Initial data commit

Task/Loops-With-multiple-ranges/Go/loops-with-multiple-ranges.go

@@ -0,0 +1,82 @@
+package main
+
+import "fmt"
+
+func pow(n int, e uint) int {
+    if e == 0 {
+        return 1
+    }
+    prod := n
+    for i := uint(2); i <= e; i++ {
+        prod *= n
+    }
+    return prod
+}
+
+func abs(n int) int {
+    if n >= 0 {
+        return n
+    }
+    return -n
+}
+
+func commatize(n int) string {
+    s := fmt.Sprintf("%d", n)
+    if n < 0 {
+        s = s[1:]
+    }
+    le := len(s)
+    for i := le - 3; i >= 1; i -= 3 {
+        s = s[0:i] + "," + s[i:]
+    }
+    if n >= 0 {
+        return " " + s
+    }
+    return "-" + s
+}
+
+func main() {
+    prod := 1
+    sum := 0
+    const (
+        x     = 5
+        y     = -5
+        z     = -2
+        one   = 1
+        three = 3
+        seven = 7
+    )
+    p := pow(11, x)
+    var j int
+
+    process := func() {
+        sum += abs(j)
+        if abs(prod) < (1<<27) && j != 0 {
+            prod *= j
+        }
+    }
+
+    for j = -three; j <= pow(3, 3); j += three {
+        process()
+    }
+    for j = -seven; j <= seven; j += x {
+        process()
+    }
+    for j = 555; j <= 550-y; j++ {
+        process()
+    }
+    for j = 22; j >= -28; j -= three {
+        process()
+    }
+    for j = 1927; j <= 1939; j++ {
+        process()
+    }
+    for j = x; j >= y; j -= -z {
+        process()
+    }
+    for j = p; j <= p+one; j++ {
+        process()
+    }
+    fmt.Println("sum  = ", commatize(sum))
+    fmt.Println("prod = ", commatize(prod))
+}