/in/foo.cc: In function 'int main()':
/in/foo.cc:22:6: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
      for(int i = 1;i <= n; i++) cin>>dis[i];  dis[n + 1] = l;
      ^~~
/in/foo.cc:22:47: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
      for(int i = 1;i <= n; i++) cin>>dis[i];  dis[n + 1] = l;
                                               ^~~