class Solution {
public int findPoisonedDuration(int[] timeSeries, int duration) {
int ret = 0;
// 1 4 5 6 12 19 d = 3
// 3 1 1 3 3 + 3
// 11+3
for(int i=1;i<timeSeries.length;i++)
{
int x = timeSeries[i] - timeSeries[i-1];
if(x>=duration) ret+=duration;
else ret+=x;
}
return ret+duration;
}
}