Hostel Room

There are initially $X$ people in a room. You are given an array $A$ of length $N$ which describes the following events: - If $A_i \geq 0$, then $A_i$ people enter the room at $i$-th minute. For e.g. if $A_2 = 3$, then $3$ people enter the room at the $2$-nd minute. - If $A_i \lt 0$, then $|A_i|$ people leave the room at $i$-th minute. Here $|A_i|$ denotes the absolute value of $A_i$. For e.g. i