Eroare de compilare: main.cpp: In function 'long long int read_u64()': main.cpp:11:22: error: 'read_ch' was not declared in this scope 11 | while (!isdigit(c = read_ch()) && c != '-'); | ^~~~~~~ main.cpp:18:21: error: 'read_ch' was not declared in this scope 18 | while (isdigit(c = read_ch())) { | ^~~~~~~ main.cpp: In function 'int main()': main.cpp:24:2: error: 'InParser' was not declared in this scope 24 | InParser fin( "bazaf.in" ); | ^~~~~~~~ main.cpp:28:2: error: 'fin' was not declared in this scope; did you mean 'sin'? 28 | fin >> cer; | ^~~ | sin Non zero exit status: 1