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Diffstat (limited to 'aoc_2023/day0/main_1.js')
-rw-r--r-- | aoc_2023/day0/main_1.js | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/aoc_2023/day0/main_1.js b/aoc_2023/day0/main_1.js new file mode 100644 index 0000000..aa00ffe --- /dev/null +++ b/aoc_2023/day0/main_1.js @@ -0,0 +1,18 @@ +const fs = require("node:fs"); + +const data = fs.readFileSync("input.txt", "utf8"); + +const res = data + .split("\n") + .filter((line) => line && line != "") + .map((line) => line.replaceAll(/[^0-9]*/g, "")) + .reduce((acc, line) => { + const nums = line.split(""); + + const first = parseInt(nums.at(0)); + const last = parseInt(nums.at(-1)); + + return acc + (first * 10 + last); + }, 0); + +console.log(res); |