The Counter That Loses Nothing

Implement a Counter that stays EXACT under concurrent callers. Increment must call CjConcurrency.Pause() once (simulated work) — where you put it relative to the update decides everything. Also implement Drain() returning the count and resetting to 0 atomically. ``csharp public sealed class Counter { public void Increment(); // calls CjConcurrency.Pause(); exact under contention public int Value { get; } // completed increments so far public int Drain(); // returns count, resets to 0 } ``