题解 | #删除字符串中出现次数最少的字符#

def func(s):
    dic, res = {}, ''
    for c in s:
        if c not in dic:
            dic[c] = 1
        else:
            dic[c] += 1
    min_count = min(dic.values())
    for c in s:
        if dic[c] != min_count:
            res += c
    return res

while 1:
    try:
        s = input()
        print(func(s))
    except:
        break