[BOJ] 14646 욱제는 결정장애야!! (S5)

Author: ShipFriend0516

서정우/9주차/260223.js

@@ -0,0 +1,27 @@
+const fs = require("fs");
+const filePath = process.platform === "linux" ? "/dev/stdin" : "./서정우/input.txt";
+const input = fs
+  .readFileSync(filePath)
+  .toString()
+  .trim()
+  .split("\n")
+  .map((el) => el.trim());
+
+const N = Number(input[0]);
+const nums = input[1].split(" ").map(Number);
+
+let maxCount = 0;
+let count = 0;
+const arr = Array(N + 1).fill(0);
+for (let i = 0; i < nums.length; i++) {
+  const num = nums[i];
+  if (arr[num]) {
+    arr[num] = 0;
+    count--;
+  } else {
+    arr[num] = 1;
+    count++;
+  }
+  maxCount = Math.max(maxCount, count);
+}
+console.log(maxCount);

서정우/input.txt

@@ -1 +1,2 @@
-9788968322*73
+5
+1 1 2 2 3 3 4 4 5 5