#include <vector>
#include <algorithm>
 
int variableSlidingWindow(const std::vector<int>& arr) {
    int left = 0;
    int bestAns = 0; 
    int currentState = 0; // Could be an int, unordered_map, etc.
 
    for (int right = 0; right < arr.size(); ++right) {
        // 1. ACQUIRE: Add arr[right] to the current state
        currentState += arr[right];
 
        // 2. RELEASE (Shrink): While the window is INVALID, move left pointer
        // Note: You will replace `conditionIsInvalid` with actual logic
        while (/* conditionIsInvalid(currentState) */ false) {
            // Remove arr[left] from current state
            currentState -= arr[left];
            left++; // Shrink the window
        }
 
        // 3. UPDATE: The window is now valid. Update the best answer.
        // Example for finding the max length:
        bestAns = std::max(bestAns, right - left + 1);
    }
 
    return bestAns;
}

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