20190831 360笔试

https://blog.csdn.net/z13653662052/article/details/100175482

1.字串

def substr(s):
    arr = set()
    arr1 = set()
    for i in s:
        if i in arr1:
            pass
        else:
            arr1.add(i)
            j = s.count(i)
            arr.add(j)
    return max(arr)

if __name__ == "__main__":
    s = input()
    print(substr(s))

　2.散步

输入： 10 3 5 2 6

输出：8