/in/foo.cc: In function 'int main()':
/in/foo.cc:25:13: warning: array subscript is above array bounds [-Warray-bounds]
  if(s[1]>s[2]) swap(s[1],s[2]);
          ~~~^
/in/foo.cc:26:22: warning: array subscript is above array bounds [-Warray-bounds]
  cout<<s[1]<<" "<<s[2];
                      ^