You need to count how many days Takahashi did more tasks than he planned. For each day, compare the number of tasks he actually completed with his goal and keep track of the days he succeeded.
Input: [2, 5, 5, 6], [8, 5, 4, 7]
Output: 2
Input: [1, 1, 1, 1, 1], [1, 1, 1, 1, 1]
Output: 0