Compilare: main.cpp: In function 'int main()': main.cpp:41:32: warning: 'dr' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << st << ' ' << dr << ' ' << maxim << '\n'; ^~~ main.cpp:41:19: warning: 'st' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << st << ' ' << dr << ' ' << maxim << '\n'; ^~~