foo.c: In function 'main':
foo.c:15:26: warning: implicit declaration of function 'abs' [-Wimplicit-function-declaration]
    s[y+10000]=s[y+10000]+abs(a[i]-y);
                          ^~~

自豪的采用jd5进行评测(github.com/masnn/jd5)

{"receive":"2020-02-13T05:48:36.219Z","handle":"2020-02-13T05:48:36.219Z","cache_start":"2020-02-13T05:48:36.219Z","read_cases":"2020-02-13T05:48:36.387Z","judge":"2020-02-13T05:48:36.388Z","done":"2020-02-13T05:48:37.212Z"}