Mã chấm: 465635
Main.cc: In function ‘int main()’: Main.cc:10:27: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::__cxx11::basic_string::size_type’ {aka ‘long unsigned int’} [-Wsign-compare] 10 | for(int i = 0 ; i < x.length(); i++) | ~~^~~~~~~~~~~~ Main.cc:11:38: error: expected ‘)’ before ‘{’ token 11 | for(int j=x.length(); j>0;j--{ | ~ ^ | ) Main.cc:12:37: error: invalid types ‘int[int]’ for array subscript 12 | if((x[i] == '{' && j[i] == '}') || | ^ Main.cc:13:42: error: invalid types ‘int[int]’ for array subscript 13 | (x[i] == '(' && j[i] == ')') || | ^ Main.cc:14:42: error: invalid types ‘int[int]’ for array subscript 14 | (x[i] == '[' && j[i] == ']') || | ^ Main.cc:15:42: error: invalid types ‘int[int]’ for array subscript 15 | (x[i] == '<' && j[i] == '>')) { | ^