Main.cc: In function 'int main()':
Main.cc:8:3: error: expected ',' or ';' before 'int'
int bai = i / 100;
^
Main.cc:11:20: error: 'bai' was not declared in this scope
if (qian == 3 || bai == 3 || shi == 3 || ge == 3) {
^