Do daily

Author: Zanger67

my-submissions/m1358.py

@@ -0,0 +1,18 @@
+class Solution:
+    def numberOfSubstrings(self, s: str) -> int:
+        a = b = c = -1
+        output = 0
+
+        for i, x in enumerate(s) :
+            match x :
+                case 'a' :
+                    a = i
+                case 'b' :
+                    b = i
+                case 'c' :
+                    c = i
+
+            if min(a, b, c) != -1 :
+                output += 1 + min(a, b, c)
+
+        return output