Compilare: user.cpp: In function ‘int main()’: user.cpp:16: warning: format ‘%d’ expects type ‘int*’, but argument 3 has type ‘int’ user.cpp:17: warning: format ‘%d’ expects type ‘int*’, but argument 3 has type ‘int’ user.cpp:15: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:16: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:17: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:16: warning: ‘A’ may be used uninitialized in this function user.cpp:17: warning: ‘B’ may be used uninitialized in this function