You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
36 lines
842 B
JavaScript
36 lines
842 B
JavaScript
4 years ago
|
const fs = require("fs");
|
||
|
|
|
||
|
|
const inputFileName = "input";
|
||
|
|
|
||
|
|
async function main() {
|
||
|
|
const input = await fs.promises.readFile(inputFileName, "utf-8");
|
||
|
|
|
||
|
|
const machine = input.split(",").map((code) => parseInt(code));
|
||
|
|
machine[1] = 12;
|
||
|
|
machine[2] = 2;
|
||
|
|
console.log(machine);
|
||
|
|
|
||
|
|
let curIdx = 0;
|
||
|
|
let opCode = machine[curIdx];
|
||
|
|
while (opCode !== 99) {
|
||
|
|
const val1 = machine[machine[curIdx + 1]];
|
||
|
|
const val2 = machine[machine[curIdx + 2]];
|
||
|
|
const register = machine[curIdx + 3];
|
||
|
|
console.log(opCode, val1, val2, register);
|
||
|
|
if (opCode === 1) {
|
||
|
|
machine[register] = val1 + val2;
|
||
|
|
} else if (opCode === 2) {
|
||
|
|
machine[register] = val1 * val2;
|
||
|
|
} else {
|
||
|
|
throw Error("invalid opcode");
|
||
|
|
}
|
||
|
|
|
||
|
|
curIdx += 4;
|
||
|
|
opCode = machine[curIdx];
|
||
|
|
}
|
||
|
|
console.log(machine);
|
||
|
|
console.log(machine[0]);
|
||
|
|
}
|
||
|
|
|
||
|
|
main();
|