Monster Monster

You have run into an army of $N$ monsters, and you must defeat them all! Each monster has a certain amount of health points (HP) which you know beforehand — the $i$-th monster has $H_{i}$ HP. You can attack exactly **one** monster per day, and only if your attack stat $A$ is **greater than or equal to** the monster's HP. In other words, you can attack a monster only if you can defeat it in a s