Create 7_Reverse Integer

Author: CY-Gu

7_Reverse Integer

@@ -0,0 +1,26 @@
+class Solution {
+public:
+    int reverse(int x) {
+        
+        double reverse = 0;
+
+        int n = 0;
+        
+        if(x >= pow(2,31)-1 || x <= -1*pow(2,31)) return 0;
+        
+        int a = abs(x);
+        
+        while(a != 0){
+            n = a % 10;
+            reverse = reverse * 10 + n;  
+            a = a / 10;
+        }
+            
+        if(x > 0 && reverse <= pow(2,31)-1)
+            return reverse;
+        else if(x < 0 && reverse <= pow(2,31))
+            return -1 * reverse;
+        else
+            return 0;
+    }
+};