Compilare: user.cpp: In function ‘int cb1(long long int)’: user.cpp:24:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (p < n) ^ user.cpp:28:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (j+p>n) ^ user.cpp: In function ‘int main()’: user.cpp:49:14: warning: narrowing conversion of ‘i’ from ‘unsigned int’ to ‘int’ inside { } [-Wnarrowing] v[i] = {prod, i, lft}; ^ user.cpp:49:14: warning: narrowing conversion of ‘lft’ from ‘unsigned int’ to ‘int’ inside { } [-Wnarrowing]