Submission #1824699

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Source Code Expand

#include<bits/stdc++.h>
#define r(i,n) for(int i=0;i<n;i++)
using namespace std;
#define int long long
int n,l,r,a[100001],b[100001],f;
main(){
  string s,t;
  cin>>s;
  r(i,s.size()){
    t+=s[i];
    while(t.size()>=2&&t[t.size()-1]=='T'&&t[t.size()-2]=='S'){
      t.erase(t.end()-1);
      t.erase(t.end()-1);
    }
  }
  cout<<t.size()<<endl;
}

Submission Info

Judge Result