Submission #905110

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Source Code Expand

#include <algorithm>
#include <cstdio>
#include <ctype.h>
#include <functional>
#include <iostream>
#include <cassert>
#include <cfloat>
#include <climits>
#include <complex>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <map>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <time.h>
#include <vector>
using namespace std;

int main() {
	string S;


	cin >> S;
	int a = 0;
	int b = 0;
	int res=0;
	for (int i = 0; i < S.size(); i++) {
		if (S[i] == 'S') {
			a++;
		}
		else {
			if (a == 0) {
				res+=2;
			}
			else {
				a--;
			}
			b++;
		}
		
	}
	cout << res << endl;
	return 0;
}

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