diff options
118 files changed, 5036 insertions, 2367 deletions
diff --git a/challenge-002/pokgopun/README b/challenge-002/pokgopun/README new file mode 100644 index 0000000000..33dfd303a4 --- /dev/null +++ b/challenge-002/pokgopun/README @@ -0,0 +1 @@ +Solution by PokGoPun diff --git a/challenge-002/pokgopun/go/ch-1.go b/challenge-002/pokgopun/go/ch-1.go new file mode 100644 index 0000000000..080fb3cec9 --- /dev/null +++ b/challenge-002/pokgopun/go/ch-1.go @@ -0,0 +1,36 @@ +// Write a script or one-liner to remove leading zeros from positive numbers. +// Assume number can be float and zero +package main + +import ( + "bufio" + "fmt" + "log" + "os" + "strconv" + "strings" +) + +func main() { + if len(os.Args) > 1 { + w := bufio.NewWriter(os.Stdout) + var ( + f float64 + err error + ) + for _, v := range os.Args[1:] { + //fmt.Println(strings.TrimLeft(v, "0")) + f, err = strconv.ParseFloat(v, 64) + if err != nil || f < 0 { + log.Fatal("Not a positive number") + } + if f != 0 { + v = strings.TrimLeft(v, "0") + } + w.WriteString(v + "\n") + } + w.Flush() + } else { + fmt.Println("Enter number to have its leading zeros removed") + } +} diff --git a/challenge-002/pokgopun/go/ch-2.go b/challenge-002/pokgopun/go/ch-2.go new file mode 100644 index 0000000000..cc68633dda --- /dev/null +++ b/challenge-002/pokgopun/go/ch-2.go @@ -0,0 +1,50 @@ +// Write a script that can convert integers to and from a base35 representation, using the characters 0-9 and A-Y. +package main + +import ( + "errors" + "fmt" + "log" + "math/big" + "os" + "strconv" +) + +func main() { + guide := `Example: +To convert from base10to35, go run ch-2.go 10to35 1653676305073 +pokgopun +To convert from base35to10, go run ch-2.go 35to10 PokGoPun +1653676305073` + if len(os.Args) < 2 { + fmt.Println(guide) + } else { + switch os.Args[1] { + case "10to35": + n, err := strconv.Atoi(os.Args[2]) + if err != nil { + log.Fatal(err) + } + fmt.Println(base10To35(n)) + case "35to10": + n, err := base35To10(os.Args[2]) + if err != nil { + log.Fatal(err) + } + fmt.Println(n) + default: + fmt.Println(guide) + } + } +} +func base10To35(n int) string { + return big.NewInt(int64(n)).Text(35) +} +func base35To10(str string) (int, error) { + i := new(big.Int) + j, ok := i.SetString(str, 35) + if ok { + return int(j.Int64()), nil + } + return 0, errors.New("conversion failed") +} diff --git a/challenge-013/pokgopun/README b/challenge-013/pokgopun/README new file mode 100644 index 0000000000..33dfd303a4 --- /dev/null +++ b/challenge-013/pokgopun/README @@ -0,0 +1 @@ +Solution by PokGoPun diff --git a/challenge-013/pokgopun/go/ch-1.go b/challenge-013/pokgopun/go/ch-1.go new |