pwc010 solution in go

3 files changed, 83 insertions, 0 deletions

diff --git a/challenge-010/pokgopun/README b/challenge-010/pokgopun/README
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@@ -0,0 +1 @@
+Solution by PokGoPun
diff --git a/challenge-010/pokgopun/go/ch-1.go b/challenge-010/pokgopun/go/ch-1.go
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+/* https://theweeklychallenge.org/blog/perl-weekly-challenge-010/
+
+Challenge #1
+Write a script to encode/decode Roman numerals. For example, given Roman numeral CCXLVI, it should return 246. Similarly, for decimal number 39, it should return XXXIX. Checkout wikipedia page for more informaiton.
+
+*/
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"strconv"
+
+	"github.com/pokgopun/go/roman"
+)
+
+func main() {
+	guide := `
+Usage:
+	To encode decimal number to roman, enter:
+	%cmd% encode %number%
+
+	To decode roman number string to decimal number, enter:
+	%cmd% decode %string%
+	`
+	roman := roman.NewRoman()
+	if len(os.Args) > 2 && (os.Args[1] == "encode" || os.Args[1] == "decode") {
+		switch os.Args[1] {
+		case "encode":
+			n, err := strconv.ParseUint(os.Args[2], 10, 64)
+			if err != nil {
+				log.Fatal(err)
+			}
+			str, err := roman.FromDec(uint(n))
+			if err != nil {
+				log.Fatal(err)
+			}
+			fmt.Println(str)
+		case "decode":
+			n, err := roman.ToDec(os.Args[2])
+			if err != nil {
+				log.Fatal(err)
+			}
+			fmt.Println(n)
+		}
+	} else {
+		fmt.Println(guide)
+		for _, v := range []uint{246, 39} {
+			str, _ := roman.FromDec(v)
+			fmt.Printf("\tencode %v => %v\n\n", v, str)
+		}
+		for _, v := range []string{"CCXLVI", "XXXIX"} {
+			n, _ := roman.ToDec(v)
+			fmt.Printf("\tdecode %v => %v\n\n", v, n)
+		}
+	}
+}
diff --git a/challenge-010/pokgopun/go/ch-2.go b/challenge-010/pokgopun/go/ch-2.go
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+++ b/challenge-010/pokgopun/go/ch-2.go
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+/* https://theweeklychallenge.org/blog/perl-weekly-challenge-010/
+Challenge #2
+Write a script to find Jaro-Winkler distance between two strings. For more information check wikipedia page.
+*/
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/pokgopun/go/jarowinkler"
+)
+
+func main() {
+	if len(os.Args) > 2 {
+		jw := jarowinkler.New(os.Args[1], os.Args[2])
+		//fmt.Printf("%.3f %.3f\n", jw.Similarity(false), jw.Similarity(true))
+		fmt.Printf("%.3f\n", jw.Distance(true))
+	} else {
+		fmt.Println(`
+Usage:
+	%cmd% %str1% %str2%`)
+	}
+}