题解

#include <bits/stdc++.h>
using namespace std;
int main(){
	string str;
	cin >> str;
	string s;
	string sum = "";
	int count = 1;
	for (int i = 0;i < str.size();i ++){
		if (tolower(str[i]) == tolower(str[i + 1]) && i + 1 < str.size()){
			count += 1;
		} 
		else{
			s = tolower(str[i]);
    		for(int i = 0;i < s.size();i++){
        		if(s[i] <= 'z' && s[i] >= 'a'){
            		s[i] -= 32;
        		}
    		}
			cout << '(';
			cout << s ;
			cout << ",";
			cout << count;
			cout << ")";
			count = 1;
		}
	}
	cout << endl;
    return 0;
}