首题解

import math
n = int(input())
a = []
for i in range(n):
    a.append(int(input()))
ans = a[0]
for i in range(1,n):
    ans = math.gcd(ans,a[i])
print(ans)

n = 输入
a = 空数组
for i = (0 to n-1):
    a[i] = 输入
ans = a[0]
for i = (1 to n-1):
    ans = 最大公约数(ans,a[i])
输出 ans