src/main.cpp

// Base headers.
#include"base/index.hpp"

// Topic-specific headers.
#include"topics/index.hpp"

// Run the solution to the problem.
void solve(){}

#ifndef LOCAL
// Optional online input and output filenames respectively.
constexpr char const*infile=nullptr;
constexpr char const*outfile=nullptr;
#endif

// Run the program.
int main(){
    // Desynchronize the standard C and C++ streams.
    ios::sync_with_stdio(false);
    // Configure the standard character input stream.
    cin.tie(nullptr);
    // Configure the standard character output stream.
    cout<<fixed<<setprecision(numeric_limits<f80>::max_digits10);
#ifdef LOCAL
    // Configure the standard character error stream locally.
    cerr<<fixed<<setprecision(numeric_limits<f80>::max_digits10);
    // Run the solution to the problem at least once locally.
    LOG(YELLOW,BOLD,"Start");
    do{
        solve();
        LOG(GREEN,BOLD,"Accepted");
        cin>>ws;
    }while(cin.good());
    LOG(YELLOW,BOLD,"Finish");
#else
    // Maybe redirect the input online.
    if constexpr(infile){
        static ifstream const in(infile);
        cin.rdbuf(in.rdbuf());
    }
    // Maybe redirect the output online.
    if constexpr(outfile){
        static ofstream const out(outfile);
        cout.rdbuf(out.rdbuf());
    }
    // Run the solution to the problem once online.
    solve();
#endif
}