Create 1750-minimum-length-of-string-after-deleting-similar-ends.js

Author: everthis

1750-minimum-length-of-string-after-deleting-similar-ends.js

@@ -0,0 +1,15 @@
+/**
+ * @param {string} s
+ * @return {number}
+ */
+const minimumLength = function(s) {
+  const n = s.length
+  let l = 0, r = n - 1
+  while(l < r && s[l] === s[r]) {
+    while(l < r - 1 && s[r] === s[r - 1]) r--
+    while(l + 1 < r && s[l] === s[l + 1]) l++
+    l++
+    r--
+  }
+  return r - l + 1
+};