Data commit

Task/Mayan-numerals/Go/mayan-numerals.go

@@ -0,0 +1,106 @@
+package main
+
+import (
+    "fmt"
+    "strconv"
+)
+
+const (
+    ul = "╔"
+    uc = "╦"
+    ur = "╗"
+    ll = "╚"
+    lc = "╩"
+    lr = "╝"
+    hb = "═"
+    vb = "║"
+)
+
+var mayan = [5]string{
+    "    ",
+    " ∙  ",
+    " ∙∙ ",
+    "∙∙∙ ",
+    "∙∙∙∙",
+}
+
+const (
+    m0 = " Θ  "
+    m5 = "────"
+)
+
+func dec2vig(n uint64) []uint64 {
+    vig := strconv.FormatUint(n, 20)
+    res := make([]uint64, len(vig))
+    for i, d := range vig {
+        res[i], _ = strconv.ParseUint(string(d), 20, 64)
+    }
+    return res
+}
+
+func vig2quin(n uint64) [4]string {
+    if n >= 20 {
+        panic("Cant't convert a number >= 20")
+    }
+    res := [4]string{mayan[0], mayan[0], mayan[0], mayan[0]}
+    if n == 0 {
+        res[3] = m0
+        return res
+    }
+    fives := n / 5
+    rem := n % 5
+    res[3-fives] = mayan[rem]
+    for i := 3; i > 3-int(fives); i-- {
+        res[i] = m5
+    }
+    return res
+}
+
+func draw(mayans [][4]string) {
+    lm := len(mayans)
+    fmt.Print(ul)
+    for i := 0; i < lm; i++ {
+        for j := 0; j < 4; j++ {
+            fmt.Print(hb)
+        }
+        if i < lm-1 {
+            fmt.Print(uc)
+        } else {
+            fmt.Println(ur)
+        }
+    }
+    for i := 1; i < 5; i++ {
+        fmt.Print(vb)
+        for j := 0; j < lm; j++ {
+            fmt.Print(mayans[j][i-1])
+            fmt.Print(vb)
+        }
+        fmt.Println()
+    }
+    fmt.Print(ll)
+    for i := 0; i < lm; i++ {
+        for j := 0; j < 4; j++ {
+            fmt.Print(hb)
+        }
+        if i < lm-1 {
+            fmt.Print(lc)
+        } else {
+            fmt.Println(lr)
+        }
+    }
+}
+
+func main() {
+    numbers := []uint64{4005, 8017, 326205, 886205, 1081439556}
+    for _, n := range numbers {
+        fmt.Printf("Converting %d to Mayan:\n", n)
+        vigs := dec2vig(n)
+        lv := len(vigs)
+        mayans := make([][4]string, lv)
+        for i, vig := range vigs {
+            mayans[i] = vig2quin(vig)
+        }
+        draw(mayans)
+        fmt.Println()
+    }
+}