大佬带带我，全re代码

#include<bits/stdc++.h>
using namespace std;
string s;
int a[26];
int main() {
	int b = 0;
	char c = 'A';
	for (int p = 0; p < 4; p++) {
		getline(cin, s);
		for (int i = 0; i < s.size(); i++) {
			if (s[i] == '.' || s[i] == '!') break;
			a[s[i] - 'A']++;
		}
	}for (int i1 = 0; i1 < 26; i1++) {
		if (a[i1] > b) b = a[i1];
	}for (int k = b; k > 0; k--) {
		for (int k1 = 0; k1 < 26; k1++) {
			if (a[k1] >= k) cout << "*";
			else cout << " ";
			if (k1 != 25) cout << " ";
		}printf("\n");
	}
	for (int l = 0; l < 26; l++) {
		cout << c;
		c = c + 1;
		if (l != 25) cout << " ";
	}
	return 0;
}