Compilare: user.cpp:183:2: warning: no newline at end of file user.cpp: In function 'int main()': user.cpp:49: warning: comparison between signed and unsigned integer expressions user.cpp:51: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void add()': user.cpp:101: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void sub()': user.cpp:113: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void multv(std::vector<int, std::allocator<int> >&, std::vector<int, std::allocator<int> >&, std::vector<int, std::allocator<int> >&)': user.cpp:153: warning: comparison between signed and unsigned integer expressions user.cpp:156: warning: comparison between signed and unsigned integer expressions user.cpp:159: warning: comparison between signed and unsigned integer expressions user.cpp:159: warning: comparison between signed and unsigned integer expressions user.cpp:161: warning: comparison between signed and unsigned integer expressions user.cpp:163: warning: comparison between signed and unsigned integer expressions