Compilare: user.cpp: In function ‘int main()’: user.cpp:52: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:53: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:54: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void egalare(int*, int*)’: user.cpp:7: warning: ‘cifre1’ may be used uninitialized in this function user.cpp: In function ‘void suma(int*, int*, int*)’: user.cpp:23: warning: ‘cifrea’ may be used uninitialized in this function user.cpp:23: warning: ‘cifreb’ may be used uninitialized in this function