0_0_12102409_7951.cpp: In function `void dfs2(int)': 0_0_12102409_7951.cpp:70: error: stray '\163' in program 0_0_12102409_7951.cpp:70: error: stray '\219' in program 0_0_12102409_7951.cpp:70: error: expected `;' before "s"