0_0_39670439_20648.cpp:68:2: error: expected '}' at end of input 68 | } | ^ 0_0_39670439_20648.cpp:9:13: note: to match this '{' 9 | class Stack { | ^ 0_0_39670439_20648.cpp:68:2: error: expected ';' at end of input 68 | } | ^ | ;