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:56: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘long long int max3(long long int, long long int, long long int)’: user.cpp:12: warning: ‘maxim’ may be used uninitialized in this function user.cpp:12: warning: ‘minim’ may be used uninitialized in this function