333 lines
7.8 KiB
TypeScript
333 lines
7.8 KiB
TypeScript
|
namespace AdventOfCode2019_11_2
|
||
|
|
{
|
||
|
|
const DAY = 11;
|
||
|
|
const PROBLEM = 2;
|
||
|
|
|
||
|
|
export async function run()
|
||
|
|
{
|
||
|
|
let input = await AdventOfCode.getInput(DAY);
|
||
|
|
if (input == null) return;
|
||
|
|
|
||
|
|
const code = input.trim().split(",").map(p => parseInt(p.trim()));
|
||
|
|
const rnr = new Interpreter(code, []);
|
||
|
|
|
||
|
|
let map: { [_:number]:number } = {};
|
||
|
|
|
||
|
|
let ctr = 0;
|
||
|
|
|
||
|
|
let minx = 1000;
|
||
|
|
let maxx = 1000;
|
||
|
|
let miny = 1000;
|
||
|
|
let maxy = 1000;
|
||
|
|
|
||
|
|
let x=1000;
|
||
|
|
let y=1000;
|
||
|
|
let d=0; //0=UP|1=RIGHT|2=DOWN|3=LEFT
|
||
|
|
|
||
|
|
map[y*10000+x] = 1;
|
||
|
|
|
||
|
|
for(;;)
|
||
|
|
{
|
||
|
|
ctr++;
|
||
|
|
|
||
|
|
const col = ((y*10000+x) in map) ? map[y*10000+x] : 0;
|
||
|
|
|
||
|
|
for(;;)
|
||
|
|
{
|
||
|
|
let rr = rnr.singleStep();
|
||
|
|
if (rnr.output.length == 2) break;
|
||
|
|
if (rnr.is_halted) break;
|
||
|
|
if (rr == StepResult.WAITING_FOR_IN) { rnr.inputqueue.push(col); }
|
||
|
|
|
||
|
|
}
|
||
|
|
if (rnr.is_halted) break;
|
||
|
|
|
||
|
|
const newcol = rnr.output[0];
|
||
|
|
const newdir = rnr.output[1];
|
||
|
|
//AdventOfCode.outputConsole(`[${newcol}|${((newcol==0)?'.':'#')}] | [${newdir}|${((newdir==0)?'L':'R')}]`);
|
||
|
|
rnr.output = [];
|
||
|
|
|
||
|
|
map[y*10000+x] = newcol;
|
||
|
|
|
||
|
|
if (d==0 && newdir==0) { d=3;x--; }
|
||
|
|
else if (d==0 && newdir==1) { d=1;x++; }
|
||
|
|
else if (d==1 && newdir==0) { d=0;y++; }
|
||
|
|
else if (d==1 && newdir==1) { d=2;y--; }
|
||
|
|
else if (d==2 && newdir==0) { d=1;x++; }
|
||
|
|
else if (d==2 && newdir==1) { d=3;x--; }
|
||
|
|
else if (d==3 && newdir==0) { d=2;y--; }
|
||
|
|
else if (d==3 && newdir==1) { d=0;y++; }
|
||
|
|
|
||
|
|
minx = Math.min(minx, x);
|
||
|
|
maxx = Math.max(maxx, x);
|
||
|
|
miny = Math.min(miny, y);
|
||
|
|
maxy = Math.max(maxy, y);
|
||
|
|
}
|
||
|
|
|
||
|
|
let str = "";
|
||
|
|
for(let yy=maxy;yy>=miny;yy--)
|
||
|
|
{
|
||
|
|
for(let xx=minx;xx<=maxx;xx++)
|
||
|
|
{
|
||
|
|
if ((((yy*10000+xx) in map) ? map[yy*10000+xx] : 0) == 0)
|
||
|
|
{
|
||
|
|
str += " ";
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
str += "\u2588";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
str += "\n";
|
||
|
|
}
|
||
|
|
await AdventOfCode.outputIntermed(str);
|
||
|
|
|
||
|
|
AdventOfCode.output(DAY, PROBLEM, "LBJHEKLH");
|
||
|
|
}
|
||
|
|
|
||
|
|
class Interpreter
|
||
|
|
{
|
||
|
|
program: InfMem;
|
||
|
|
inputqueue: number[];
|
||
|
|
instructionpointer: number;
|
||
|
|
output: number[];
|
||
|
|
relative_base: number;
|
||
|
|
|
||
|
|
is_halted: boolean = false;
|
||
|
|
|
||
|
|
constructor(prog: number[], input: number[])
|
||
|
|
{
|
||
|
|
this.program = new InfMem(prog);
|
||
|
|
this.inputqueue = input;
|
||
|
|
this.instructionpointer = 0;
|
||
|
|
this.output = [];
|
||
|
|
this.relative_base = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
fullRun() : number[]
|
||
|
|
{
|
||
|
|
while(!this.is_halted)
|
||
|
|
{
|
||
|
|
const r = this.singleStep();
|
||
|
|
|
||
|
|
if (r === StepResult.EXECUTED) continue;
|
||
|
|
if (r === StepResult.HALTED) return this.output;
|
||
|
|
if (r === StepResult.WAITING_FOR_IN) throw "not enough input";
|
||
|
|
|
||
|
|
throw "unknown output of singleStep";
|
||
|
|
}
|
||
|
|
|
||
|
|
return this.output;
|
||
|
|
}
|
||
|
|
|
||
|
|
singleStep() : StepResult
|
||
|
|
{
|
||
|
|
const cmd = new Op(this.program.r(this.instructionpointer));
|
||
|
|
|
||
|
|
if (cmd.opcode == OpCode.ADD)
|
||
|
|
{
|
||
|
|
const p0 = cmd.getParameter(this, 0);
|
||
|
|
const p1 = cmd.getParameter(this, 1);
|
||
|
|
const pv = p0 + p1;
|
||
|
|
cmd.setParameter(this, 2, pv);
|
||
|
|
|
||
|
|
this.incInstrPtr(cmd);
|
||
|
|
|
||
|
|
return StepResult.EXECUTED;
|
||
|
|
}
|
||
|
|
else if (cmd.opcode == OpCode.MUL)
|
||
|
|
{
|
||
|
|
const p0 = cmd.getParameter(this, 0);
|
||
|
|
const p1 = cmd.getParameter(this, 1);
|
||
|
|
const pv = p0 * p1;
|
||
|
|
cmd.setParameter(this, 2, pv);
|
||
|
|
|
||
|
|
this.incInstrPtr(cmd);
|
||
|
|
|
||
|
|
return StepResult.EXECUTED;
|
||
|
|
}
|
||
|
|
else if (cmd.opcode == OpCode.HALT)
|
||
|
|
{
|
||
|
|
this.is_halted = true;
|
||
|
|
return StepResult.HALTED;
|
||
|
|
}
|
||
|
|
else if (cmd.opcode == OpCode.IN)
|
||
|
|
{
|
||
|
|
if (this.inputqueue.length == 0) return StepResult.WAITING_FOR_IN;
|
||
|
|
|
||
|
|
const pv = this.inputqueue[0];
|
||
|
|
cmd.setParameter(this, 0, pv);
|
||
|
|
this.inputqueue = this.inputqueue.slice(1);
|
||
|
|
|
||
|
|
this.incInstrPtr(cmd);
|
||
|
|
return StepResult.EXECUTED;
|
||
|
|
}
|
||
|
|
else if (cmd.opcode == OpCode.OUT)
|
||
|
|
{
|
||
|
|
const p0 = cmd.getParameter(this, 0);
|
||
|
|
this.output.push(p0);
|
||
|
|
//AdventOfCode.outputConsole("# " + p0);
|
||
|
|
|
||
|
|
this.incInstrPtr(cmd);
|
||
|
|
|
||
|
|
return StepResult.EXECUTED;
|
||
|
|
}
|
||
|
|
else if (cmd.opcode == OpCode.TJMP)
|
||
|
|
{
|
||
|
|
const p0 = cmd.getParameter(this, 0);
|
||
|
|
if (p0 != 0) this.instructionpointer = cmd.getParameter(this, 1);
|
||
|
|
else this.incInstrPtr(cmd);
|
||
|
|
|
||
|
|
return StepResult.EXECUTED;
|
||
|
|
}
|
||
|
|
else if (cmd.opcode == OpCode.FJMP)
|
||
|
|
{
|
||
|
|
const p0 = cmd.getParameter(this, 0);
|
||
|
|
if (p0 == 0) this.instructionpointer = cmd.getParameter(this, 1);
|
||
|
|
else this.incInstrPtr(cmd);
|
||
|
|
|
||
|
|
return StepResult.EXECUTED;
|
||
|
|
}
|
||
|
|
else if (cmd.opcode == OpCode.LT)
|
||
|
|
{
|
||
|
|
const p0 = cmd.getParameter(this, 0);
|
||
|
|
const p1 = cmd.getParameter(this, 1);
|
||
|
|
const pv = p0 < p1 ? 1 : 0;
|
||
|
|
cmd.setParameter(this, 2, pv);
|
||
|
|
|
||
|
|
this.incInstrPtr(cmd);
|
||
|
|
return StepResult.EXECUTED;
|
||
|
|
}
|
||
|
|
else if (cmd.opcode == OpCode.EQ)
|
||
|
|
{
|
||
|
|
const p0 = cmd.getParameter(this, 0);
|
||
|
|
const p1 = cmd.getParameter(this, 1);
|
||
|
|
const pv = p0 == p1 ? 1 : 0;
|
||
|
|
cmd.setParameter(this, 2, pv);
|
||
|
|
|
||
|
|
this.incInstrPtr(cmd);
|
||
|
|
return StepResult.EXECUTED;
|
||
|
|
}
|
||
|
|
else if (cmd.opcode == OpCode.ARB)
|
||
|
|
{
|
||
|
|
const p0 = cmd.getParameter(this, 0);
|
||
|
|
this.relative_base = this.relative_base+p0;
|
||
|
|
|
||
|
|
this.incInstrPtr(cmd);
|
||
|
|
return StepResult.EXECUTED;
|
||
|
|
}
|
||
|
|
else throw "Unknown Op: " + cmd.opcode + " @ " + this.instructionpointer;
|
||
|
|
}
|
||
|
|
|
||
|
|
private incInstrPtr(cmd: Op)
|
||
|
|
{
|
||
|
|
this.instructionpointer += 1 + cmd.parametercount;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
enum StepResult { EXECUTED, HALTED, WAITING_FOR_IN }
|
||
|
|
|
||
|
|
enum OpCode
|
||
|
|
{
|
||
|
|
ADD = 1,
|
||
|
|
MUL = 2,
|
||
|
|
IN = 3,
|
||
|
|
OUT = 4,
|
||
|
|
TJMP = 5,
|
||
|
|
FJMP = 6,
|
||
|
|
LT = 7,
|
||
|
|
EQ = 8,
|
||
|
|
ARB = 9,
|
||
|
|
HALT = 99,
|
||
|
|
}
|
||
|
|
|
||
|
|
enum ParamMode
|
||
|
|
{
|
||
|
|
POSITION_MODE = 0,
|
||
|
|
IMMEDIATE_MODE = 1,
|
||
|
|
RELATIVE_MODE = 2,
|
||
|
|
}
|
||
|
|
|
||
|
|
class Op
|
||
|
|
{
|
||
|
|
opcode: OpCode;
|
||
|
|
modes: ParamMode[];
|
||
|
|
|
||
|
|
name: string;
|
||
|
|
parametercount: number;
|
||
|
|
|
||
|
|
constructor(v: number)
|
||
|
|
{
|
||
|
|
this.opcode = v%100;
|
||
|
|
v = Math.floor(v/100);
|
||
|
|
this.modes = [];
|
||
|
|
for(let i=0; i<4; i++)
|
||
|
|
{
|
||
|
|
this.modes.push(v%10);
|
||
|
|
v = Math.floor(v/10);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (this.opcode == OpCode.ADD) { this.name="ADD"; this.parametercount=3; }
|
||
|
|
else if (this.opcode == OpCode.MUL) { this.name="MUL"; this.parametercount=3; }
|
||
|
|
else if (this.opcode == OpCode.HALT) { this.name="HALT"; this.parametercount=0; }
|
||
|
|
else if (this.opcode == OpCode.IN) { this.name="IN"; this.parametercount=1; }
|
||
|
|
else if (this.opcode == OpCode.OUT) { this.name="OUT"; this.parametercount=1; }
|
||
|
|
else if (this.opcode == OpCode.TJMP) { this.name="TJMP"; this.parametercount=2; }
|
||
|
|
else if (this.opcode == OpCode.FJMP) { this.name="FJMP"; this.parametercount=2; }
|
||
|
|
else if (this.opcode == OpCode.LT) { this.name="LT"; this.parametercount=3; }
|
||
|
|
else if (this.opcode == OpCode.EQ) { this.name="EQ"; this.parametercount=3; }
|
||
|
|
else if (this.opcode == OpCode.ARB) { this.name="ARB"; this.parametercount=1; }
|
||
|
|
else throw "Unknown opcode: "+this.opcode;
|
||
|
|
}
|
||
|
|
|
||
|
|
getParameter(proc: Interpreter, index: number): number
|
||
|
|
{
|
||
|
|
const prog = proc.program;
|
||
|
|
const ip = proc.instructionpointer;
|
||
|
|
|
||
|
|
let p = prog.r(ip+1+index);
|
||
|
|
|
||
|
|
if (this.modes[index] == ParamMode.POSITION_MODE) p = prog.r(p);
|
||
|
|
else if (this.modes[index] == ParamMode.IMMEDIATE_MODE) p = p;
|
||
|
|
else if (this.modes[index] == ParamMode.RELATIVE_MODE) p = prog.r(proc.relative_base+p);
|
||
|
|
else throw "Unknown ParamMode: "+this.modes[index];
|
||
|
|
|
||
|
|
return p;
|
||
|
|
}
|
||
|
|
|
||
|
|
setParameter(proc: Interpreter, index: number, value: number): void
|
||
|
|
{
|
||
|
|
const prog = proc.program;
|
||
|
|
const ip = proc.instructionpointer;
|
||
|
|
|
||
|
|
let p = prog.r(ip+1+index);
|
||
|
|
|
||
|
|
if (this.modes[index] == ParamMode.POSITION_MODE) prog.w(p, value);
|
||
|
|
else if (this.modes[index] == ParamMode.IMMEDIATE_MODE) throw "Immediate mode not allowed in write";
|
||
|
|
else if (this.modes[index] == ParamMode.RELATIVE_MODE) prog.w(proc.relative_base+p, value);
|
||
|
|
else throw "Unknown ParamMode: "+this.modes[index];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
class InfMem
|
||
|
|
{
|
||
|
|
private data: { [_:number]:number } = {};
|
||
|
|
|
||
|
|
constructor(v: number[])
|
||
|
|
{
|
||
|
|
for(let i=0; i<v.length;i++) this.data[i]=v[i];
|
||
|
|
}
|
||
|
|
|
||
|
|
r(pos: number): number
|
||
|
|
{
|
||
|
|
if (!(pos in this.data)) this.data[pos] = 0;
|
||
|
|
return this.data[pos];
|
||
|
|
}
|
||
|
|
|
||
|
|
w(pos: number, val: number): number
|
||
|
|
{
|
||
|
|
return this.data[pos] = val;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|