foo.cc: In function 'int main()':
foo.cc:20:9: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
  if(m=10)
         ^

自豪的采用jd5进行评测(github.com/masnn/jd5)

{"receive":"2020-02-23T07:50:13.848Z","handle":"2020-02-23T07:50:13.848Z","done":"2020-02-23T07:50:14.586Z"}