Create atoi.cpp

Author: avidLearnerInProgress

atoi.cpp

@@ -0,0 +1,10 @@
+class Solution {
+public:
+     int myAtoi(string str) {
+        int r = 0;
+        stringstream ss;
+        ss << str;
+        ss >> r;
+        return r;
+    }  
+};