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:27: warning: comparison between signed and unsigned integer expressions user.cpp:27: warning: comparison between signed and unsigned integer expressions user.cpp:29: warning: comparison between signed and unsigned integer expressions user.cpp:30: warning: comparison between signed and unsigned integer expressions user.cpp:24: warning: unused variable 'j' user.cpp:24: 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:73: warning: comparison between signed and unsigned integer expressions user.cpp:75: warning: comparison between signed and unsigned integer expressions user.cpp:78: warning: comparison between signed and unsigned integer expressions user.cpp:80: 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:114: warning: unused variable 'i' user.cpp: In function 'int main()': user.cpp:171: warning: format '%ld' expects type 'long int', but argument 2 has type 'int' user.cpp:183: warning: comparison between signed and unsigned integer expressions user.cpp:214: warning: format '%ld' expects type 'long int', but argument 2 has type 'int' user.cpp:221: warning: format '%ld' expects type 'long int', but argument 2 has type 'int'