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 A Skirmish (Posted on 2014-02-05)
Three goblins traveling together chanced to encounter a giant, who was alone, and two ogres, who were walking together. A skirmish broke out among them and all combatants suffered bumps and bruises. . Their weapons included 3 clubs, 2 staves, and 1 sling, used for hurling stones.

1. The names of the six contenders were: Opi, Rido, Som, Sumo, Tor and Zeb.
2. No goblin used a staff, nor did Tor.
3. The two ogres used different weapons.
4. The sling was used by one of the goblins.
5. Som, who was not an ogre, used a staff.
6. Opi did not use a club, nor was he a goblin.
7. Tor and Zeb used different weapons.
From the above statements, find out which ones were the goblins, which ones were the ogres, which one was the giant, and what weapon did each use?

 No Solution Yet Submitted by K Sengupta No Rating

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 computer solution: 6 scenarios? | Comment 1 of 3

DECLARE SUB permute (a\$)
CLS
DIM typ AS STRING, weap AS STRING

typ = "gggoot": ht\$ = typ    'goblin, ogre, giant
DO
weap = "cccssl": hw\$ = weap        'club, staff, sling
DO

good = 1
o1\$ = "": gslingct = 0
IF MID\$(weap, 5, 1) = "s" THEN good = 0
FOR i = 1 TO 6
IF MID\$(typ, i, 1) = "g" AND MID\$(weap, i, 1) = "s" THEN good = 0
IF MID\$(typ, i, 1) = "o" THEN
IF o1\$ = "" THEN
o1\$ = MID\$(weap, i, 1)
ELSE
IF o1\$ = MID\$(weap, i, 1) THEN good = 0
END IF
END IF
IF MID\$(typ, i, 1) = "g" AND MID\$(weap, i, 1) = "l" THEN gslingct = gslingct + 1
NEXT
IF gslingct = 0 THEN good = 0
IF MID\$(typ, 3, 1) = "o" THEN good = 0
IF MID\$(weap, 3, 1) <> "s" THEN good = 0
IF MID\$(typ, 1, 1) = "g" THEN good = 0
IF MID\$(weap, 1, 1) = "c" THEN good = 0
IF MID\$(weap, 5, 1) = MID\$(weap, 6, 1) THEN good = 0
IF good THEN PRINT typ: PRINT weap: PRINT

permute weap
LOOP UNTIL weap = hw\$
permute typ
LOOP UNTIL typ = ht\$

finds

`ogtggoscsclc`
`ogtgogscsccl`
`ogtoggscsccl`
`ogtoggscsclc`
`ootgggscsccl`
`ootgggscsclc`

where the order for each scenario is the original given name order: Opi, Rido, Som, Sumo, Tor and Zeb. The first line has g, t and o to represent goblin, giant and ogre respectively, and the second line has s, c and l to represent staff, club and sling.

 Posted by Charlie on 2014-02-05 12:33:12

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