import { readFileSync } from 'node:fs';

// const inputArray = readFileSync('sample.txt').toString().split("\n");
const inputArray = readFileSync('input.txt').toString().split("\n");

// Part One

let zeroCount = 0;
let currentPosition = 50;

for (const element of inputArray) {
  const instruction = element;
  const direction = instruction[0];
  const steps = Number.parseInt(instruction.slice(1));

  if (direction === 'L') {
    currentPosition -= steps;
  } else {
    currentPosition += steps;
  }

  if (currentPosition === 0 || (currentPosition % 100) === 0) {
    zeroCount++;
  }
}

console.log(zeroCount);


// Part Two

let zeroCount2 = 0;
let currentPosition2 = 50;

for (const element of inputArray) {
  const instruction = element;
  const direction = instruction[0];
  const steps = Number.parseInt(instruction.slice(1));

  if (direction === 'L') {
    for (let i = 1; i < steps + 1; i++) {
      currentPosition2 -= 1;
      if (currentPosition2 === 0 || (currentPosition2 % 100) === 0) {
        zeroCount2++;
      }
    }
  } else {
    for (let i = 1; i < steps + 1; i++) {
      currentPosition2 += 1;
      if (currentPosition2 === 0 || (currentPosition2 % 100) === 0) {
        zeroCount2++;
      }
    }
  }
}

console.log(zeroCount2);

// functions