Changed ratio to golang

ratio/ratio.go

@@ -0,0 +1,22 @@
+package main
+
+import "github.com/alecthomas/kingpin"
+import "fmt"
+import "math"
+
+func main() {
+   var (
+      x = kingpin.Arg("x", "X value of the ratio").Required().Int64()
+      y = kingpin.Arg("y", "Y value of the ratio").Required().Int64()
+   )
+   kingpin.Parse()
+
+   for i:=int64(2); i<=int64(math.Max(float64(*x), float64(*y))); i++ {
+      if (*x % i ==0) && (*y % i ==0) {
+         *x = *x / i
+         *y = *y / i
+         i = 1
+      }
+   }
+   fmt.Println(*x,*y)
+}