message: Update grumpy-bookstore-owner.cpp
diff: @@ -5,7 +5,7 @@ class Solution {
  public:
  int maxSatisfied(vector<int>& customers, vector<int>& grumpy, int X) {
  int result = 0, max_extra = 0, extra = 0;
  - for (auto i = 0; i < customers.size(); ++i) {
  + for (int i = 0; i < customers.size(); ++i) {
  result += grumpy[i] ? 0 : customers[i];
  extra += grumpy[i] ? customers[i] : 0;
  if (i >= X) {
  