Data commit

Task/Pangram-checker/Go/pangram-checker.go

@@ -0,0 +1,37 @@
+package main
+
+import "fmt"
+
+func main() {
+    for _, s := range []string{
+        "The quick brown fox jumps over the lazy dog.",
+        `Watch "Jeopardy!", Alex Trebek's fun TV quiz game.`,
+        "Not a pangram.",
+    } {
+        if pangram(s) {
+            fmt.Println("Yes:", s)
+        } else {
+            fmt.Println("No: ", s)
+        }
+    }
+}
+
+func pangram(s string) bool {
+	var missing uint32 = (1 << 26) - 1
+	for _, c := range s {
+		var index uint32
+		if 'a' <= c && c <= 'z' {
+			index = uint32(c - 'a')
+		} else if 'A' <= c && c <= 'Z' {
+			index = uint32(c - 'A')
+		} else {
+			continue
+		}
+
+		missing &^= 1 << index
+		if missing == 0 {
+			return true
+		}
+	}
+	return false
+}