Compilare: user.cpp: In function ‘int main()’: user.cpp:15:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(strlen(s)<w) ^ user.cpp:19:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<strlen(s);i++) ^ user.cpp:39:25: warning: array subscript is below array bounds [-Warray-bounds] if(sir[x]<w && w-sir[x]>5) ^ user.cpp:42:29: warning: array subscript is below array bounds [-Warray-bounds] w-=sir[x]; ^