摘要：http://acm.sdut.edu.cn/web/problem.php?action=showproblem&problemid=2389题意：判断表达式是否成立；精度要求非常高；代码：View Code #include <cstdio>#include <iostream>#include <cstring>#include <cstdlib>#include <algorithm>using namespace std;struct node{ char str[25]; double data;}link[55] 阅读全文