Compilare: user.cpp: In function 'std::vector<int, std::allocator<int> > add(std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)': user.cpp:26: warning: comparison between signed and unsigned integer expressions user.cpp:26: warning: comparison between signed and unsigned integer expressions user.cpp:28: warning: comparison between signed and unsigned integer expressions user.cpp:29: warning: comparison between signed and unsigned integer expressions user.cpp:23: warning: unused variable 'j' user.cpp:23: warning: unused variable 'k' user.cpp: In function 'std::vector<int, std::allocator<int> > mult(std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)': user.cpp:72: warning: comparison between signed and unsigned integer expressions user.cpp:74: warning: comparison between signed and unsigned integer expressions user.cpp:77: warning: comparison between signed and unsigned integer expressions user.cpp:79: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'std::vector<int, std::allocator<int> > putere(std::vector<int, std::allocator<int> >, long int)': user.cpp:113: warning: unused variable 'i' user.cpp: In function 'int main()': user.cpp:170: warning: format '%ld' expects type 'long int', but argument 2 has type 'int' user.cpp:182: warning: comparison between signed and unsigned integer expressions user.cpp:213: warning: format '%ld' expects type 'long int', but argument 2 has type 'int' user.cpp:220: warning: format '%ld' expects type 'long int', but argument 2 has type 'int'