摘要： #include #include #include using namespace std; struct node { double a, b, c, d; node(){} void add(double a, double b, double c, double d){ this->a = a; this->b = b; this->c = c; thi... 阅读全文

摘要： #include #include using namespace std; bool islower(char ch) { if (ch >= 'a' && ch = 'A' && ch > T; while (T--) { cin >> ch >> y; sum = y; if (islower... 阅读全文