Main.cc: In function 'int main()': Main.cc:11:12: error: a function-definition is not allowed here before '{' token int main() { ^ Main.cc:8:9: warning: unused variable 'b' [-Wunused-variable] int b[100][100]; ^ Main.cc:9:5: warning: unused variable 'c' [-Wunused-variable] int c[100][100]; ^ Main.cc:10:5: warning: unused variable 'a' [-Wunused-variable] int a[100][100]; ^ Main.cc:32:1: error: expected '}' at end of input } ^