scor2.cpp: In function 'int main()': scor2.cpp:120: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x scor2.cpp:120: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x scor2.cpp:121: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x scor2.cpp:121: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x scor2.cpp: In function 'void calculateGrade(int)': scor2.cpp:142: warning: comparison between signed and unsigned integer expressions