tasks a-s

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

@@ -0,0 +1,43 @@
+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 rep [26]bool
+    var count int
+    for _, c := range s {
+        if c >= 'a' {
+            if c > 'z' {
+                continue
+            }
+            c -= 'a'
+        } else {
+            if c < 'A' || c > 'Z' {
+                continue
+            }
+            c -= 'A'
+        }
+        if !rep[c] {
+            if count == 25 {
+                return true
+            }
+            rep[c] = true
+            count++
+        }
+    }
+    return false
+}