View Compilation Error

0_0_20788667_8571.cpp: In function 'int main()':
0_0_20788667_8571.cpp:30:13: error: expected ';' before 'long'
             long long num=ans*100;
             ^
0_0_20788667_8571.cpp:31:28: error: 'num' was not declared in this scope
             printf("$%lld",num/100);
                            ^