Go语言实现的最简单数独解法

2020-01-28 11:25:58于丽

            changeCount += tmpChangeCount
        }
        if S[ti][i] != 0 {
            t, tmpChangeCount = exclude(t, S[ti][i])
            changeCount += tmpChangeCount
        }
    }
    for k := ((ti / 3) * 3); k < ((ti/3)*3)+3; k++ {
        for l := ((tj / 3) * 3); l < ((tj/3)*3)+3; l++ {
            if S[k][l] != 0 {
                t, tmpChangeCount = exclude(t, S[k][l])
                changeCount += tmpChangeCount
            }
        }
    }
    rmay = t
    return
}
func excludeFirstOne(smay node, n int) (rmay node, changeCount int) {
    changeCount = 0
    rmay = smay
    for i := 0; i < len(smay); i++ {
        if smay[i] == n {
            changeCount++
            rmay = append(smay[:i], smay[i+1:]...)
            return
        }
        if i == len(smay)-1 {
            return
        }
    }
    return
}
func exclude(smay node, n int) (tmp node, changeCount int) {
    var nc int
    changeCount = 0
    tmp, nc = excludeFirstOne(smay, n)
    for nc > 0 {
        tmp, nc = excludeFirstOne(tmp, n)
        changeCount++
    }
    return
}
func Output(sudoku [9][9]node) {
    for i := 0; i < 9; i++ {
        for j := 0; j < 9; j++ {
            fmt.Print(sudokuMay[i][j])
        }
        fmt.Println("")
    }
}

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