题解 | 数颜色

#include<bits/stdc++.h>
using namespace std;
int main(){
	string s;
	int a=0,b=0,c=0;
	cin>>s;
	for(int i=0;i<s.size();i++){
		if(s[i]=='R'){
			a++;
		}else if(s[i]=='G'){
			b++;
		}else if(s[i]=='B'){
			c++;
		}
	}
	cout<<"("<<a<<","<<b<<","<<c<<")";
	return 0;
}