31:T400,scenicScores = { let scores = []; for (let x = 0; x < dataset[0].length; ++x) { for (let y = 0; y < dataset.length; ++y) { // explore left let scoreL = 0; let x2 = x - 1; while (x2 >= 0) { scoreL++; if (dataset[y][x] <= dataset[y][x2]) break; x2--; } // explore right let scoreR = 0; let x3 = x + 1; while (x3 < dataset[x].length) { scoreR++; if (dataset[y][x] <= dataset[y][x3]) break; x3++; } // explore up let scoreU = 0; let y2 = y - 1; while (y2 >= 0) { scoreU++; if (dataset[y][x] <= dataset[y2][x]) break; y2--; } // explore down let scoreD = 0; let y3 = y + 1; while (y3 < dataset.length) { scoreD++; if (dataset[y][x] <= dataset[y3][x]) break; y3++; } scores.push({ x: x, y: y, score: scoreD * scoreL * scoreR * scoreU }); } } return scores; }32:T26c0,input = readInput(`012210012213303320303222443113334342210313303454311331225110130030424212142031302213330002110012202 102111010213210021001022332202430004242253521151233435512412354104014404443413310323011012023201021 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[\"test\", test],\n [\"input\", input]\n ]),\n { label: \"Dataset\" }\n)","pinned":false,"hidden":false,"mode":"ojs"},{"id":30,"value":"visibleFromLeft = {\n let visible = new Set();\n dataset.forEach((line, y) => {\n let max = -1;\n line.forEach((height, x) => {\n if (height > max) {\n visible.add(`${x},${y}`);\n max = height;\n }\n });\n });\n return visible;\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":33,"value":"visibleFromRight = {\n let visible = new Set();\n dataset.forEach((line, y) => {\n let max = -1;\n let _line = line.slice().reverse();\n\n function getCorrectX(x) {\n return _line.length - 1 - x;\n }\n\n _line.forEach((height, x) => {\n if (height > max) {\n visible.add(`${getCorrectX(x)},${y}`);\n max = height;\n }\n });\n });\n return visible;\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":37,"value":"visibleFromTop = {\n let visible = new Set();\n let columns = [];\n for (let x = 0; x < dataset[0].length; ++x) {\n columns.push(dataset.map((line) => line[x]));\n }\n columns.forEach((column, x) => {\n let max = -1;\n column.forEach((height, y) => {\n if (height > max) {\n visible.add(`${x},${y}`);\n max = height;\n }\n });\n });\n return visible;\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":40,"value":"visibleFromBottom = {\n let visible = new Set();\n let columns = [];\n for (let x = 0; x < dataset[0].length; ++x) {\n columns.push(\n dataset\n .slice()\n .reverse()\n .map((line) => line[x])\n );\n }\n columns.forEach((column, x) => {\n let max = -1;\n\n function getCorrectY(y) {\n return column.length - 1 - y;\n }\n\n column.forEach((height, y) => {\n if (height > max) {\n visible.add(`${x},${getCorrectY(y)}`);\n max = height;\n }\n });\n });\n return visible;\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":44,"value":"visibles = new Set([\n ...visibleFromLeft.values(),\n ...visibleFromRight.values(),\n ...visibleFromTop.values(),\n ...visibleFromBottom.values()\n])","pinned":true,"hidden":false,"mode":"ojs"},{"id":50,"value":"---","pinned":false,"hidden":false,"mode":"md"},{"id":55,"value":"$31","pinned":true,"hidden":false,"mode":"ojs"},{"id":71,"value":"highestScenicScore = _.maxBy(scenicScores, \"score\")","pinned":true,"hidden":false,"mode":"ojs"},{"id":52,"value":"---","pinned":false,"hidden":false,"mode":"md"},{"id":15,"value":"function readInput(txt) {\n let lines = txt.split(\"\\n\").map((l) => l.split(\"\").map(Number));\n return lines;\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":13,"value":"test = readInput(`30373\n25512\n65332\n33549\n35390`)","pinned":true,"hidden":false,"mode":"ojs"},{"id":17,"value":"$32","pinned":false,"hidden":false,"mode":"ojs"}],"files":"$W33","stdlib":"1","titling":"auto"}