Eroare de compilare: user.cpp:13:1: warning: "maxn" redefined user.cpp:12:1: warning: this is the location of the previous definition user.cpp:27: error: ‘maxm’ was not declared in this scope user.cpp: In function ‘void DFs(long int)’: user.cpp:46: warning: comparison between signed and unsigned integer expressions user.cpp:47: error: ‘Q’ was not declared in this scope user.cpp:47: error: ‘nr2’ was not declared in this scope user.cpp:52: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int main()’: user.cpp:77: error: ‘Q’ was not declared in this scope user.cpp:80: error: ‘a’ was not declared in this scope user.cpp:80: error: ‘b’ was not declared in this scope user.cpp:85: error: ‘Q’ was not declared in this scope user.cpp:66: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:67: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result