siruri2.cpp: In function 'void euler(int)': siruri2.cpp:10: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x siruri2.cpp:10: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x siruri2.cpp: In function 'int main()': siruri2.cpp:24: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x siruri2.cpp:24: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x siruri2.cpp:33: warning: comparison between signed and unsigned integer expressions