Create 1554-strings-differ-by-one-character.js

Author: everthis

1554-strings-differ-by-one-character.js

@@ -0,0 +1,17 @@
+/**
+ * @param {string[]} dict
+ * @return {boolean}
+ */
+ const differByOne = function(dict) {
+  const n = dict.length, m = dict[0].length
+  for (let j = 0; j < m; j++) {
+    const seen = new Set()
+    for(let i = 0; i < n; i++) {
+      const newStr = dict[i].slice(0, j) + '*' + dict[i].slice(j + 1)
+      if(seen.has(newStr)) return true
+      seen.add(newStr)
+    }
+  }
+
+  return false  
+};