Coding of Objects
Mom = M
Dad = D
1st Son = Sn 1
2nd Son = Sn 2
1st Daughter = Dtr 1
2nd Daughter = Dtr 2
Police Officer = P/O
Convict = Cvt
Meaning of Signs
A = Point of Origin of which the subjects are stranded.
B = Point of Destination of which the subjects intend to reach safely
Meaning of signals
-----------------------------> To point B from A
<----------------------------- From point B to A
Soln:-Point A Point B
1[SUP]st[/SUP] Trip
P/O + Cvt --------------------------------------------> C
P/O <-------------------------------------------
2[SUP]nd[/SUP] Trip
P/O + Dtr 1 --------------------------------------------> Dtr 1
P/O + C<-------------------------------------------
3rd Trip
Sn 1 + Dtr 2 --------------------------------------------> Dtr 2, Dtr 1
Sn 1 <-------------------------------------------
4th Trip
Sn 1 + Sn 2 --------------------------------------------> Sn 1, Dtr 2, Dtr 1
Sn 2 <-------------------------------------------
5th Trip
Sn 2 + F --------------------------------------------> Sn 2, Sn 1, Dtr 1 & Dtr 2
F <-------------------------------------------
6th Trip
P/O + Cvt --------------------------------------------> P/O, Cvt, Sn 2, Dtr 1 & Dtr 2
Sn 1 <-------------------------------------------
7th Trip
Sn 1 + F --------------------------------------------> F,P/O, Cvt, Sn 2, Dtr 1 & Dtr 2
Sn 1 <-------------------------------------------
8th Trip
Sn 1 + M --------------------------------------------> P/O, Cvt, M, F, Sn 1, Sn 2, Dtr 1 & Dtr 2.
Unfortunately understanding the answer too needs an easy understanding mind lolz,
Yo Yo could you please provide the results?