update

Author: itcuihao

create/run.go

@@ -41,9 +41,11 @@ var (
 func Create(path string) {
 
 	if of, oerr := os.Stat(path); oerr == nil && of.IsDir() {
-		log.Fatalf("%s is dir", path)
+		log.Printf("%s is dir", path)
+		return
 	} else if os.IsExist(oerr) {
-		log.Fatalf("%s is exist", path)
+		log.Printf("%s is exist", path)
+		return
 	}
 
 	log.Printf("path is %s", path)

problems/0008.string-to-integer/run.go

@@ -1,93 +1,93 @@
-package integer
-
-import (
-	"math"
-	"strings"
-)
-
-func myAtoi(str string) int {
-	str = strings.TrimSpace(str)
-
-	ls := len(str)
-	if ls == 0 {
-		return 0
-	}
-
-	myi, m, plus, less := 0, 1, false, false
-	if str[0] == '-' {
-		str = str[1:]
-		less = true
-	} else if str[0] == '+' {
-		str = str[1:]
-		plus = true
-	}
-
-	if plus || less {
-		ls--
-	}
-
-	for k, v := range str {
-		if v < 48 || v > 57 {
-			str = str[:k]
-			ls = k
-			break
-		}
-	}
-	for i := ls - 1; i >= 0; i-- {
-		myi += int(str[i]-48) * m
-		if isOver(myi) {
-			if less {
-				return math.MinInt32
-			}
-			return math.MaxInt32
-		}
-		m *= 10
-	}
-
-	if less {
-		myi = ^myi + 1
-	}
-	return myi
-}
-
-func isOver(i int) bool {
-	if i > math.MaxInt32 {
-		return true
-	} else if i < math.MinInt32 {
-		return true
-	}
-	return false
-}
-
-func atoi(s string) int {
-	s = strings.TrimSpace(s)
-	if s == "" || s == "0" {
-		return 0
-	}
-	firsts := s[0]
-	sign := 1
-	start := 0
-	res := 0
-	if firsts == '+' {
-		sign = 1
-		start++
-	} else if firsts == '-' {
-		sign = -1
-		start++
-	}
-
-	for i := start; i < len(s); i++ {
-		if s[i] < '0' || s[i] > '9' {
-			return res * sign
-		}
-		p := int(s[i] - '0')
-		res = res*10 + p
-		if sign == 1 && res > math.MaxInt32 {
-			return math.MaxInt32
-		}
-		if sign == -1 && res > math.MaxInt32 {
-			return math.MinInt32
-		}
-	}
-	return res * sign
-}
+package integer
+
+import (
+	"math"
+	"strings"
+)
+
+func myAtoi(str string) int {
+	str = strings.TrimSpace(str)
+
+	ls := len(str)
+	if ls == 0 {
+		return 0
+	}
+
+	myi, m, plus, less := 0, 1, false, false
+	if str[0] == '-' {
+		str = str[1:]
+		less = true
+	} else if str[0] == '+' {
+		str = str[1:]
+		plus = true
+	}
+
+	if plus || less {
+		ls--
+	}
+
+	for k, v := range str {
+		if v < 48 || v > 57 {
+			str = str[:k]
+			ls = k
+			break
+		}
+	}
+	for i := ls - 1; i >= 0; i-- {
+		myi += int(str[i]-48) * m
+		if isOver(myi) {
+			if less {
+				return math.MinInt32
+			}
+			return math.MaxInt32
+		}
+		m *= 10
+	}
+
+	if less {
+		myi = ^myi + 1
+	}
+	return myi
+}
+
+func isOver(i int) bool {
+	if i > math.MaxInt32 {
+		return true
+	} else if i < math.MinInt32 {
+		return true
+	}
+	return false
+}
+
+func atoi(s string) int {
+	s = strings.TrimSpace(s)
+	if s == "" || s == "0" {
+		return 0
+	}
+	firsts := s[0]
+	sign := 1
+	start := 0
+	res := 0
+	if firsts == '+' {
+		sign = 1
+		start++
+	} else if firsts == '-' {
+		sign = -1
+		start++
+	}
+
+	for i := start; i < len(s); i++ {
+		if s[i] < '0' || s[i] > '9' {
+			return res * sign
+		}
+		p := int(s[i] - '0')
+		res = res*10 + p
+		if sign == 1 && res > math.MaxInt32 {
+			return math.MaxInt32
+		}
+		if sign == -1 && res > math.MaxInt32 {
+			return math.MinInt32
+		}
+	}
+	return res * sign
+}

problems/0008.string-to-integer/run_test.go

@@ -1,19 +1,19 @@
-package integer
-
-import "testing"
-
-func TestMyAtoi(t *testing.T) {
-	// s := "-123a..."
-	// s := "    010"
-	// s := "-2147483648"
-	s := "2147483648"
-	t.Log(myAtoi(s))
-}
-
-func TestAtoi(t *testing.T) {
-	s := "-123a..."
-	// s := "    010"
-	// s := "-2147483648"
-	// s := "2147483648"
-	t.Log(atoi(s))
-}
+package integer
+
+import "testing"
+
+func TestMyAtoi(t *testing.T) {
+	// s := "-123a..."
+	// s := "    010"
+	// s := "-2147483648"
+	s := "2147483648"
+	t.Log(myAtoi(s))
+}
+
+func TestAtoi(t *testing.T) {
+	s := "-123a..."
+	// s := "    010"
+	// s := "-2147483648"
+	// s := "2147483648"
+	t.Log(atoi(s))
+}