tristan/aoc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

couple more days of 2019

Browse source
This commit is contained in:
Tristan 2019-12-05 17:08:18 +00:00
parent 12d0551bb4
commit d25c3b26d9
7 changed files with 150 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

54
2019/05/part1.js Normal file
View file

@ -0,0 +1,54 @@
const fs = require("fs");
const text = fs.readFileSync("2019/05/input.txt", "utf-8");
const userInput = 5;
let memory = text.split(',').map(opcode => parseInt(opcode));
function valueOf(index, paramMode) {
return paramMode == "0" ? memory[memory[index]] : memory[index];
}
function fiveDig(value) {
return value.toString().length < 5 ? fiveDig("0" + value) : value.toString();
}
let i = 0;
while (true) {
instruction = fiveDig(memory[i]);
opcode = instruction.slice(3);
if (opcode == '01') {
memory[memory[i+3]] = valueOf(i+1, instruction[2]) + valueOf(i+2, instruction[1]);
i+=4;
} else if (opcode == '02') {
memory[memory[i+3]] = valueOf(i+1, instruction[2]) * valueOf(i+2, instruction[1]);
i+=4;
} else if (opcode == '03') {
console.log("IN "+userInput);
memory[memory[i+1]] = userInput;
i+=2;
} else if (opcode == '04') {
console.log("OUT "+valueOf(i+1, instruction[2]));
i+=2;
} else if (opcode == '05') {
if (valueOf(i+1, instruction[2]) != 0) {
i = valueOf(i+2, instruction[1])
} else {
i+=3;
}
} else if (opcode == '06') {
if (valueOf(i+1, instruction[2]) == 0) {
i = valueOf(i+2, instruction[1])
} else {
i+=3;
}
} else if (opcode == '07') {
memory[memory[i+3]] = valueOf(i+1, instruction[2]) < valueOf(i+2, instruction[1]) ? 1 : 0;
i+=4;
} else if (opcode == '08') {
memory[memory[i+3]] = valueOf(i+1, instruction[2]) == valueOf(i+2, instruction[1]) ? 1 : 0;
i+=4;
} else if (opcode == '99') {
console.log("HLT")
break;
}
}