Compilare: user.cpp: In function ‘int main()’: user.cpp:41: warning: format ‘%d’ expects type ‘int*’, but argument 3 has type ‘long long int*’ user.cpp:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:41: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:52: warning: ‘P1’ may be used uninitialized in this function user.cpp:52: warning: ‘P2’ may be used uninitialized in this function