摘要：
原因是我定义了一个二维数组 int e[510][510]; 而在使用fill对数组初始化时，并没有采用二维数组初始化的方式，而是写成了: fill(e, e + 510 * 510, inf); 正确写法应该是: fill(e[0], e[0] + 510 * 510, inf); 阅读全文
摘要：
Given a non-negative integer N, your task is to compute the sum of all the digits of N, and output every digit of the sum in English. Input Specificat 阅读全文
摘要：
A family hierarchy is usually presented by a pedigree tree. Your job is to count those family members who have no child. Input Specification: Each inp 阅读全文