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Random
Hot problems
COCI '08 Contest 3 #6 Najkraci
APIO '10 P1 - Commando
TSS Club Fair 2017 Problem B
ECOO '13 R1 P1 - Take a Number
CCC '24 J4 - Troublesome Keys
CCC '04 S2 - TopYodeller
DWITE '10 R3 #3 - Dominos Tiling
Problem
Category
Points
AC %
▾
Users
CCC '11 S2 - Multiple Choice
CCC
3
55.1%
6284
CCC '11 S4 - Blood Distribution
CCC
15p
7.8%
158
Mock CCC '15 S1 - Dupvoting
Mock CCC
5p
18.3%
151
Mock CCC '15 S2 - Problem-setting Pandemonium
Mock CCC
5p
34.7%
258
Mock CCC '15 S4 - Ice Pillars
Mock CCC
15p
29.0%
106
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 '15 J1 - Special Day
CCC
3
36.9%
8393
CCC '15 J2 - Happy or Sad
CCC
3
37.1%
7080
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 '16 S1 - Ragaman
CCC
3p
29.7%
2304
CCC '16 S2 - Tandem Bicycle
CCC
5p
53.3%
3505
CCC '16 S4 - Combining Riceballs
CCC
15p
28.8%
947
CCC '16 S3 - Phonomenal Reviews
CCC
12p
26.4%
1103
CCC '16 S5 - Circle of Life
CCC
20p
22.5%
578
CCC '16 J1 - Tournament Selection
CCC
3
41.2%
4717
CCC '16 J2 - Magic Squares
CCC
3
34.5%
3251
CCC '16 J3 - Hidden Palindrome
CCC
5
45.9%
2562
CCC '16 J4 - Arrival Time
CCC
5
29.1%
1682
TLE '16 Contest 6 (Mock CCC) S1 - Writing the CCC
TLE
5p
37.3%
469
TLE '16 Contest 6 (Mock CCC) S2 - Paper Stapling
TLE
10p
6.0%
41
TLE '16 Contest 6 (Mock CCC) S3 - Hyper Fax
TLE
15p
17.0%
153
TLE '16 Contest 6 (Mock CCC) S4 - Bubble Sort
TLE
25p
6.4%
11
TLE '16 Contest 6 (Mock CCC) S5 - Toll Routes
TLE
20p
3.9%
26
TLE '16 Contest 6 (Mock CCC) J1 - Paper Printing
TLE
3p
8.8%
101
TLE '16 Contest 6 (Mock CCC) J2 - Carol's Flowers
TLE
3p
18.1%
97
TLE '16 Contest 6 (Mock CCC) J3 - Two Kangaroos
TLE
5p
14.2%
42
TLE '16 Contest 6 (Mock CCC) J4 - Ski Rentals
TLE
7p
21.2%
29
TLE '16 Contest 6 (Mock CCC) J5 - Meal Plan
TLE
10p
5.1%
13
CCC '17 J1 - Quadrant Selection
CCC
3
60.6%
5587
CCC '17 J2 - Shifty Sum
CCC
3
54.3%
4583
CCC '17 S5 - RMT
CCC
20p
19.2%
245
CCC '17 S4 - Minimum Cost Flow
CCC
17p
14.1%
771
CCC '17 S3 - Nailed It!
CCC
7p
30.5%
1720
CCC '17 J3 - Exactly Electrical
CCC
3p
29.9%
2378
CCC '17 S2 - High Tide, Low Tide
CCC
5
27.8%
2845
CCC '17 S1 - Sum Game
CCC
3
47.4%
3210
CCC '17 J4 - Favourite Times
CCC
5p
23.4%
1572
Mock CCC '18 Contest 1 J1 - A String Problem
Mock CCC
3p
45.0%
497
Mock CCC '18 Contest 1 J2 - A Substring Problem
Mock CCC
3p
26.9%
334
Mock CCC '18 Contest 1 J4/S2 - A Square Problem
Mock CCC
5
33.7%
424
Mock CCC '18 Contest 1 J3/S1 - A Math Problem
Mock CCC
5p
23.1%
345
Mock CCC '18 Contest 2 J5/S3 - A Coloring Problem
Mock CCC
10p
19.3%
56
Mock CCC '18 Contest 1 S4 - A Graph Problem
Mock CCC
12p
19.9%
97
Mock CCC '18 Contest 1 S5 - A Palindrome Problem
Mock CCC
15p
8.5%
18
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