Compilare: user.cpp: In function ‘void parsare(int&, int&, int&)’: user.cpp:38: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result user.cpp: In function ‘int main()’: user.cpp:86: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:87: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:89: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result