数据结构实验二（括号的匹配）程序statuspipei(sqstack*s,char*str)//判断括号匹配{inti=0,flag=0;SElemtypee;while(str[i]!='\0'){switch(str[i]){case'(':push(s,str[i]);break;//左括号进栈case'[':push(s,str[i]);break;case