init

top-100-liked/3_test.go

@@ -0,0 +1,32 @@
+package top100liked
+
+import "testing"
+
+// https://leetcode.cn/problems/longest-consecutive-sequence/description/?envType=study-plan-v2&envId=top-100-liked
+
+func longestConsecutive(nums []int) int {
+	numSet := map[int]bool{}
+	for _, num := range nums {
+		numSet[num] = true
+	}
+	res := 0
+	for k := range numSet {
+		if numSet[k-1] {
+			continue
+		}
+		curNum := k
+		curLen := 1
+		for numSet[curNum+1] {
+			curNum++
+			curLen++
+		}
+		if curLen > res {
+			res = curLen
+		}
+	}
+	return res
+}
+
+func TestS3(t *testing.T) {
+	println(longestConsecutive([]int{100, 4, 200, 1, 3, 2}))
+}