几道与数据结构有关的编程题目

表达式求值答案仅作参考#include#include#includeintkuohaopipei(chara[]){intj,k=0;for(j=0;a[j]!='\0';j++){if(a[j]=='(')k++;if(a[j]==')')k--;}if(k==0)return1;elsereturn0;}intisoptr(chara){inti;