Pangram checker: Difference between revisions

Content added Content deleted

Inline

@@ Line 1,123: / Line 1,123: @@
 func pangram(s string) bool {
-    var rep [26]bool
+	var missing uint32 = (1 << 26) - 1
-    var count int
+	for _, c := range s {
+		var index uint32
-    for _, c := range s {
-        if c >= 'a' {
+		if 'a' <= c && c <= 'z' {
-            if c > 'z' {
+			index = uint32(c - 'a')
-                continue
+		} else if 'A' <= c && c <= 'Z' {
+			index = uint32(c - 'A')
-            }
+		} else {
-            c -= 'a'
+			continue
-        } else {
+		}
-            if c < 'A' || c > 'Z' {
-                continue
+		missing &^= 1 << index
-            }
+		if missing == 0 {
-            c -= 'A'
+			return true
-        }
+		}
-        if !rep[c] {
+	}
-            if count == 25 {
-                return true
+	return false
-            }
-            rep[c] = true
-            count++
-        }
-    }
-    return false
 }</lang>
 {{out}}