foo.cc: In function 'int main()':
foo.cc:36:59: error: expected primary-expression before '>' token
    if((q[i]==-1||i==e)&&a[temp][i]!=N&&q[temp]-b[temp][i]=>0)
                                                           ^

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