Mã chấm: 269379

Main.cc: In function ‘int main()’:
Main.cc:10:11: error: expected primary-expression before ‘%’ token
     scanf(%lf, &a);
           ^
Main.cc:10:12: error: ‘lf’ was not declared in this scope
     scanf(%lf, &a);
            ^~
Main.cc:15:15: error: ‘n’ was not declared in this scope
     while(tg>=n){
               ^