Create length-of-the-longest-alphabetical-continuous-substring.cpp

Author: kamyu104

C++/length-of-the-longest-alphabetical-continuous-substring.cpp

@@ -0,0 +1,18 @@
+// Time:  O(n)
+// Space: O(1)
+
+// string
+class Solution {
+public:
+    int longestContinuousSubstring(string s) {
+        int result = 0;
+        for (int i = 0, l = 0; i < size(s); ++i) {
+            ++l;
+            if (i + 1 == size(s) || s[i] + 1 != s[i + 1]) {
+                result = max(result, l);
+                l = 0;
+            }
+        }
+        return result;
+    }
+};