Submission #1588023

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Source Code Expand

#define _CRT_SECURE_NO_WARNINGS
#include<iostream>
#include<cstdio>
#include<cstdlib>
#include<string>
#include<algorithm>
#include<cmath>
#include<queue>
#include<vector>
#include<stack>
using namespace std;

#define REP(i,n) for(int i=0;(i)<(n);(i)++)
#define ll long long

int main() {
	string s;
	cin >> s;

	int len = s.length();

	int ns = 0;
	int cnt = 0;
	REP(i, len) {

		if (s[i] == 'S') ns++;//Sを蓄える

		if (s[i] == 'T') {
			if (ns > 0) {//消去を行う
				ns--;
				cnt++;
			}
		}

	}

	cout << len - 2 * cnt << endl;
	return 0;
}

Submission Info

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