Run id: 109542

Main.cc: In function 'int main()':
Main.cc:5:22: error: 'f' was not declared in this scope
     printf("%.4lf",((f-32)*5/9));
                      ^
Main.cc:4:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lf",&a);
                    ^