Eroare de compilare: user.cpp: In function ‘void mfc::max_flow_cost(int&, int&, int, int)’: user.cpp:29: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void mfc::clear()’: user.cpp:50: error: ‘memset’ was not declared in this scope user.cpp: In function ‘int main()’: user.cpp:63: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:64: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:65: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:66: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result