TypeScript Day 9

This commit is contained in:
Tobias Berger 2020-11-19 16:37:26 +01:00 committed by Tobias Berger
parent 60b37d448f
commit 43b14b582a
Signed by: toby
GPG key ID: 2D05EFAB764D6A88
9 changed files with 147867 additions and 0 deletions

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# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
# yarn lockfile v1
yarn-path ".yarn/releases/yarn-1.22.10.cjs"

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{
"scripts": {
"lint": "prettier solution_a.ts solution_b.ts --write --print-width=120",
"a": "ts-node solution_a.ts",
"b": "ts-node solution_b.ts"
},
"devDependencies": {
"prettier": "^2.1.2"
},
"dependencies": {
"@types/node": "^14.14.8",
"ts-node": "^9.0.0",
"typescript": "^4.0.5"
},
"license": "WTFPL"
}

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import * as fs from "fs";
import { relative } from "path";
const fsPromises = fs.promises;
import * as readline from "readline";
const rl = readline.createInterface(process.stdin, process.stdout);
enum ParameterMode {
position = 0,
immediate = 1,
relative = 2,
}
enum Instruction {
add = 1,
mul = 2,
inp = 3,
out = 4,
jnz = 5,
jz = 6,
lt = 7,
eq = 8,
rel = 9,
end = 99,
}
type Memory = Array<OpCode>;
class OpCode {
private _executable: boolean = false;
private _literalValue: number = 0;
private _instruction?: Instruction;
private _parameterModes?: [a: ParameterMode, b: ParameterMode, c: ParameterMode];
constructor(value: number);
constructor(value: string);
constructor(value: string | number) {
let valueNumber: number;
let valueString: string;
if (typeof value === "number") {
valueNumber = value;
valueString = value.toString();
} else {
valueString = value;
valueNumber = parseInt(value);
}
if (isNaN(valueNumber)) throw new Error(`Invalid value '${value}' for OpCode.`);
valueString = valueString.padStart(5, "0");
this._literalValue = valueNumber;
if (valueNumber >= 0 && valueNumber <= 99999 && valueNumber % 100 in Instruction) {
const parameterModes: [ParameterMode, ParameterMode, ParameterMode] = [
Math.floor(valueNumber / 10000) % 10,
Math.floor(valueNumber / 1000) % 10,
Math.floor(valueNumber / 100) % 10,
];
if (parameterModes.filter((val) => val in ParameterMode).length === 3) {
this._parameterModes = parameterModes;
this._instruction = valueNumber % 100;
} else {
return;
}
this._executable = true;
}
}
get executable() {
if (this._instruction === undefined || this._parameterModes === undefined) {
this._executable = false;
}
return this._executable;
}
get literalValue() {
return this._literalValue;
}
get instruction() {
return this._instruction;
}
get parameterModes() {
return this._parameterModes;
}
toString() {
return this.literalValue.toString();
}
}
class Machine {
private readonly initialMemory: Memory;
private memory: Memory;
constructor(program: Memory) {
this.initialMemory = program;
this.memory = program;
}
parseParam(value: number, mode: ParameterMode, relativeOffset: number) {
switch (mode) {
case ParameterMode.immediate:
return value;
case ParameterMode.position:
return this.memory[value]?.literalValue ?? 0;
case ParameterMode.relative:
return this.memory[value + relativeOffset]?.literalValue ?? 0;
}
}
async run(debug: boolean = false) {
let index = 0;
let relative = 0;
let debugIteration = 0;
const debugLog = debug ? await fsPromises.open("out.log", "w") : undefined;
let output: number[] = [];
try {
while (index < this.memory.length) {
/*for (let i = 0; i < this.memory.length; i++) {
this.memory[i] = this.memory[i] ?? new OpCode(0);
}*/
if (debug) {
debugLog!.write(
`${(++debugIteration).toString().padStart(5, "0")};${relative
.toString()
.padStart(8, "0")};${index.toString().padStart(5, "0")};[${this.memory
.map((op) => op.literalValue)
.join(",")}]\n`
);
}
const opCode = this.memory[index];
if (!opCode.executable) {
throw new Error(`Tried executing non-executable value ${opCode.literalValue} at index ${index}`);
}
const parameterModes = opCode.parameterModes!;
const valueA = this.memory[index + 1]?.literalValue ?? 0;
const valueB = this.memory[index + 2]?.literalValue ?? 0;
const valueC = this.memory[index + 3]?.literalValue ?? 0;
const paramA = this.parseParam(valueA, parameterModes[2 - 0], relative);
const paramB = this.parseParam(valueB, parameterModes[2 - 1], relative);
const paramC = this.parseParam(valueC, parameterModes[2 - 2], relative);
if (debug) {
console.debug(`${opCode.literalValue}(${valueA}, ${valueB}, ${valueC});${this.memory[1028]?.literalValue}`);
}
switch (opCode.instruction) {
case Instruction.add:
if (debug) {
console.debug(
`Adding ${paramA}+${paramB} and writing ${paramA + paramB} to ${valueC} - OpCode ${opCode.literalValue}`
);
}
if (parameterModes[2 - 2] === ParameterMode.relative) {
this.memory[valueC + relative] = new OpCode(paramA + paramB);
} else {
this.memory[valueC] = new OpCode(paramA + paramB);
}
index += 4;
break;
case Instruction.mul:
if (debug) {
console.debug(
`Multiplying ${paramA}*${paramB} and writing ${paramA * paramB} to ${valueC} - OpCode ${
opCode.literalValue
}`
);
}
if (parameterModes[2 - 2] === ParameterMode.relative) {
this.memory[valueC + relative] = new OpCode(paramA * paramB);
} else {
this.memory[valueC] = new OpCode(paramA * paramB);
}
index += 4;
break;
case Instruction.inp:
let input = await new Promise<OpCode>((resolve, reject) => {
rl.question(`[${index.toString().padStart(5, "0")}]> `, (answer) => {
try {
const op = new OpCode(answer);
if (debug) {
console.debug(
`Writing opCode with value ${op.literalValue} to ${
parameterModes[2 - 0] === ParameterMode.relative ? valueA + relative : valueA
} - OpCode ${opCode.literalValue}`
);
}
resolve(op);
} catch (e) {
reject(e);
}
});
});
if (parameterModes[2 - 0] === ParameterMode.relative) {
this.memory[valueA + relative] = input;
} else {
this.memory[valueA] = input;
}
index += 2;
break;
case Instruction.out:
if (debug) {
console.debug(`Outputting ${paramA} - OpCode ${opCode.literalValue}`);
}
output.push(paramA);
index += 2;
break;
case Instruction.jnz:
if (debug) {
console.debug(`Testing if ${paramA}!=0, if so, jumping to ${paramB} - OpCode ${opCode.literalValue}`);
}
if (paramA !== 0) {
index = paramB;
} else {
index += 3;
}
break;
case Instruction.jz:
if (debug) {
console.debug(`Testing if ${paramA}==0, if so, jumping to ${paramB} - OpCode ${opCode.literalValue}`);
}
if (paramA === 0) {
index = paramB;
} else {
index += 3;
}
break;
case Instruction.lt:
if (debug) {
console.debug(
`Checking if ${paramA}<${paramB} and writing result to ${
parameterModes[2 - 2] === ParameterMode.relative ? valueC + relative : valueC
} - OpCode ${opCode.literalValue}`
);
}
if (parameterModes[2 - 2] === ParameterMode.relative) {
this.memory[valueC + relative] = new OpCode(paramA < paramB ? 1 : 0);
} else {
this.memory[valueC] = new OpCode(paramA < paramB ? 1 : 0);
}
index += 4;
break;
case Instruction.eq:
if (debug) {
console.debug(
`Checking if ${paramA}==${paramB} and writing result to ${
parameterModes[2 - 2] === ParameterMode.relative ? valueC + relative : valueC
} - OpCode ${opCode.literalValue}`
);
}
if (parameterModes[2 - 2] === ParameterMode.relative) {
this.memory[valueC + relative] = new OpCode(paramA === paramB ? 1 : 0);
} else {
this.memory[valueC] = new OpCode(paramA === paramB ? 1 : 0);
}
index += 4;
break;
case Instruction.rel:
if (debug) {
console.debug(
`Adjusting relative offset from ${relative} +${paramA} to ${relative + paramA} - OpCode ${
opCode.literalValue
}`
);
}
relative += paramA;
index += 2;
break;
case Instruction.end:
console.log("Final output:", output);
return this.memory;
}
}
} catch (e) {
console.debug(`Execution failed at index ${index}. Dumping memory.`);
if (debug) {
debugLog!.write(
`${debugIteration.toString().padStart(5, "0")};${index.toString().padStart(5, "0")};[${this.memory
.map((op) => op.literalValue)
.join(",")}]\n`
);
}
throw e;
}
console.log("Final output:", output);
return this.memory;
}
reset() {
this.memory = this.initialMemory;
}
static memdump(memory: Memory) {
return memory.map((op) => op.toString()).join(",");
}
}
async function main(code: string) {
const memdump: Memory = code.split(",").map((val) => new OpCode(val));
const machine = new Machine(memdump);
const result = await machine.run();
rl.close();
return; // result ? Machine.memdump(result) : result;
}
const input = fs.readFileSync("input").toString();
main(input)
.then(console.log)
.catch((...args) => {
rl.close();
console.error(args);
});

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// Same as solution_a but with input 2 instead of 1

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{
"compilerOptions": {
/* Visit https://aka.ms/tsconfig.json to read more about this file */
/* Basic Options */
// "incremental": true, /* Enable incremental compilation */
"target": "ES2019", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */
"module": "CommonJS", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */
// "lib": [], /* Specify library files to be included in the compilation. */
// "allowJs": true, /* Allow javascript files to be compiled. */
// "checkJs": true, /* Report errors in .js files. */
// "jsx": "preserve", /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */
// "declaration": true, /* Generates corresponding '.d.ts' file. */
// "declarationMap": true, /* Generates a sourcemap for each corresponding '.d.ts' file. */
"sourceMap": false, /* Generates corresponding '.map' file. */
// "outFile": "./", /* Concatenate and emit output to single file. */
// "outDir": "./", /* Redirect output structure to the directory. */
// "rootDir": "./", /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
// "composite": true, /* Enable project compilation */
// "tsBuildInfoFile": "./", /* Specify file to store incremental compilation information */
// "removeComments": true, /* Do not emit comments to output. */
"noEmit": true, /* Do not emit outputs. */
// "importHelpers": true, /* Import emit helpers from 'tslib'. */
// "downlevelIteration": true, /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */
// "isolatedModules": true, /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */
/* Strict Type-Checking Options */
"strict": true, /* Enable all strict type-checking options. */
// "noImplicitAny": true, /* Raise error on expressions and declarations with an implied 'any' type. */
// "strictNullChecks": true, /* Enable strict null checks. */
// "strictFunctionTypes": true, /* Enable strict checking of function types. */
// "strictBindCallApply": true, /* Enable strict 'bind', 'call', and 'apply' methods on functions. */
// "strictPropertyInitialization": true, /* Enable strict checking of property initialization in classes. */
// "noImplicitThis": true, /* Raise error on 'this' expressions with an implied 'any' type. */
"alwaysStrict": true, /* Parse in strict mode and emit "use strict" for each source file. */
/* Additional Checks */
// "noUnusedLocals": true, /* Report errors on unused locals. */
// "noUnusedParameters": true, /* Report errors on unused parameters. */
// "noImplicitReturns": true, /* Report error when not all code paths in function return a value. */
// "noFallthroughCasesInSwitch": true, /* Report errors for fallthrough cases in switch statement. */
/* Module Resolution Options */
"moduleResolution": "node", /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
// "baseUrl": "./", /* Base directory to resolve non-absolute module names. */
// "paths": {}, /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
// "rootDirs": [], /* List of root folders whose combined content represents the structure of the project at runtime. */
// "typeRoots": [], /* List of folders to include type definitions from. */
// "types": [], /* Type declaration files to be included in compilation. */
// "allowSyntheticDefaultImports": true, /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
"esModuleInterop": true, /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
// "preserveSymlinks": true, /* Do not resolve the real path of symlinks. */
// "allowUmdGlobalAccess": true, /* Allow accessing UMD globals from modules. */
/* Source Map Options */
// "sourceRoot": "", /* Specify the location where debugger should locate TypeScript files instead of source locations. */
// "mapRoot": "", /* Specify the location where debugger should locate map files instead of generated locations. */
// "inlineSourceMap": true, /* Emit a single file with source maps instead of having a separate file. */
// "inlineSources": true, /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */
/* Experimental Options */
// "experimentalDecorators": true, /* Enables experimental support for ES7 decorators. */
// "emitDecoratorMetadata": true, /* Enables experimental support for emitting type metadata for decorators. */
/* Advanced Options */
"skipLibCheck": true, /* Skip type checking of declaration files. */
"forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */
}
}

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dependencies:
arg "^4.1.0"
diff "^4.0.1"
make-error "^1.1.1"
source-map-support "^0.5.17"
yn "3.1.1"
typescript@^4.0.5:
version "4.0.5"
resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.0.5.tgz#ae9dddfd1069f1cb5beb3ef3b2170dd7c1332389"
integrity sha512-ywmr/VrTVCmNTJ6iV2LwIrfG1P+lv6luD8sUJs+2eI9NLGigaN+nUQc13iHqisq7bra9lnmUSYqbJvegraBOPQ==
yn@3.1.1:
version "3.1.1"
resolved "https://registry.yarnpkg.com/yn/-/yn-3.1.1.tgz#1e87401a09d767c1d5eab26a6e4c185182d2eb50"
integrity sha512-Ux4ygGWsu2c7isFWe8Yu1YluJmqVhxqK2cLXNQA5AcC3QfbGNpM7fu0Y8b/z16pXLnFxZYvWhd3fhBY9DLmC6Q==