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Random
Hot problems
COCI '08 Contest 3 #6 Najkraci
APIO '10 P1 - Commando
CCCHK '15 J4 - Where to build my house?
CCC '24 S2 - Heavy-Light Composition
Yet Another Contest 8 P2 - No More Modern Art
2spooky4me
Yet Another Contest 8 P1 - Permutation Sorting
Problem
Category
Points ▴
AC %
Users
CCO '10 P2 - Tree Pruning
CCO
15
29.9%
188
CCO '10 P3 - Wowow
CCO
15p
23.9%
282
CCO '10 P5 - Space Miner
CCO
15
31.5%
52
CCO '11 P2 - Vampire Tunnels
CCO
15p
19.0%
320
CCO '11 P6 - Biggest (Zero Carbon) Footprint
CCO
15p
12.6%
78
CCO '12 P2 - The Hungary Games
CCO
15
24.3%
481
CCO '13 P5 - Transforming Comets
CCO
15p
19.3%
74
CCO '14 P2 - King Gruff
CCO
15p
36.3%
253
CCC '15 S4 - Convex Hull
CCC
15p
27.4%
1160
COCI '14 Contest 7 #4 Janje
COCI
15p
12.8%
45
COCI '14 Contest 7 #5 Prosjek
COCI
15p
28.1%
202
MMCC '15 P1 - Inaho
Uncategorized
15p
17.9%
225
GFSSOC '15 Fall S4 - Mostly Talking
GFSSOC
15p
15.8%
377
Next Prime (Hard)
Classics
15
7.9%
159
Perl Golf
Uncategorized
15p
11.3%
41
DMOPC '14 Contest 6 P5 - Planning
DMOPC
15p
23.6%
36
TSOC '15 Contest 2 #6 - All-Out War!
TSOC
15p
9.6%
70
DMPG '17 S4 - Artillery Battery
DMOPC
15p
8.7%
8
CCO '15 P1 - Hungry Fox
CCO
15p
21.6%
221
CCO '15 P2 - Artskjid
CCO
15p
15.4%
504
DMPG '15 G2 - 1-String B2-VPG Representation of Planar Graphs
DMOPC
15p
18.4%
30
DMPG '15 G5 - ExpedColle
DMOPC
15p
10.6%
58
Power Eggs
Uncategorized
15
34.1%
93
DMOPC '15 Contest 2 P5 - Sysadmin
DMOPC
15p
12.0%
69
DMOPC '15 Contest 3 P5 - Total Annihilation
DMOPC
15p
19.0%
98
DMOPC '15 Contest 4 P5 - Scribe
DMOPC
15p
26.7%
38
GFSSOC '15 Winter S5 - ORBOT
GFSSOC
15p
17.7%
22
COCI '15 Contest 4 #5 Galaksija
COCI
15p
18.3%
114
MNYC '16: Rocks
Seasonal
15p
28.1%
165
New Year's '16 P6 - Cake Balancing
Seasonal
15p
41.1%
127
VM7WC '16 #2 Gold - GGG
VM7WC
15
18.2%
311
DMOPC '15 Contest 5 P5 - World Line Convergence
DMOPC
15p
23.8%
104
VM7WC '16 #5 Silver - Jayden Plays Video Games
VM7WC
15
16.5%
39
TLE '15 P5 - Prefix Sum Array
TLE
15p
18.9%
125
CCC '16 S4 - Combining Riceballs
CCC
15p
28.8%
945
CCOQR '16 - Data Structure
CCC
15p
22.1%
177
CCO Preparation Test 5 P1 - City Game
Mock CCO
15
26.4%
202
CCO Preparation Test 5 P2 - Corporative Network
Mock CCO
15
7.3%
13
CCO Preparation Test 5 P3 - Minimum Cycle
Mock CCO
15p
9.4%
9
CCO Preparation Test 5 P4 - Toys
Mock CCO
15p
3.1%
2
MEC '16 P4 - Circuitry
Seasonal
15p
16.2%
21
CCCJQR P5
Seasonal
15p
21.0%
22
COCI '13 Contest 1 #3 Ratar
COCI
15p
30.5%
56
COCI '13 Contest 1 #4 Lopov
COCI
15p
27.6%
485
COCI '13 Contest 1 #5 Organizator
COCI
15p
24.3%
123
DMPG '16 G1 - Explooooosion!
DMOPC
15p
6.2%
95
DMPG '16 G4 - Araxxi
DMOPC
15p
20.8%
57
MWC '15 #7 P3: Blue and Green
MWC
15p
14.9%
37
ECOO '16 R3 P4 - Cuthbert's Calculator
ECOO
15p
68.2%
5
DMPG '16 S6 - Black and White II
DMOPC
15p
24.4%
11
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