Compilare: user.cpp: In function ‘int main()’: user.cpp:53: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:55: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:56: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:59: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘int cautbin0(int, int)’: user.cpp:14: warning: ‘m’ may be used uninitialized in this function user.cpp: In function ‘int cautbin1(int, int)’: user.cpp:27: warning: ‘m’ may be used uninitialized in this function user.cpp: In function ‘int cautbin2(int, int)’: user.cpp:39: warning: ‘m’ may be used uninitialized in this function