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
^