74회차 1번 제출

Author: egg-silver

live7/test74/문제1/이지은.js

@@ -0,0 +1,28 @@
+const input = require('fs')
+  .readFileSync(process.platform === 'linux' ? '/dev/stdin' : './input.txt')
+  .toString()
+  .trim();
+
+function solution(input) {
+  let size = input * 4 - 3;
+  let arr = Array.from({ length: size }, () => Array(size).fill(' '));
+
+  function star(x, y, size) {
+    if (size === 1) {
+      arr[x][y] = '*';
+      return;
+    }
+
+    for (let i = 0; i < size; i++) {
+      arr[x][y + i] = '*';
+      arr[x + i][y] = '*';
+      arr[x + size - 1][y + i] = '*';
+      arr[x + i][y + size - 1] = '*';
+    }
+    star(x + 2, y + 2, size - 4);
+  }
+  star(0, 0, size);
+  return arr.map((row) => row.join('')).join('\n');
+}
+
+console.log(solution(input));