Run id: 106889

Main.cc: In function 'int main()':
Main.cc:8:13: error: expected '}' at end of input
     return 0;
             ^
Main.cc:6:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%lf",&r);
                   ^