Merge pull request neetcode-gh#955 from FahadulShadhin/c-solutions

Adding 7-Reverse-Integer.c

Author: Ahmad-A0

c/7-Reverse-Integer.c

@@ -0,0 +1,12 @@
+int reverse(int x) {
+    long reversed_num = 0;
+    while (x != 0) {
+        reversed_num = reversed_num * 10 + x % 10;
+        x /= 10;
+    }
+    
+    if (reversed_num < INT_MIN || reversed_num > INT_MAX) 
+        return 0;
+    
+    return reversed_num;
+}