joc10.cpp: In function 'void trackback(int)': joc10.cpp:20: warning: 'auto' will change meaning in C++0x; please remove it joc10.cpp:20: error: expected initializer before ':' token joc10.cpp:55: error: expected primary-expression at end of input joc10.cpp:55: error: expected ';' at end of input joc10.cpp:55: error: expected primary-expression at end of input joc10.cpp:55: error: expected ')' at end of input joc10.cpp:55: error: expected statement at end of input joc10.cpp:55: error: expected '}' at end of input