2672 问题 A: 蓝桥杯2022年第十三届省赛真题-字符统计
时间限制: 1s
内存限制: 512MB 提交: 5118 解决: 2539
题目描述
给定一个只包含大写字母的字符串 S,请你输出其中出现次数最多的字母。
如果有多个字母均出现了最多次,按字母表顺序依次输出所有这些字母。
提示
对于 100% 的评测用例,1 ≤ |S | ≤ 106 .
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