A chaque j'execute mon programme, il m'affiche ceci:

Linking...
complexe.obj : error LNK2001: unresolved external symbol "public: __thiscall complexe::complexe(void)" (??0complexe@@QAE@XZ)
Debug/complexe.exe : fatal error LNK1120: 1 unresolved externals
Error executing link.exe.

complexe.exe - 2 error(s), 0 warning(s)


Je l'execute sous visual c++