[BOJ] 1340 연도 진행바 (S5)

Author: ShipFriend0516

서정우/6주차/260206.js

@@ -0,0 +1,46 @@
+const fs = require("fs");
+const filePath = process.platform === "linux" ? "/dev/stdin" : "./서정우/input.txt";
+const input = fs.readFileSync(filePath).toString().trim().split("\n");
+
+const line = input[0];
+
+const [MD, YT] = line.split(", ");
+
+const [M, D] = MD.split(" ");
+const [Y, T] = YT.split(" ");
+const [hours, minutes] = T.split(":").map(Number);
+
+const monthMap = {
+  January: 1,
+  February: 2,
+  March: 3,
+  April: 4,
+  May: 5,
+  June: 6,
+  July: 7,
+  August: 8,
+  September: 9,
+  October: 10,
+  November: 11,
+  December: 12,
+};
+
+const month = monthMap[M];
+const day = Number(D);
+const year = Number(Y);
+
+const isLeapYear = year % 400 === 0 || (year % 4 === 0 && year % 100 !== 0);
+const days = [31, isLeapYear ? 29 : 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
+const totalMinutes = isLeapYear ? 366 * 24 * 60 : 365 * 24 * 60;
+
+const currentDays =
+  days.reduce((acc, cur, idx) => (idx < month - 1 ? acc + cur : acc), 0) + day - 1;
+const currentHours = currentDays * 24 + hours;
+const currentMinutes = currentHours * 60 + minutes;
+
+const percent = (currentMinutes / totalMinutes) * 100;
+console.log(
+  Intl.NumberFormat("en-US", { minimumFractionDigits: 1, maximumFractionDigits: 14 }).format(
+    percent,
+  ),
+);

서정우/input.txt

@@ -1,2 +1 @@
-abc
-bca
+December 31, 2007 23:59