Please enable JavaScript.
Coggle requires JavaScript to display documents.
12 Coin Weighing Problem (1 2 3 4 & 5 6 7 8 :star: (1 2 3 4 LIGHT (1 2…
12 Coin Weighing Problem
1 2 3 4 & 5 6 7 8
:star:
1 2 3 4 5 6 7 8 EQUAL
6 7 8 & 9 10 11
: : : : : :star:
9 10 11 LIGHT (CONTAINS FAKE) ETC SAME AS 9 10 11 HEAVY SOLUTION IN BRANCH BELOW)
9 10 11 HEAVY [CONTAINS FAKE]
9 & 10 :star:
9 HEAVY FAKE
10 HEAVY FAKE
9 & 10 EQUAL ---> 11 HEAVY FAKE
EQUAL --> 12 IS FAKE
12 & 8 :star:
12 HEAVY FAKE
12 LIGHT FAKE
1 2 3 4 HEAVY DUPLICATE LOGIC
FOR 1 2 3 4 LIGHT
1 2 3 4 LIGHT
1 2 5 & 3 6 7 :star:
1 2 5 LIGHT
[1 OR 2 ARE LIGHT FAKE
6 OR 7 IS HEAVY FAKE]
1 6 & 11 12 :star:
1 6 LIGHT ---> 1 IS LIGHT FAKE
1 6 HEAVY ---> 6 HEAVY FAKE
EQUAL
2 IS LIGHT FAKE
OR
7 HEAVY FAKE
AARRGGH!
1 2 5 HEAVY
EQUAL
[4 IS LIGHT FAKE
8 IS HEAVY FAKE]
4 & 12 :star:
4 LIGHT FAKE
HEAVY NOT POSSIBLE
EQUAL ---> 8 IS HEAVY FAKE
1 2 5 6 & 9 10 11 12 :star:
1256 LIGHT
[ 1 or 2 L & fake]
1 & 2 :star:
1 LIGHT FAKE
2 LIGHT FAKE
1256 HEAVY
5 & 6 :star:
5 HEAVY FAKE
6 HEAVY FAKE
EQUAL
{3 OR 4 LIGHT FAKE} OR
{7 OR 8 HEAVY FAKE}
3 8 & 7 12 :star:
3 8 LIGHT
{3 LIGHT FAKE OR 7 HEAVY FAKE}
*
AAARGGH
*
3 8 HEAVY -----> 8 HEAVY FAKE
EQUAL -------> 4 LIGHT FAKE