Eroare de compilare: user.cpp:2:16: error: math: No such file or directory user.cpp:87:3: warning: no newline at end of file user.cpp:4: error: expected nested-name-specifier before 'std' user.cpp:4: error: namespace 'std' not allowed in using-declaration user.cpp:4: error: expected `;' before 'namespace' user.cpp:4: error: expected identifier before ';' token user.cpp: In function 'void sortv(long int*, long int*, int)': user.cpp:25: warning: unused variable 'j' user.cpp: In function 'int main()': user.cpp:46: error: 'ifstream' was not declared in this scope user.cpp:46: error: expected `;' before 'f' user.cpp:47: error: 'ofstream' was not declared in this scope user.cpp:47: error: expected `;' before 'g' user.cpp:48: error: 'f' was not declared in this scope user.cpp:63: error: 'pow' was not declared in this scope user.cpp:76: error: 'g' was not declared in this scope user.cpp:76: error: 'endl' was not declared in this scope