ro.cpp: In function 'void euler(int)': ro.cpp:25: warning: comparison between signed and unsigned integer expressions ro.cpp: In function 'void dfs(int)': ro.cpp:53: warning: 'auto' will change meaning in C++0x; please remove it ro.cpp:53: error: expected initializer before ':' token ro.cpp:58: error: expected primary-expression before '}' token ro.cpp:58: error: expected ';' before '}' token ro.cpp:58: error: expected primary-expression before '}' token ro.cpp:58: error: expected ')' before '}' token ro.cpp:58: error: expected primary-expression before '}' token ro.cpp:58: error: expected ';' before '}' token ro.cpp: In function 'int main()': ro.cpp:105: warning: 'auto' will change meaning in C++0x; please remove it ro.cpp:105: error: expected initializer before ':' token ro.cpp:108: error: expected primary-expression before 'for' ro.cpp:108: error: expected ';' before 'for' ro.cpp:108: error: expected primary-expression before 'for' ro.cpp:108: error: expected ')' before 'for' ro.cpp:152: warning: 'auto' will change meaning in C++0x; please remove it ro.cpp:152: error: expected initializer before ':' token ro.cpp:153: error: expected primary-expression before '}' token ro.cpp:153: error: expected ';' before '}' token ro.cpp:153: error: expected primary-expression before '}' token ro.cpp:153: error: expected ')' before '}' token ro.cpp:153: error: expected primary-expression before '}' token ro.cpp:153: error: expected ';' before '}' token ro.cpp:81: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result ro.cpp:82: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result ro.cpp:84: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result ro.cpp:88: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result