resolve format error

math/binary_exponent.cpp

@@ -9,18 +9,18 @@
 */
 
 /// Function to calculate exponent in O(log(n)) using binary exponent.
-int binExpo(int a,int b) {
+int binExpo(int a, int b) {
     if (b == 0) return 1;
-    int res = binExpo(a,b/2);
+    int res = binExpo(a, b/2);
     if (b%2) return res*res*a;
     else return res*res;
 }
 
 int main() {
-    int a,b;
+    int a, b;
     /// Give two nos as a^b (where '^' denotes power exponent operation)
     std::cin >> a >> b;
     /// Result of a^b
-    std::cout << binExpo(a,b) << std::endl;
+    std::cout << binExpo(a, b) << std::endl;
 }