0_0_34345585_21970.cpp:1:2: error: invalid preprocessing directive #!
#!/usr/bin/env python
^
0_0_34345585_21970.cpp:6:3: error: invalid preprocessing directive #region
# region fastio
^
0_0_34345585_21970.cpp:58:3: error: invalid preprocessing directive #endregion
# endregion
^
0_0_34345585_21970.cpp:2:1: error: 'import' does not name a type
import os
^
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