Submission #904314

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Source Code Expand

#include <bits/stdc++.h>
#define F first
#define S second
#define X real()
#define Y imag()
using namespace std;
typedef long long ll;
typedef long double ld;

int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	string s;
	cin>>s;
	string a;
	for (int i=0;i<(int)s.size();i++){
		if ((int)a.size()>0&&a.back()=='S'&&s[i]=='T'){
			a.pop_back();
		}
		else{
			a+=s[i];
		}
	}
	cout<<a.size()<<endl;
}

Submission Info

Judge Result