gomoku_2016_01_18_lesson01.go

// gomoku_2016_01_18.txt
// https://gist.github.com/bsoo/bd361a7fe01fc6bff068

package main

import "strings"

func lesson01(num int) {
	asterisk := 1
	blank := num / 2
	for i := 0; i < num; i++ {
		print(strings.Repeat(" ", blank))
		print(strings.Repeat("*", asterisk))
		print(strings.Repeat(" ", blank))
		println()

		if i < num/2 {
			asterisk += 2
			blank -= 1
		} else {
			asterisk -= 2
			blank += 1
		}
	}
}
func main() {
	lesson01(7)
}