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Random
Hot problems
NOI '15 P2 - Software Package Manager
CCC '22 J3 - Harp Tuning
Knapsack 4
ECOO '17 R3 P1 - Baker Brie
CCC '08 S4 - Twenty-four
A Game
DMOPC '19 Contest 7 P5 - Soriya's Programming Project
Problem
Category
Points
AC %
▴
Users
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
8.1%
17
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
35.4%
151
Mock CCC '18 Contest 2 J3/S1 - An Array Problem
Mock CCC
7p
16.1%
371
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
16.7%
60
Mock CCC '18 Contest 2 S5 - A Link/Cut Tree Problem
Mock CCC
15p
23.1%
89
Mock CCC '18 Contest 3 J1 - A Sum Problem
Mock CCC
3p
61.2%
602
Mock CCC '18 Contest 3 J2 - A Palindrome Problem
Mock CCC
3p
24.1%
240
Mock CCC '18 Contest 3 J3/S1 - A String Problem
Mock CCC
5p
36.0%
352
Mock CCC '18 Contest 3 J4/S2 - A Median Problem
Mock CCC
5p
36.7%
481
Mock CCC '18 Contest 3 J5/S3 - A Cookie-Cutter Problem
Mock CCC
10p
10.0%
59
Mock CCC '18 Contest 3 S4 - A Graph Problem
Mock CCC
10
25.7%
213
Mock CCC '18 Contest 3 S5 - A Rage Tree Problem
Mock CCC
20p
11.2%
46
Mock CCC '18 Contest 5 J1 - Looking for the CCC
Mock CCC
3p
44.6%
567
Mock CCC '18 Contest 5 J2 - Smallest Mode
Mock CCC
3p
26.2%
227
Mock CCC '18 Contest 5 J3/S1 - Median Triples
Mock CCC
5p
29.4%
235
Mock CCC '18 Contest 5 J4/S2 - Reverse Sort
Mock CCC
5p
44.4%
261
Mock CCC '18 Contest 5 J5/S3 - Directed Graph Connectivity
Mock CCC
7p
40.9%
487
Mock CCC '18 Contest 5 S4 - Sparse Binary String Counting
Mock CCC
10p
18.3%
92
Mock CCC '18 Contest 5 S5 - California Boggle
Mock CCC
20p
10.4%
34
DMOPC '17 Contest 4 P4 - Cops and Robbers
DMOPC
7p
20.5%
202
CTU Open Contest 2017 - Amusement Anticipation
ICPC
5
23.9%
30
CTU Open Contest 2017 - Pond Cascade
ICPC
7
37.8%
6
CTU Open Contest 2017 - Forest Picture
ICPC
5
44.4%
9
CTU Open Contest 2017 - Shooting Gallery
ICPC
10
17.0%
10
CTU Open Contest 2017 - Ice Cream Samples
ICPC
12
46.2%
5
CTU Open Contest 2017 - Dark Ride With Monsters
ICPC
7
15.1%
9
CTU Open Contest 2017 - Go Northwest!
ICPC
7
46.2%
9
CTU Open Contest 2017 - Punching Power
ICPC
15
46.3%
15
CCC '18 S1 - Voronoi Villages
CCC
3p
33.5%
3553
CCC '18 S2 - Sunflowers
CCC
5p
39.6%
2804
CCC '18 S3 - RoboThieves
CCC
12p
14.2%
1133
CCC '18 S4 - Balanced Trees
CCC
15p
16.8%
574
CCC '18 S5 - Maximum Strategic Savings
CCC
20p
26.7%
405
DMOPC '17 Contest 4 P0 - Catch
DMOPC
3
24.9%
197
DMOPC '17 Contest 4 P1 - Ribbon Colouring Fun
DMOPC
5p
30.3%
292
DMOPC '17 Contest 4 P5 - Revised IOI
DMOPC
12
28.8%
38
TLE '17 Contest 6 P2 - Mr. More-than-perfect
TLE
5p
20.9%
71
TLE '17 Contest 6 P1 - Molecules
TLE
3p
16.9%
116
DMPG '18 S5 - Mimi and Division
DMOPC
15p
16.2%
169
DMPG '18 B2 - Mimi and Modulus
DMOPC
3p
22.3%
328
IOI '11 P2 - Race
IOI
17p
18.5%
207
DMOPC '17 Contest 5 P2 - Mimi and Binary
DMOPC
5p
19.8%
260
DMOPC '17 Contest 5 P1 - IOI 101
DMOPC
3p
49.4%
476
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