Create 3083-existence-of-a-substring-in-a-string-and-its-reverse.js

Author: everthis

3083-existence-of-a-substring-in-a-string-and-its-reverse.js

@@ -0,0 +1,19 @@
+/**
+ * @param {string} s
+ * @return {boolean}
+ */
+var isSubstringPresent = function(s) {
+  let res = false
+  const n = s.length
+  for(let i = 0; i < n - 1; i++) {
+    const e = s[i] + s[i + 1]
+    for(let j = n - 1; j > 0; j--) {
+      if(s[j] === s[i] && s[j - 1] === s[i + 1]) {
+        res = true
+        return res
+      }
+    }
+  }
+  
+  return res
+};