#45435: easy
0801elmer666@gmail.com
(薛冠志)
學校
:
國立霧峰高級農工職業學校
編號 : 273218
來源 : [111.83.153.175]
最後登入時間 ：
2025-04-22 12:40:30
a, b = map(int,input().split())
num = int(input())
time = list(map(int,input().split()))
total = 0
for i in range(num):
total_num = 0
one = a + b
plus = time[i] % one
green = plus - a
if green < 0:
total_num = 0
elif green == 0:
total_num = b
else:
total_num = b - green
total += total_num
print(total)
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