Compilare: user.cpp: In function ‘int main()’: user.cpp:134: warning: format ‘%d’ expects type ‘int*’, but argument 3 has type ‘short int*’ user.cpp:138: warning: format ‘%d’ expects type ‘int*’, but argument 3 has type ‘short int*’ user.cpp:134: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:138: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:146: warning: ‘xmin’ may be used uninitialized in this function user.cpp:146: warning: ‘xmax’ may be used uninitialized in this function