Compilare: user.cpp: In function ‘long long unsigned int put(long long unsigned int, long long unsigned int, long long unsigned int)’: user.cpp:14:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=1;i<=b-1;i++) ^ user.cpp:20:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=1;i<=b/2;i++) ^ user.cpp:22:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=1;i<=b/2;i++) ^ user.cpp: In function ‘int main()’: user.cpp:32:17: warning: ‘a’ is used uninitialized in this function [-Wuninitialized] p=put(a,b,c); ^ user.cpp:32:17: warning: ‘b’ is used uninitialized in this function [-Wuninitialized] user.cpp:32:17: warning: ‘c’ is used uninitialized in this function [-Wuninitialized]