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Hot problems
COCI '08 Contest 3 #2 Kemija
CCC '24 S2 - Heavy-Light Composition
CCCHK '15 J4 - Where to build my house?
Yet Another Contest 8 P2 - No More Modern Art
2spooky4me
Problem
Category ▴
Points
AC %
Users
JOI '21 Open P1 - Crossing
JOI
20p
42.9%
9
JOI '21 Open P2 - Financial Report
JOI
25p
34.0%
13
JOI '21 Spring Camp Day 1 P1 - Aerobatics
JOI
45p
0.0%
0
JOI '22 Open P1 - Seesaw
JOI
17p
18.9%
7
JOI '22 Open P2 - Giraffes
JOI
35p
0.0%
0
JOI '22 Open P3 - School Road
JOI
17p
17.9%
6
JOI '21 Spring Camp Day 3 P3 - Meetings 2
JOI
30p
18.6%
8
JOI '21 Spring Camp Day 4 P1 - Event Hopping 2
JOI
30p
63.2%
9
JOI '20 Open P1 - Furniture
JOI
20p
35.0%
7
JOI '20 Open P2 - Monochrome Points
JOI
35p
33.3%
8
JOI '20 Open P3 - Power Plant
JOI
15p
40.8%
24
JOI '19 Open P1 - Triple Jump
JOI
30p
21.0%
13
JOI '19 Open P2 - Remittance
JOI
30p
23.8%
12
JOI '19 Open P3 - Virus Experiment
JOI
35p
5.7%
2
JOI '22 Final P1 - Intercastellar
JOI
10p
56.0%
25
JOI '22 Final P2 - Self Study
JOI
12p
25.7%
16
JOI '22 Spring Camp Day 1 P1 - Jail
JOI
30p
26.5%
5
JOI '23 Open P1 - Ancient Machine 2
JOI
20p
1.4%
1
JOI '23 Open P2 - Cell Automaton
JOI
40p
0.0%
0
JOI '23 Open P3 - Garden
JOI
12p
9.4%
5
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 S3 - The Tachyon Trap
Mock CCC
12p
18.4%
65
Mock CCC '15 S4 - Ice Pillars
Mock CCC
15p
29.0%
106
Mock CCC '15 S5 - Kongou
Mock CCC
40p
3.9%
13
Mock CCC '15 J1 - 416
Mock CCC
3p
24.2%
762
Mock CCC '15 J2 - Lowest Exam Mark
Mock CCC
5p
11.5%
419
Mock CCC '15 J3 - Problem-setting Pandemonium
Mock CCC
3p
59.7%
534
Mock CCC '15 J4 - Vox in Box
Mock CCC
7p
18.3%
79
Mock CCC '15 J5 - Royal Guard
Mock CCC
10p
16.6%
161
Valentine's Day '18 J3 - Are they cute?
Mock CCC
5p
18.3%
166
Valentine's Day '18 J1 - The Cactus Number
Mock CCC
3p
35.9%
208
Valentine's Day '18 J2 - Stop the Scammer
Mock CCC
5p
31.2%
120
Valentine's Day '18 J4 & S1 - Carol's Cute Cactus
Mock CCC
7
36.1%
191
Valentine's Day '18 J5 & S2 - Ctudor's Cute Orchids
Mock CCC
7
27.7%
159
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
Mock CCC '18 Contest 1 J5/S3 - A Simulation Problem
Mock CCC
7p
21.6%
122
Mock CCC '18 Contest 2 J1 - An Arithmetic Problem
Mock CCC
3p
50.9%
417
Mock CCC '18 Contest 2 J2 - A Software Engineering Task
Mock CCC
3p
35.3%
151
Mock CCC '18 Contest 2 J3/S1 - An Array Problem
Mock CCC
7p
16.1%
372
Mock CCC '18 Contest 2 J4/S2 - A Geometry Problem
Mock CCC
7p
17.5%
122
Mock CCC '18 Contest 2 S4 - A Tree Problem
Mock CCC
12p
17.9%
65
Mock CCC '18 Contest 2 S5 - A Link/Cut Tree Problem
Mock CCC
15p
23.1%
89
Valentine's Day '18 S3 - Carol's Cactesian Conquest
Mock CCC
17p
40.6%
35
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