Submission #1595362

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Source Code Expand

#include<iostream>
#include<string>
#include<string.h>
#include<algorithm>
#include<stdio.h>
#include<cmath>
#include<vector>
#include<utility>
#define FOR(i, a, b) for(int i=(a);i<=(b);i++)
#define RFOR(i, a, b) for(int i=(a);i>=(b);i--)
#define MOD 1000000007
using namespace std;

int main(void) {
	string s,t;
	int p;
	cin >> s;
	t.push_back(s[0]);
	FOR(i, 1, s.size() - 1) {
		if (s[i] == 'S') {
			t.push_back(s[i]);
		}
		else {
			if (t[t.size()-1] == 'S') {
				t.pop_back();
			}
			else {
				t.push_back(s[i]);
			}
		}
	}
	cout << t.size() << endl;
	return 0;
}

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