Promote peaceful and inclusive societies for sustainable development, provide access to justice for all and build effective, accountable and inclusive institutions at all levels

Target

16.1

Significantly reduce all forms of violence and related death rates everywhere


Target

16.2

End abuse, exploitation, trafficking and all forms of violence against and torture of children

Task: You need to programme billboard to show a message. You do not know what the message is but you know which lights you need to turn on. You have a marked frame for each letter to help you. Discover the message!

A: 2 3 4 6 7 8 10 11 12 14 15 16 20 21 22 24 26 28 29 30

B: 2 7 10 12 14 16 21 24 26 28

C: 2 3 4 7 10 12 14 15 16 21 24 25 26 28 29

D: 4 7 10 12 14 21 24 26 28

E: 2 3 4 7 10 11 12 14 21 24 26 28 29 30

G: 1 3 6 9 10 11 13 17 18 19 21 23 25 26 27 29 30 31

H: 1 3 6 9 11 13 17 21 23 25 29

I: 1 3 6 9 11 13 17 18 21 22 23 25 29 30

J: 1 3 6 9 11 13 17 21 22 23 25 29

K: 2 6 9 10 11 13 14 15 17 18 19 21 23 25 26 27 29 30 31

Background: following given instructions and established conditions are essential for writing a good algorithm. Two dimensional arrays (matrix) are used in many fields connected to coding.