Chef and the Buckets

It is the festival of Holi and Chef and his friends are playing an interesting game. There are $N$ buckets numbered from $0$ to $N-1$, each of these buckets is initially empty. Now each of Chef’s friends will provide a total of $Q$ queries, where each query gives a range of buckets from $L$ to $R$ and a value $X$ which is the number of water balloons that must be added to each of these buckets fro