错误解释
CompileError!
编译信息
main.cpp: In function \xe2\x80\x98int main()\xe2\x80\x99:\nmain.cpp:10:87: error: \xe2\x80\x98s\xe2\x80\x99 was not declared in this scope\n 10 | if (str[i] == '(' || str[i] == '{' || str[i] == '<' || str[i] == '[') st.push(s[i]);\n | ^\nmain.cpp:12:17: error: \xe2\x80\x98s\xe2\x80\x99 was not declared in this scope\n 12 | if (s.empty()){\n | ^\n