Add problem 14 .

1 files changed, 35 insertions, 0 deletions

diff --git a/cpp/14.cpp b/cpp/14.cpp
new file mode 100644
index 0000000..c1619b8
--- /dev/null
+++ b/cpp/14.cpp
@@ -0,0 +1,35 @@
+#include <string>
+#include <vector>
+
+using std::string;
+using std::vector;
+
+class Solution
+{
+public:
+    string longestCommonPrefix(vector<string> &strs)
+    {
+        if (strs.empty())
+            return "";
+
+        string result;
+
+        const auto &first = strs.front();
+
+        for (int i = 0; i < first.size(); i++)
+        {
+            char c = first[i];
+
+            for (int j = 1; j < strs.size(); j++)
+            {
+                if (strs[j][i] != c)
+                    goto r;
+            }
+
+            result.push_back(c);
+        }
+
+    r:
+        return result;
+    }
+};