/in/foo.cc: In function 'int main()':
/in/foo.cc:47:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for(i=1;i<=n;i++)
  ^~~
/in/foo.cc:49:3: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
   cout<<s;
   ^~~~
/in/foo.cc:13:10: warning: unused variable 'zongjin' [-Wunused-variable]
  int n,i,zongjin,max,count,s;
          ^~~~~~~
/in/foo.cc:14:7: warning: unused variable 'Y' [-Wunused-variable]
  char Y;
       ^