Issue #4 solved

Author: amajaying

LeetCode Questions/C++/1. Problems/7-reverse-integer.cpp

@@ -0,0 +1,21 @@
+class Solution {
+public:
+    int reverse(int x) {
+        
+        int num=0;
+        
+        while(x != 0){
+        
+            int dig = x % 10;
+            
+            if((num > INT_MAX/10) || (num < INT_MIN/10)){
+                return 0;
+            }
+            
+            num=(num*10)+dig;
+            
+            x=x/10;
+        }
+        return num;
+    }
+};