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\$\begingroup\$ I was going to suggest 2^(l*r)+2^(t*b)==4100 to check the numbers, but it seems both our solutions are tricked by 2,6 in place of 3,4. \$\endgroup\$

xnor
– xnor

2018-02-04 19:57:29 +00:00
Commented Feb 4, 2018 at 19:57
\$\begingroup\$ @xnor but the numbers are restricted to 0..4 \$\endgroup\$

Οurous
– Οurous

2018-02-04 20:01:18 +00:00
Commented Feb 4, 2018 at 20:01
3

\$\begingroup\$ @Οurous Thanks, I missed that. Then arithmetic expressions can be optimized even more, like (l*r-1)*(t*b-1)==11. \$\endgroup\$

xnor
– xnor

2018-02-04 20:04:12 +00:00
Commented Feb 4, 2018 at 20:04

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