41 lines
560 B
Go
41 lines
560 B
Go
package main
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import "fmt"
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var (
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// 4x4 board with node counts
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board = map[int]int{
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10: 2, 11: 3, 12: 3, 13: 3,
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20: 1, 21: 4, 22: 5, 23: 9,
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30: 0, 31: 2, 32: 2, 33: 4,
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40: 0, 41: 1, 42: 3, 43: 0,
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}
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)
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func main() {
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q := make(chan int, 4)
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// board[p]
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p := 22
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// walk and find nodes
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if board[p-11] != 0 { // NW
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q <- (p - 11)
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}
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if board[p-9] != 0 { // NE
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q <- (p - 9)
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}
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if board[p+9] != 0 { // SW
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q <- (p + 9)
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}
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if board[p+11] != 0 { // SE
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q <- (p + 11)
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}
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close(q)
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// Get valid nodes
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for n := range q {
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fmt.Println(n)
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}
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}
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