foo.cc: In function 'int main()':
foo.cc:6:13: warning: unused variable 'c' [-Wunused-variable]
   float a,b,c,d,e,f,g,h;
             ^
foo.cc:6:15: warning: unused variable 'd' [-Wunused-variable]
   float a,b,c,d,e,f,g,h;
               ^
foo.cc:6:17: warning: unused variable 'e' [-Wunused-variable]
   float a,b,c,d,e,f,g,h;
                 ^
foo.cc:6:19: warning: unused variable 'f' [-Wunused-variable]
   float a,b,c,d,e,f,g,h;
                   ^
foo.cc:6:21: warning: unused variable 'g' [-Wunused-variable]
   float a,b,c,d,e,f,g,h;
                     ^
foo.cc:6:23: warning: unused variable 'h' [-Wunused-variable]
   float a,b,c,d,e,f,g,h;
                       ^

自豪的采用jd5进行评测(github.com/masnn/jd5)

{"receive":"2020-02-17T10:18:22.011Z","handle":"2020-02-17T10:18:22.011Z","cache_start":"2020-02-17T10:18:22.011Z","read_cases":"2020-02-17T10:18:22.351Z","judge":"2020-02-17T10:18:22.353Z","done":"2020-02-17T10:18:22.933Z"}