63 lines
1.5 KiB
JavaScript
63 lines
1.5 KiB
JavaScript
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import { readFileSync } from "fs";
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const input = readFileSync("trees.txt", "utf-8");
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const arr = [];
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let howManyVisible = 0, width, height = 0;
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input.split("\n").forEach(line => {
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width = line.length;
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arr.push(line.split(''));
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height++;
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});
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let a = "";
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for(let row = 0; row < height; row++) {
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for(let column = 0; column < width; column++) {
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if(row === 0 || column === 0 || row === height - 1 || column === width - 1) {
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howManyVisible++;
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continue;
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}
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const checkFor = arr[row][column];
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let hiddenNorth = false, hiddenSouth = false, hiddenWest = false, hiddenEast = false;
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for(let i = row - 1; i >= 0; i--) {
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if(checkFor <= arr[i][column] && row !== i) {
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hiddenNorth = true;
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break;
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}
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}
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for(let i = column - 1; i >= 0; i--) {
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if(checkFor <= arr[row][i] && column !== i) {
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hiddenWest = true;
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break;
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}
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}
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for(let i = row + 1; i < height; i++) {
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if(checkFor <= arr[i][column] && row !== i) {
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hiddenSouth = true;
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break;
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}
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}
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for(let i = column + 1; i < width; i++) {
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if(checkFor <= arr[row][i] && column !== i) {
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hiddenEast = true;
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break;
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}
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}
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if(!(
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hiddenNorth &&
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hiddenSouth &&
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hiddenWest &&
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hiddenEast
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)) howManyVisible++;
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}
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}
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console.log(howManyVisible)
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