Eroare de compilare: main.cpp: In function 'int main()': main.cpp:42:5: error: 'ifstream' was not declared in this scope; did you mean 'std::ifstream'? 42 | ifstream fin("transport.in"); | ^~~~~~~~ | std::ifstream In file included from /usr/include/c++/12.2.1/ios:38, from /usr/include/c++/12.2.1/ostream:38, from /usr/include/c++/12.2.1/iostream:39, from main.cpp:1: /usr/include/c++/12.2.1/iosfwd:162:41: note: 'std::ifstream' declared here 162 | typedef basic_ifstream<char> ifstream; | ^~~~~~~~ main.cpp:43:5: error: 'ofstream' was not declared in this scope; did you mean 'std::ofstream'? 43 | ofstream fout("transport.out"); | ^~~~~~~~ | std::ofstream /usr/include/c++/12.2.1/iosfwd:165:41: note: 'std::ofstream' declared here 165 | typedef basic_ofstream<char> ofstream; | ^~~~~~~~ main.cpp:45:5: error: 'fin' was not declared in this scope 45 | fin>>n>>k; | ^~~ main.cpp:56:5: error: 'fout' was not declared in this scope 56 | fout<<ans; | ^~~~ Non zero exit status: 1