concurs2.cpp: In function 'int main()': concurs2.cpp:55: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x concurs2.cpp:55: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x concurs2.cpp:55: error: narrowing conversion of 'aux' from 'int' to 'short int' inside { } concurs2.cpp:55: error: narrowing conversion of 'j' from 'int' to 'short int' inside { } concurs2.cpp:61: warning: comparison between signed and unsigned integer expressions concurs2.cpp:75: warning: comparison between signed and unsigned integer expressions