规范格式

leetcode/0532.K-diff-Pairs-in-an-Array/532. K-diff Pairs in an Array.go

@@ -0,0 +1,22 @@
+package leetcode
+
+func findPairs(nums []int, k int) int {
+	if k < 0 || len(nums) == 0 {
+		return 0
+	}
+	var count int
+	m := make(map[int]int, len(nums))
+	for _, value := range nums {
+		m[value]++
+	}
+	for key := range m {
+		if k == 0 && m[key] > 1 {
+			count++
+			continue
+		}
+		if k > 0 && m[key+k] > 0 {
+			count++
+		}
+	}
+	return count
+}