
4168
CCC '16 J1 - Tournament Selection
CCC
3p
41.1%
5156
CCC '16 J2 - Magic Squares
CCC
3p
35.0%
3618
CCC '16 S1 - Ragaman
CCC
3p
30.0%
2534
CCC '17 J1 - Quadrant Selection
CCC
3p
60.7%
6141
CCC '17 J2 - Shifty Sum
CCC
3p
54.3%
5085
CCC '17 J3 - Exactly Electrical
CCC
3p
30.2%
2647
CCC '17 S1 - Sum Game
CCC
3p
47.6%
3484
CCC '18 J1 - Telemarketer or not?
CCC
3p
39.7%
7835
CCC '18 J2 - Occupy parking
CCC
3p
52.6%
6527
CCC '18 J3 - Are we there yet?
CCC
3p
56.0%
3579
CCC '18 S1 - Voronoi Villages
CCC
3p
34.1%
3937
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