增加新题目

链表/两数相加/main.go

@@ -1,5 +1,9 @@
 package main
 
+import (
+	"fmt"
+)
+
 type ListNode struct {
 	Val  int
 	Next *ListNode
@@ -8,6 +12,77 @@ type ListNode struct {
 func main() {
 
 }
+func addTwoNumbers(l1 *ListNode, l2 *ListNode) *ListNode {
+	signal := false
+	tmpstr := ""
+	firstNode := (*ListNode)(nil)
+	result := (*ListNode)(nil)
+	value1 := 0
+
+	for l1 != nil || l2 != nil {
+		//
+		tmpNode := &ListNode{}
+		a := 0
+		if signal {
+			a = 1
+		}
+		if l1 == nil {
+			value := l2.Val
+			if value+a > 9 {
+				signal = true
+			} else {
+				signal = false
+			}
+			tmpNode.Val = (value + a) % 10
+			result.Next = tmpNode
+			result = result.Next
+			l2 = l2.Next
+			continue
+		}
+		if l2 == nil {
+			value := l1.Val
+			if value+a > 9 {
+				signal = true
+			} else {
+				signal = false
+			}
+			fmt.Println("l2==nil")
+			tmpNode.Val = (value + a) % 10
+			result.Next = tmpNode
+			result = result.Next
+			l1 = l1.Next
+			continue
+		}
+		value := l1.Val + l2.Val
+		if value+a > 9 {
+			signal = true
+		} else {
+			signal = false
+		}
+		tmpNode.Val = (value + a) % 10
+		if value1 == 0 {
+			firstNode = tmpNode
+			result = tmpNode
+			value1 = 1
+			l1 = l1.Next
+			l2 = l2.Next
+			continue
+		}
+		result.Next = tmpNode
+		result = result.Next
+		l1 = l1.Next
+		l2 = l2.Next
+
+	}
+	if signal {
+		tmpNode := &ListNode{}
+		tmpNode.Val = 1
+		result.Next = tmpNode
+		result = result.Next
+	}
+	fmt.Println(tmpstr)
+	return firstNode
+}
 
 //func addTwoNumbers(l1 *ListNode, l2 *ListNode) *ListNode {
 //	var str1 string
@@ -62,41 +137,41 @@ func main() {
 //	return num
 //}
 
-func addTwoNumbers(l1 *ListNode, l2 *ListNode) *ListNode {
-	firstNode := (*ListNode)(nil)
-	result := (*ListNode)(nil)
-	value := 0
-
-	for l1 != nil || l2 != nil {
-		tmpNode := &ListNode{}
-		if l1 == nil {
-			tmpNode.Val = l2.Val
-			result.Next = tmpNode
-			result = result.Next
-			l2 = l2.Next
-			continue
-		} else if l2 == nil {
-			tmpNode.Val = l1.Val
-			result.Next = tmpNode
-			result = result.Next
-			l1 = l1.Next
-			continue
-		}
-		tmpNode.Val = l1.Val + l2.Val
-		if value == 0 {
-			firstNode = tmpNode
-			result = tmpNode
-			l1 = l1.Next
-			l2 = l2.Next
-			value++
-			continue
-		}
-		result.Next = tmpNode
-		result = result.Next
-		l1 = l1.Next
-		l2 = l2.Next
-
-	}
-
-	return firstNode
-}
+//func addTwoNumbers(l1 *ListNode, l2 *ListNode) *ListNode {
+//	firstNode := (*ListNode)(nil)
+//	result := (*ListNode)(nil)
+//	value := 0
+//
+//	for l1 != nil || l2 != nil {
+//		tmpNode := &ListNode{}
+//		if l1 == nil {
+//			tmpNode.Val = l2.Val
+//			result.Next = tmpNode
+//			result = result.Next
+//			l2 = l2.Next
+//			continue
+//		} else if l2 == nil {
+//			tmpNode.Val = l1.Val
+//			result.Next = tmpNode
+//			result = result.Next
+//			l1 = l1.Next
+//			continue
+//		}
+//		tmpNode.Val = l1.Val + l2.Val
+//		if value == 0 {
+//			firstNode = tmpNode
+//			result = tmpNode
+//			l1 = l1.Next
+//			l2 = l2.Next
+//			value++
+//			continue
+//		}
+//		result.Next = tmpNode
+//		result = result.Next
+//		l1 = l1.Next
+//		l2 = l2.Next
+//
+//	}
+//
+//	return firstNode
+//}