/in/foo.cc: In function 'int diao(int)':
/in/foo.cc:11:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
     for(i=1;i<=5;i++)
     ^~~
/in/foo.cc:24:6: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
      return s;
      ^~~~~~
/in/foo.cc: In function 'void xiao(int)':
/in/foo.cc:29:13: warning: unused variable 's' [-Wunused-variable]
     int i,j,s=0;
             ^