Example #1
0
func NewMainMenu(mapDir string, w, h int) (m *MainMenu) {
	file, err := os.Open(mapDir)
	defer file.Close()
	if err != nil {
		panic(err)
	}

	fis, err := file.Readdir(0)
	if err != nil {
		panic(err)
	}

	var maps *ring.Ring
	for _, fi := range fis {
		if strings.HasSuffix(fi.Name(), ".txt") {
			name := fi.Name()
			mapName := name[:len(name)-4]
			r := ring.New(1)
			r.Value = mapName
			if maps != nil {
				maps.Link(r)
			} else {
				maps = r
			}
		}
	}
	return &MainMenu{maps, time.Now(), w, h}
}
Example #2
0
func (c *Cache) meta_add(key string, r *ring.Ring) {

	c.evict()

	c.keys[key] = r
	r.Link(c.hand_hot)

	if c.hand_hot == nil {
		// first element
		c.hand_hot = r
		c.hand_cold = r
		c.hand_test = r
	}

	if c.hand_cold == c.hand_hot {
		c.hand_cold = c.hand_cold.Prev()
	}
}
Example #3
0
File: yes.go Project: dpaneda/code
func main() {
	var n, m int

	f, _ := os.Create("yes.pprof")
	pprof.StartCPUProfile(f)
	defer pprof.StopCPUProfile()

	fmt.Scan(&n)
	fmt.Scan(&m)

	bucket2number := make(map[int]*ring.Ring)
	number2bucket := map[int]int{0: 0, n - 1: n - 1}
	bucketlen := map[int]int{0: 1, n - 1: 1}

	bucket2number[0] = ring.New(1)
	bucket2number[0].Value = 0
	bucket2number[n-1] = ring.New(1)
	bucket2number[n-1].Value = n - 1

	var a, b int
	var la, lb *ring.Ring
	var debug = false

	for i := 0; i <= m; i++ {
		fmt.Scan(&a, &b)

		ba, ok := number2bucket[a]
		if !ok {
			number2bucket[a] = a
			bucketlen[a] = 1
			ba = a
			la = ring.New(1)
			la.Value = a
			bucket2number[ba] = la
		} else {
			la = bucket2number[ba]
		}

		bb, ok := number2bucket[b]
		if !ok {
			number2bucket[b] = b
			bucketlen[b] = 1
			bb = b
			lb = ring.New(1)
			lb.Value = b
			bucket2number[bb] = lb
		} else {
			lb = bucket2number[bb]
		}

		if ba != bb {
			// Not connected yet
			if bucketlen[ba] < bucketlen[bb] {
				la, lb = lb, la
				ba, bb = bb, ba
			}

			for j := 0; j < bucketlen[bb]; j++ {
				number2bucket[lb.Value.(int)] = ba
				lb = lb.Next()
			}

			la.Link(lb)
			bucketlen[ba] += bucketlen[bb]

			delete(bucket2number, bb)

			if number2bucket[0] == number2bucket[n-1] {
				fmt.Printf("Connected at %d\n", i)
				return
			}
		}

		if debug {
			fmt.Printf("%d -> %d\n", a, b)

			fmt.Print("Bucket2Number\n")
			for k, v := range bucket2number {
				fmt.Print(k)
				v.Do(
					func(x interface{}) {
						fmt.Printf(" %d", x.(int))
					})
				fmt.Println()
			}

			fmt.Print("Number2Bucket\n")
			for k, v := range number2bucket {
				fmt.Printf("%d: %d\n", k, v)
			}
		}
	}

	fmt.Println("Not connected")
}