Compilare: user.cpp: In function ‘void read()’: user.cpp:53: warning: format ‘%d’ expects type ‘int*’, but argument 2 has type ‘short int*’ user.cpp:57: warning: format ‘%d’ expects type ‘int*’, but argument 2 has type ‘short int*’ user.cpp:57: warning: format ‘%d’ expects type ‘int*’, but argument 3 has type ‘short int*’ user.cpp:53: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:57: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void solve()’: user.cpp:62: warning: ‘posi’ may be used uninitialized in this function