Solution.java

class Solution {
    public int findPoisonedDuration(int[] timeSeries, int duration) {
        int n = timeSeries.length;
        int ans = duration;
        for (int i = 1; i < n; ++i) {
            ans += Math.min(duration, timeSeries[i] - timeSeries[i - 1]);
        }
        return ans;
    }
}