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www.mikescher.com/www/statics/aoc/2019/23_solution-1.ts
2019-12-24 13:34:32 +01:00

354 lines
8.3 KiB
TypeScript

namespace AdventOfCode2019_23_1
{
const DAY = 23;
const PROBLEM = 1;
export async function run()
{
let input = await AdventOfCode.getInput(DAY);
if (input == null) return;
const code = input.trim().split(",").map(p => parseInt(p.trim()));
let intps = new Array<Interpreter>(50);
for(let i=0; i<50; i++) intps[i] = new Interpreter(code, [i]);
for(let i=0; i<50; i++) intps[i].blocking_io = false;
let counter = new Array<number>(50*50).fill(0);
const IDS = [
'0','1','2','3','4','5','6','7','8','9',
'A','B','C','D','E','F','G','H','I','J',
'K','L','M','N','O','P','Q','R','S','T',
'U','V','W','X','Y','Z','a','b','c','d',
'e','f','g','h','i','j','k','l','m','n',
'o','p','q','r','s','t','u','v','w','x',
'y','z'
];
for(;;)
{
for(let i=0; i<50; i++)
{
intps[i].singleStep();
if (intps[i].output.length === 3)
{
let d = intps[i].output[0];
let x = intps[i].output[1];
let y = intps[i].output[2];
intps[i].output = [];
if (d === 255)
{
AdventOfCode.output(DAY, PROBLEM, y.toString());
return;
}
intps[d].inputqueue.push(x);
intps[d].inputqueue.push(y);
AdventOfCode.outputConsole(`[${i}] --[${x}|${y}]--> [${d}]`)
counter[i*50+d]++;
}
}
if (AdventOfCode.Config.immediateOutputEnabled)
{
let str = " ";
for (let dst = 0; dst < 50; dst++) str += IDS[dst] + " ";
str += "\n";
for (let src = 0; src < 50; src++)
{
str += IDS[src] + " ";
for (let dst = 0; dst < 50; dst++)
{
const v = counter[src*50+dst];
if (v === 0) str += "." + " ";
else if (v %2 === 1) str += "#" + " ";
else if (v %2 === 0) str += "X" + " ";
}
str += "\n";
}
await AdventOfCode.outputIntermed(str);
}
}
}
class Interpreter
{
program: InfMem;
inputqueue: number[];
instructionpointer: number;
output: number[];
relative_base: number;
blocking_io: boolean;
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;
this.blocking_io = true;
}
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;
}
autoRun() : StepResult
{
while(!this.is_halted)
{
const r = this.singleStep();
if (r === StepResult.EXECUTED) continue;
if (r === StepResult.HALTED) return StepResult.HALTED;
if (r === StepResult.WAITING_FOR_IN) return StepResult.WAITING_FOR_IN;
throw "unknown output of singleStep";
}
return StepResult.HALTED;
}
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)
{
if (this.blocking_io) return StepResult.WAITING_FOR_IN;
cmd.setParameter(this, 0, -1);
this.incInstrPtr(cmd);
return StepResult.EXECUTED;
}
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;
}
}
}