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1052. Grumpy Bookstore Owner 👍

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class Solution {
 public:
  int maxSatisfied(vector<int>& customers, vector<int>& grumpy, int X) {
    int satisfied = 0;
    int madeSatisfied = 0;
    int windowSatisfied = 0;

    for (int i = 0; i < customers.size(); ++i) {
      if (grumpy[i] == 0)
        satisfied += customers[i];
      else
        windowSatisfied += customers[i];
      if (i >= X && grumpy[i - X] == 1)
        windowSatisfied -= customers[i - X];
      madeSatisfied = max(madeSatisfied, windowSatisfied);
    }

    return satisfied + madeSatisfied;
  }
};

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class Solution {
  public int maxSatisfied(int[] customers, int[] grumpy, int X) {
    int satisfied = 0;
    int madeSatisfied = 0;
    int windowSatisfied = 0;

    for (int i = 0; i < customers.length; ++i) {
      if (grumpy[i] == 0)
        satisfied += customers[i];
      else
        windowSatisfied += customers[i];
      if (i >= X && grumpy[i - X] == 1)
        windowSatisfied -= customers[i - X];
      madeSatisfied = Math.max(madeSatisfied, windowSatisfied);
    }

    return satisfied + madeSatisfied;
  }
}

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class Solution:
  def maxSatisfied(
      self,
      customers: list[int],
      grumpy: list[int],
      X: int,
  ) -> int:
    satisfied = sum(c for i, c in enumerate(customers) if grumpy[i] == 0)
    madeSatisfied = 0
    windowSatisfied = 0

    for i, customer in enumerate(customers):
      if grumpy[i] == 1:
        windowSatisfied += customer
      if i >= X and grumpy[i - X] == 1:
        windowSatisfied -= customers[i - X]
      madeSatisfied = max(madeSatisfied, windowSatisfied)

    return satisfied + madeSatisfied