Main.cc: In function 'int main()': Main.cc:7:10: error: expected ',' or ';' before 'int' int p = n % 100 ^ Main.cc:11:4: error: 'else' without a previous 'if' } else { ^ Main.cc:6:6: warning: unused variable 'q' [-Wunused-variable] int q = n / 100 ^