Eroare de compilare: user.cpp:3:16: error: math: No such file or directory user.cpp:4:18: error: stdlib: No such file or directory user.cpp: In function 'int pjnr(int, int)': user.cpp:27: error: 'pow' was not declared in this scope user.cpp: In function 'int main()': user.cpp:43: error: 'ifstream' was not declared in this scope user.cpp:43: error: expected `;' before 'f' user.cpp:44: error: 'ofstream' was not declared in this scope user.cpp:44: error: expected `;' before 'g' user.cpp:46: error: 'f' was not declared in this scope user.cpp:56: warning: comparison between signed and unsigned integer expressions user.cpp:122: error: 'pow' was not declared in this scope user.cpp:144: error: 'g' was not declared in this scope