Submission #905403

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Source Code Expand

#include <iostream>
#include <stack>
using namespace std;

int main(){
    stack<char> st;
    char c;
    while(cin >> c){
        if(st.empty()){
            st.push(c);
        }else if( c == 'T' && st.top() == 'S' ){
            st.pop();
        }else{
            st.push(c);
        }
    }
    
    cout << st.size() << endl;
}

Submission Info

Judge Result