benjamingr/aoc14.js

## aoc14.js
var input = `
O....#....
O.OO#....#
.....##...
OO.#O....O
.O.....O#.
O.#..O.#.#
..O..#O..O
.......O..
#....###..
#OO..#....
`.trim();
var input = document.body.textContent.trim()
var data = input.split("\n").map(row => row.split(""));

function tiltNorth(data) {
  for (let n = 0; n < data.length; n++) {
    for (let i = 1; i < data.length; i++) {
      for (let j = 0; j < data[0].length; j++) {
        if (data[i][j] === "O" && data[i - 1][j] === ".") {
          data[i - 1][j] = "O";
          data[i][j] = "."
        }
      }
    }
  }
}
function tiltSouth(data) {
  for (let n = 0; n < data.length; n++) {
    for (let i = 0; i < data.length - 1; i++) {
      for (let j = 0; j < data[0].length; j++) {
        if (data[i][j] === "O" && data[i + 1][j] === ".") {
          data[i + 1][j] = "O";
          data[i][j] = "."
        }
      }
    }
  }
}

function tiltEast(data) {
  for (let n = 0; n < data.length; n++) {
    for (let i = 0; i < data.length; i++) {
      for (let j = 1; j < data[0].length; j++) {
        if (data[i][j] === "O" && data[i][j - 1] === ".") {
          data[i][j - 1] = "O";
          data[i][j] = "."
        }
      }
    }
  }
}

function tiltWest(data) {
  for (let n = 0; n < data.length; n++) {
    for (let i = 0; i < data.length; i++) {
      for (let j = 0; j < data[0].length - 1; j++) {
        if (data[i][j] === "O" && data[i][j + 1] === ".") {
          data[i][j + 1] = "O";
          data[i][j] = "."
        }
      }
    }
  }
}
// 1000 is probably enough
for (let cycle = 0; cycle < 1000; cycle++) {
  tiltNorth(data);
  tiltEast(data);
  tiltSouth(data);
  tiltWest(data);
}
var sums = data.map((row, i) => {
  const count = data.length - i;
  return row.reduce((p, c) => p + ((c === "O") ? 1 : 0), 0) * count;
})
var sum = sums.reduce((p, c) => p + c, 0);
sum;
	var input = `
	O....#....
	O.OO#....#
	.....##...
	OO.#O....O
	.O.....O#.
	O.#..O.#.#
	..O..#O..O
	.......O..
	#....###..
	#OO..#....
	`.trim();
	var input = document.body.textContent.trim()
	var data = input.split("\n").map(row => row.split(""));

	function tiltNorth(data) {
	for (let n = 0; n < data.length; n++) {
	for (let i = 1; i < data.length; i++) {
	for (let j = 0; j < data[0].length; j++) {
	if (data[i][j] === "O" && data[i - 1][j] === ".") {
	data[i - 1][j] = "O";
	data[i][j] = "."
	}
	}
	}
	}
	}
	function tiltSouth(data) {
	for (let n = 0; n < data.length; n++) {
	for (let i = 0; i < data.length - 1; i++) {
	for (let j = 0; j < data[0].length; j++) {
	if (data[i][j] === "O" && data[i + 1][j] === ".") {
	data[i + 1][j] = "O";
	data[i][j] = "."
	}
	}
	}
	}
	}

	function tiltEast(data) {
	for (let n = 0; n < data.length; n++) {
	for (let i = 0; i < data.length; i++) {
	for (let j = 1; j < data[0].length; j++) {
	if (data[i][j] === "O" && data[i][j - 1] === ".") {
	data[i][j - 1] = "O";
	data[i][j] = "."
	}
	}
	}
	}
	}

	function tiltWest(data) {
	for (let n = 0; n < data.length; n++) {
	for (let i = 0; i < data.length; i++) {
	for (let j = 0; j < data[0].length - 1; j++) {
	if (data[i][j] === "O" && data[i][j + 1] === ".") {
	data[i][j + 1] = "O";
	data[i][j] = "."
	}
	}
	}
	}
	}
	// 1000 is probably enough
	for (let cycle = 0; cycle < 1000; cycle++) {
	tiltNorth(data);
	tiltEast(data);
	tiltSouth(data);
	tiltWest(data);
	}
	var sums = data.map((row, i) => {
	const count = data.length - i;
	return row.reduce((p, c) => p + ((c === "O") ? 1 : 0), 0) * count;
	})
	var sum = sums.reduce((p, c) => p + c, 0);
	sum;