题解 | #字母统计#

//土尔逊Torson 编写于2023/4/18
#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <cstdio>
#include <string>
#include <cstring>
#include <stdlib.h>

using namespace std;

int number0421[26];

int main() {
	string str;
	while (cin >> str) {
		memset(number0421, 0, sizeof(number0421));
		for (int i = 0; i < str.size(); ++i) {
			if ('A' <= str[i] && str[i] <= 'Z') {
				number0421[str[i] - 'A']++;
			}
		}

		for (int i = 0; i < 26; ++i) {
			printf("%c:%d\n", 'A' + i, number0421[i]);
		}
	}
	system("pause");
	return EXIT_SUCCESS;
}
// 64 位输出请用 printf("%lld")