The Pyramid Of King Djoser

package main

import (
  "fmt"
  "math"
)

func main() {
    var basis, size, step int
    fmt.Scanln(&basis)

    var increment, stone, marble, lapis, gold, decorate float64
    fmt.Scanln(&increment)

    for i := basis; i > 0; i -= 2 {
        size = i * i
        step++
        if i < 3 {
            gold = float64(size) * increment
        } else {
            stone += float64((i - 2) * (i - 2)) * increment
            decorate = float64(i * 4 - 4) * increment
            if step % 5 != 0 {
                marble += decorate
            } else {
                lapis += decorate
            }
        }
    }

    fmt.Printf("Stone required: %d\nMarble required: %d\nLapis Lazuli required: %d\nGold required: %d\nFinal pyramid height: %d\n",
                    int(math.Ceil(stone)), int(math.Ceil(marble)), int(math.Ceil(lapis)), int(math.Ceil(gold)), int(float64(step) * increment))
}