Merge pull request gzc426#7 from gityjx/gityjx-patch-5

jansoneo · web-flow · commit 7617104f885c · 2018-11-30T14:47:38.000+08:00
Create halfofwater.md
diff --git a/2018.12.1-leetcode387/halfofwater.md b/2018.12.1-leetcode387/halfofwater.md
@@ -0,0 +1,27 @@
+## Leetcode 387
+
+``` C++
+class Solution {
+public:
+    int firstUniqChar(string s) {
+       	if (s.size() == 0) return -1;
+	if (s.size() < 2) return 0;
+	string alphabet = "abcdefghijklmnopqrstuvwxyz";
+	map<char, int> countMap;
+	s += '\0';
+	char *sHead = (char *)s.data();
+	char *head = sHead;
+	while (*sHead != '\0')
+	{
+		countMap[*sHead]++;
+		++sHead;
+	}
+	for (int i = 0; i < s.size(); i++) {
+		if (countMap[s[i]] == 1){
+			return i;
+		}
+	}
+	return -1;
+    }
+};
+```
