foo.cc: In function 'int main()':
foo.cc:51:15: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else]
             if(j%2)
               ^
foo.cc:62:15: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else]
             if(j%2)
               ^

自豪的采用 HydroJudge 进行评测(github.com/hydro-dev/HydroJudge)

{"receive":"2020-07-25T08:27:21.085Z","handle":"2020-07-25T08:27:21.085Z","done":"2020-07-25T08:27:22.882Z"}