foo.cc: In function 'int main()':
foo.cc:8:19: warning: unused variable 'shi' [-Wunused-variable]
    8 |  for(int i=100,ge,shi,bai,num=1;i<1000;i++)
      |                   ^~~
foo.cc:8:23: warning: unused variable 'bai' [-Wunused-variable]
    8 |  for(int i=100,ge,shi,bai,num=1;i<1000;i++)
      |                       ^~~

[Hydro](https://hydro.ac)提供评测服务