题解 | #字母统计#开个大小为26的数组计数就行
字母统计
https://www.nowcoder.com/practice/de7bf0945c1c4bd1aa9d49573b831f3c
#include <iostream>
using namespace std;
int main() {
int counts[26]{};
string s;
cin >> s;
for (char c: s) {
if (c >= 'A' && c <= 'Z')
counts[c - 'A']++;
}
for (int i = 0; i < 26; i++) {
cout << (char) (i + 'A') << ':' << counts[i] << endl;
}
return 0;
}
，这还是稳定一个月2.5w的前提，草了