Submission #904566

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Source Code Expand

#include <bits/stdc++.h>
#define rep(i, a, n) for(int i = a; i < n; i++)
#define repb(i, a, b) for(int i = a; i >= b; i--)
#define all(a) a.begin(), a.end()
#define int long long
using namespace std;
typedef pair<int, int> P;

signed main(){
    string s;
    cin >> s;
    int ans = 0;
    rep(i, 0, s.size()){
        if(s[i] == 'T') ans++;
        else break;
    }
    int tmp = 0;
    repb(i, s.size() - 1, 0){
        if(s[i] == 'S') tmp++;
        else break;
    }
    // cout << ans << tmp << endl;
    ans = max(ans, tmp);
    cout << 2 * ans << endl;
}

Submission Info

Judge Result