suxxsfe

摘要: 3.7 bool check(char *a){//return true if the expression is legal stack<char> s; for(; *a; a++){ if(*a == ')'){ if(s.top() != '('){ return false; } s.p 阅读全文
posted @ 2024-03-28 17:50 suxxsfe 阅读(18) 评论(0) 推荐(0) 编辑

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