Add Go solutions

go/blind75/arrayAndHashing/1-Two-Sum.go

@@ -0,0 +1,14 @@
+package arrayAndHashing
+
+func twoSum(nums []int, target int) []int {
+    seen := make(map[int]int)
+
+    for i, num := range nums {
+        diff := target - num
+        if j, ok := seen[diff]; ok {
+            return []int{i, j}
+        }
+        seen[num] = i
+    }
+    return []int{}
+}

go/blind75/arrayAndHashing/242-Valid-Anagrams.go

@@ -0,0 +1,17 @@
+package arrayAndHashing
+
+func isAnagram(s string, t string) bool {
+    chars := [26]int{}
+    for _, c := range s {
+        chars[c - 'a']++
+    }
+    for _, c := range t {
+        chars[c - 'a']--
+    }
+    for _, v := range chars {
+        if v != 0 {
+            return false
+        }
+    }
+    return true
+}