Compilare: user.cpp: In function ‘void cicluEuler(int, int, int)’: user.cpp:38: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int main()’: user.cpp:57: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x user.cpp:58: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x user.cpp:65: warning: comparison between signed and unsigned integer expressions