#include <iostream> #include <string> #include <algorithm> using namespace std; int main() { string input; cin >> input; int charCounts[26] = {0}; // 使用传统的数组初始化为0 // 使用传统的for循环遍历字符串 for (int i = 0; i < input.length(); i++) { char c = input[i]; if (c >= 'a' && c <= 'z') { charCounts[c - 'a']++; } } char maxChar = 'a'; int maxCount = 0; // 查找出现次数最多的字符 for (int i = 0; i < 26; i++) { if (charCounts[i] > maxCount || (charCounts[i] == maxCount && 'a' + i < maxChar)) { maxChar = 'a' + i; maxCount = charCounts[i]; } } cout << maxChar << " " << maxCount << endl; return 0; }