Friday, July 5, 2019

pattern - What is an Explosive Word™?


This is in the spirit of the What is a Word/Phrase™ series started by JLee with a special brand of Phrase™ and Word™ puzzles.




If a word conforms to a special rule, I call it an Explosive Word™.


Use the following examples below to find the rule.


___________________________

| EXPLOSIVE | UNEXPLOSIVE|
+------------+------------+
| GOOD | NEW |
| FIRST | LAST |
| LONG | OWN |
| GREAT | OTHER |
| LITTLE | RIGHT |
| OLD | BIG |
| DIFFERENT | HIGH |
| SMALL | YOUNG |

| LARGE | FEW |
| NEXT | ABLE |
| EARLY | GET |
| IMPORTANT | GO |
| PUBLIC | WANT |
| BAD | FEEL |
| SAME | CALL |
| BE | DAY |
| HAVE | MAN |
| DO | WORLD |

| SAY | POINT |
| MAKE | FACT |
| KNOW | BOMB |
+------------+------------+

CSV version:


EXPLOSIVE WORD, NON EXPLOSIVE WORD
GOOD, NEW
FIRST, LAST
LONG, OWN

GREAT, OTHER
LITTLE, RIGHT
OLD, BIG
DIFFERENT, HIGH
SMALL, YOUNG
LARGE, FEW
NEXT, ABLE
EARLY, GET
IMPORTANT, GO
PUBLIC, WANT

BAD, FEEL
SAME, CALL
BE, DAY
HAVE, MAN
DO, WORLD
SAY, POINT
MAKE, FACT
KNOW, BOMB

Hint #1:




Hello -> Hlo, el




Answer



An Unexplosive Word™ is one where ...



... the sums of the ASCII codes of both the even letters and the odd letters of the word are odd. This also explains Peregrine Rook's finding that the total sum of ASCII codes of such words is always even. For example:

OTHER:     (O:79) + (H:72) + (R:82) = 233;     (T:84) + (E:69) = 153

Because only evenness is important, the sum can be made over the alphabet position (A=1, B=2, etc.) instead.



An Explosive Word™ is a word that isn't Unexplosie™.


As for the name:




I can only assume that it has to do with "exploding" the word into odd and even parts, just like parts are separated in an explosive view.

I really wouldn't have gotten this without the last hint.



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