Leetcode 2960. Count Tested Devices After Test Operations

Process the array left-to-right: whenever batteryPercentages[i] > 0 you test that device (increment count) and all later devices lose 1 battery (floored at 0). Equivalently, return the number of indices i for which batteryPercentages[i] is greater than the number of previously successful tests.

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Leetcode 2960. Count Tested Devices After Test Operations

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