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Challenge #106: How Long were the Lights On?

Srinivasan_Bala
7 - Meteor

Solution attached

BronzeFox
8 - Asteroid
Spoiler
I got stuck where my multirow formula wasn't accounting for all the duplicate people in a room at a time. Then saw the 2 tool solutions and mind blown. Such an easier way at solving.
Racam1989
7 - Meteor

Great use of the Multi-Row Formula tool here. Don't know if this is the most elegant solution, but it works.

 

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pgneal
8 - Asteroid

My solution.  I think I went around the world to cross the street.

 

Thanks.

 

 

derekbelyea
12 - Quasar
Spoiler
derekbelyea_0-1624408748791.png

 

Nethrah24
8 - Asteroid

Done

ncrlelia
8 - Asteroid

Challenge 106

Jonny
11 - Bolide

my solution:

 

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Jonny_4-1625562671392.png

 

 


 

 


 

Spoiler

 

beccat
8 - Asteroid

Solved it twice...first my longer method:

 

Spoiler
beccat_0-1626355844006.png

 

Then I used previous solutions to work on understanding the "two tool" solution (great way to learn!!):

 

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beccat_1-1626355903617.png

 

IraWatt
8 - Asteroid

Nice challenge, my solution:

 

Spoiler
IraWatt_0-1626430823740.png