Borderou de evaluare (job #781701)

Eroare de compilare: main.cpp: In function 'int main()': main.cpp:8:5: error: 'ifstream' was not declared in this scope; did you mean 'std::ifstream'? 8 | ifstream fin("extraprime.in"); | ^~~~~~~~ | std::ifstream In file included from /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/ios:40, from /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/ostream:40, from /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/iostream:41, from main.cpp:1: /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/iosfwd:164:41: note: 'std::ifstream' declared here 164 | typedef basic_ifstream<char> ifstream; | ^~~~~~~~ main.cpp:9:5: error: 'ofstream' was not declared in this scope; did you mean 'std::ofstream'? 9 | ofstream fout("extraprime.out"); | ^~~~~~~~ | std::ofstream /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/iosfwd:167:41: note: 'std::ofstream' declared here 167 | typedef basic_ofstream<char> ofstream; | ^~~~~~~~ main.cpp:13:5: error: 'fin' was not declared in this scope; did you mean 'min'? 13 | fin>>a>>b; | ^~~ | min main.cpp:21:18: error: expected ';' before 'while' 21 | x=i*i | ^ | ; 22 | while(x<=b){ | ~~~~~ main.cpp:77:5: error: 'fout' was not declared in this scope 77 | fout<<cnt<<endl<<min<<endl<<max; | ^~~~ main.cpp:77:16: error: 'endl' was not declared in this scope; did you mean 'std::endl'? 77 | fout<<cnt<<endl<<min<<endl<<max; | ^~~~ | std::endl /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/ostream:735:5: note: 'std::endl' declared here 735 | endl(basic_ostream<_CharT, _Traits>& __os) | ^~~~