#797 · #1921 · Eliminate Maximum Number of Monsters(消灭怪物的最大数量)

You are given dist[i] (distance from the city) and speed[i] (speed per minute) for n monsters. Each minute you may eliminate one monster; a monster reaching the city ends the game. Return the maximum number of monsters eliminated. Constraints: 1 <= n <= 10^5, 1 <= dist[i], speed[i] <= 10^5.