Challenge #106: How Long were the Lights On?

[griffinwelsh]

My solution

[HyungchanRho]

Solution of #106

[Gugum]

My Weekly Challange #106 : How Long were the Lights On?

[cmoussa]

[SunkyuHan]

Here I am.

[DylanBell]

My solution:

[DylanBell]

My solution

[KLTerrell]

My (admittedly, a bit clunky) attempt (not as cool as the solutions using Generate Rows - I need to work on that tool!)

Spoiler

 

[blairmbailey]

Solution attached! Thank you!