Main.cc: In function ‘int main()’: Main.cc:8:5: error: expected ‘,’ or ‘;’ before ‘for’ for(int i=n;i>=1;i--){ ^~~ Main.cc:8:17: error: ‘i’ was not declared in this scope for(int i=n;i>=1;i--){ ^ Main.cc:7:9: warning: unused variable ‘n’ [-Wunused-variable] int n=max(a,b) ^