Merge pull request #6071 from pokgopun/pwc001

pwc001 solution in go

3 files changed, 61 insertions, 0 deletions

diff --git a/challenge-001/pokgopun/README b/challenge-001/pokgopun/README
new file mode 100644
index 0000000000..33dfd303a4
--- /dev/null
+++ b/challenge-001/pokgopun/README
@@ -0,0 +1 @@
+Solution by PokGoPun
diff --git a/challenge-001/pokgopun/go/ch-1.go b/challenge-001/pokgopun/go/ch-1.go
new file mode 100644
index 0000000000..41e9fb4fb6
--- /dev/null
+++ b/challenge-001/pokgopun/go/ch-1.go
@@ -0,0 +1,13 @@
+package main
+
+import (
+	"fmt"
+	"strings"
+)
+
+func main() {
+	s := "Perl Weekly Challenge"
+	l := "e"
+	fmt.Printf("%q has %q replaced with %q for %v times and resulted in %q\n",
+		s, l, strings.ToUpper(l), strings.Count(s, l), strings.ReplaceAll(s, l, strings.ToUpper(l)))
+}
diff --git a/challenge-001/pokgopun/go/ch-2.go b/challenge-001/pokgopun/go/ch-2.go
new file mode 100644
index 0000000000..fdeeab5d4c
--- /dev/null
+++ b/challenge-001/pokgopun/go/ch-2.go
@@ -0,0 +1,47 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"strconv"
+)
+
+var (
+	rseen [15]bool
+	r2str [15]string
+)
+
+func main() {
+	w := bufio.NewWriter(os.Stdout)
+	n, _ := strconv.Atoi(append(os.Args, "20")[1])
+	for i := 1; i <= n; i++ {
+		fmt.Fprintf(w, "%v ", fizzbuzz(i))
+	}
+	w.Flush()
+	fmt.Print("\n")
+}
+
+func fizzbuzz(n int) (str string) {
+	r := n % 15
+	if rseen[r] {
+		str = r2str[r]
+		if str == "" {
+			return strconv.Itoa(n)
+		}
+		return str
+	}
+	rseen[r] = true
+	switch {
+	case r == 0:
+		str = "fizzbuzz"
+	case r%3 == 0:
+		str = "fizz"
+	case r%5 == 0:
+		str = "buzz"
+	default:
+		return strconv.Itoa(n)
+	}
+	r2str[r] = str
+	return str
+}