Borderou de evaluare (job #621940)

Eroare de compilare: main.cpp: In function 'char readChar()': main.cpp:19:30: error: 'fin' was not declared in this scope 19 | fread( rbuf, 1, BUFSIZE, fin ); | ^~~ main.cpp: In function 'int main()': main.cpp:56:3: error: 'ifstream' was not declared in this scope; did you mean 'std::ifstream'? 56 | ifstream f( "clasa2.in"); | ^~~~~~~~ | std::ifstream In file included from /usr/lib/gcc/i686-pc-linux-gnu/11.2.0/include/g++-v11/ios:38, from /usr/lib/gcc/i686-pc-linux-gnu/11.2.0/include/g++-v11/istream:38, from /usr/lib/gcc/i686-pc-linux-gnu/11.2.0/include/g++-v11/fstream:38, from main.cpp:2: /usr/lib/gcc/i686-pc-linux-gnu/11.2.0/include/g++-v11/iosfwd:162:41: note: 'std::ifstream' declared here 162 | typedef basic_ifstream<char> ifstream; | ^~~~~~~~ main.cpp:57:3: error: 'ofstream' was not declared in this scope; did you mean 'std::ofstream'? 57 | ofstream g( "clasa2.out", "w" ); | ^~~~~~~~ | std::ofstream In file included from /usr/lib/gcc/i686-pc-linux-gnu/11.2.0/include/g++-v11/ios:38, from /usr/lib/gcc/i686-pc-linux-gnu/11.2.0/include/g++-v11/istream:38, from /usr/lib/gcc/i686-pc-linux-gnu/11.2.0/include/g++-v11/fstream:38, from main.cpp:2: /usr/lib/gcc/i686-pc-linux-gnu/11.2.0/include/g++-v11/iosfwd:165:41: note: 'std::ofstream' declared here 165 | typedef basic_ofstream<char> ofstream; | ^~~~~~~~ main.cpp:85:12: error: 'fout' was not declared in this scope 85 | fprintf( fout, "%lld", sum ); | ^~~~ main.cpp:86:11: error: 'fin' was not declared in this scope 86 | fclose( fin ); | ^~~