题解 | #删除字符串中出现次数最少的字符#
删除字符串中出现次数最少的字符
https://www.nowcoder.com/practice/05182d328eb848dda7fdd5e029a56da9
import sys from collections import Counter for line in sys.stdin: c = Counter(line.strip()) m = c.most_common()[-1][1] result = '' for i in line: if c[i]!= m: result += i print(result)
思路比较简单:
1.计数,找到数量最小的
2.遍历,看字符是否匹配数量最小的