Thief, Police and the Building
Thief, Police and the Building is a newly invented programming language but it isn't started to use by programmers, possibly because it's not so convenient.
The expanation of the commands are written in natural language. Here is the list:
Code
Init (You must write these)
A thief on [number]/F: It means that there is a thief on[number]/F, especially, when[number]isG, it means that the thief is on the ground floor. When[number]is a negative number, it means the thief is in the basement.Set SoE -> [number]F/s: Set the speed of elevator to[number]floors per second.Set SoS -> [number]F/s: Set the speed of climbing stairs to[number]floors per second.top: [number]-th floor: Claim that the top floor is[number]-th floor.([number]>0 or[number]=G)btm: [number]-th floor: Claim that the bottom floor is[number]-th floor. ([number]<0 or[number]=G)
[n/F char 1] [n/F char 2] [n/F char 3] ... [n/F char m] [n-1/F char 1] [n-1/F char 2] [n-1/F char 3] ... [n-1/F char m] [n-2/F char 1] [n-2/F char 2] [n-2/F char 3] ... [n-2/F char m] ... [1/F char 1] [1/F char 2] [1/F char 3] ... [1/F char m] G/F [G/F char 1] [G/F char 2] [G/F char 3] ... [G/F char m] [-1/F char 1] [-1/F char 2] [-1/F char 3] ... [-1/F char m] [-2/F char 1] [-2/F char 2] [-2/F char 3] ... [-2/F char m] ... [-t/F char 1] [-t/F char 2] [-t/F char 3] ... [-t/F char m]
These bunch of things means all rooms from the n-th floor to basement t-th floor. Each floor has m rooms. Each room is a char.
Movement
He gets into the elevator and gets [string(up/down)]: The thief gets into the elevator and gets[string(up/down)].He stays in the elevator for [number]s: The thief stays in the elevator for[number]seconds. In other words, he gets up/down[number] * SoEfloors.He gets into the stair room and gets [string(up/down)]: The thief gets into the elevator and gets[string(up/down)].He stays in the stair room for [number]s: The thief stays in the stair room for[number]seconds. In other words, he gets up/down[number] * SoSfloors.He gets out: The thief gets out from the elevator/stair room.He climbs into [number]-th room and steals: The thief steals the[number]-th room on the floor. So a char was in his bag. This char is the same as the char in the Init part you just read:The police have come: Print all the chars in the thief's bag in the order that he steals, then terminate the program.
Commands and Program States
A command's validity constitutes a dependency upon the current preceding actions, which ultimately delineates an underlying state machine for the thief's options at any instant.
The program incorporates a quadruple of possible states, each either obtained from the thief's location or the police as a parhedral actor:
| State | Role |
|---|---|
| in floor | The thief roams freely in the building. |
| in elevator | The thief has entered the elevator. |
| in stair room | The thief has entered the stair room. |
| in custody | The police have arrived. |
A concomitant to the states, a septuple tally of events serves in the state machine's completion, any among these corresponding to a Thief, Police and the Building command:
| Command | Event |
|---|---|
He gets into the elevator and gets …
|
enter elevator |
He gets into the stair room and gets …
|
enter stair room |
He stays in the elevator for …
|
operate elevator |
He stays in the stair room for …
|
climb stair room |
He gets out
|
leave |
He climbs into …-th number and steals
|
rob room |
The police have come
|
encounter police |
The following UML state diagram serves in the dependencies' visual replication:
Examples
Hello, World!
A thief on G/F Set SoE -> 3F/s Set SoS -> 1F/s top: G-th floor btm: -3-th floor G/F H e l l o , a b c d e f 2 3 j k l m W o r l d ! He climbs into 1-th room and steals He climbs into 2-th room and steals He climbs into 3-th room and steals He climbs into 4-th room and steals He climbs into 5-th room and steals He climbs into 6-th room and steals He gets into the elevator and gets down He stays in the elevator for 1s He gets out He climbs into 1-th room and steals He climbs into 2-th room and steals He climbs into 3-th room and steals He climbs into 4-th room and steals He climbs into 5-th room and steals He climbs into 6-th room and steals The police have come
Kiwiscript
This program utilizes a difference in the elevator's and stair room's celerity, producing a rather tortuous negotiation across the premise, in the pursuit to print the message “kiwi”:
A thief on -1/F Set SoE -> 2F/s Set SoS -> 1F/s top: 3-th floor btm: -1-th floor q w e r t y u i o p a s d f g h j k l ] z x c v b n m , . ! G/F 0 1 2 3 4 5 6 7 8 9 _ _ _ _ _ _ _ _ _ _ He gets into the elevator and gets up He stays in the elevator for 2s He gets out He gets into the stair room and gets down He stays in the stair room for 1s He gets out He climbs into 8-th room and steals He gets into the stair room and gets down He stays in the stair room for 1s He gets out He gets into the elevator and gets up He stays in the elevator for 1s He gets out He climbs into 8-th room and steals He climbs into 2-th room and steals He climbs into 8-th room and steals The police have come
Interpreter
- Common Lisp implementation of the Thief, Police and the Building programming language.