Submission #1258747

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

string str, stk;

int main( void ) {
    
    cin >> str;

    int cnt = 0;
    for( char ch : str ) {
        if( stk.empty() == false && stk.back() == 'S' && ch == 'T' )
            stk.pop_back();
        else
            stk.push_back( ch );
    }
    
    cout << stk.length() << endl;
    return 0;
}

Submission Info

Judge Result