Compilare: user.cpp: In function ‘void generare(int, int)’: user.cpp:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void Lee(int, int)’: user.cpp:158: warning: unused variable ‘t’ user.cpp: In function ‘int main()’: user.cpp:227: warning: unused variable ‘i’ user.cpp:227: warning: unused variable ‘j’ user.cpp:228: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:229: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:230: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result