Compilare: user.cpp: In function ‘int main()’: user.cpp:65: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int suma(int*, int, int)’: user.cpp:19: warning: ‘s’ may be used uninitialized in this function user.cpp: In function ‘void prot(int*, int, int)’: user.cpp:19: warning: ‘s’ may be used uninitialized in this function user.cpp:19: note: ‘s’ was declared here user.cpp: In function ‘int main()’: user.cpp:68: warning: ‘pi’ may be used uninitialized in this function user.cpp:68: warning: ‘pf’ may be used uninitialized in this function