Eroare de compilare: main.cpp:8:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] main() ^ main.cpp: In function 'int main()': main.cpp:11:5: error: 'fin' was not declared in this scope fin >> s; ^~~ main.cpp:41:5: error: 'fout' was not declared in this scope fout << ans; ^~~~ main.cpp:13:9: warning: unused variable 'n' [-Wunused-variable] int n = s.size(); ^ main.cpp:20:9: warning: unused variable 'p' [-Wunused-variable] int p = 0; ^ Non zero exit status: 1