张大大123

摘要： 题目如下： One way that the police finds the head of a gang is to check people's phone calls. If there is a phone call between A and B, we say that A a... 阅读全文

摘要： 题目如下： Given any string of N (>=5) characters, you are asked to form the characters into the shape of U. For example, "helloworld" can be printed a... 阅读全文

摘要： 题目如下： To store English words, one method is to use linked lists and store a word letter by letter. To save some space, we may let the words share th... 阅读全文

摘要： 题目如下： With highways available, driving a car from Hangzhou to any other city is easy. But since the tank capacity of a car is limited, we have to ... 阅读全文

摘要： 题目如下： Given an increasing sequence S of N integers, the median is the number at the middle position. For example, the median of S1={11, 12, 13, 14... 阅读全文

摘要： 题目如下： Excel can sort records according to any column. Now you are supposed to imitate this function. Input Each input file contains one test case.... 阅读全文

摘要： 题目如下： People in Mars represent the colors in their computers in a similar way as the Earth people. That is, a color is represented by a 6-digit nu... 阅读全文

摘要： 小记一下。 因为全面转向 Python 3.4 作为主力开发版本，但是手上的 Mac OS X 和服务器上用的都是 Python 2.7，所以需要安装 pyenv。 按其 github 页面的说明，使用 homebrew 安装brew updatebrew install pyen... 阅读全文

摘要： 对于超大数字的运算，用long long int仍然不能解决，这时候就需要考虑通过模拟运算和数组存储来实现高精度运算。 本文讨论借助C++的string来实现高精度的运算。 首先输入的量直接存储为string，设为s1和s2。 接下来设计一个反转函数，用于把整个字符串反转（为了方便后续计算）。 ... 阅读全文

摘要： 题目如下： Programming Ability Test (PAT) is organized by the College of Computer Science and Technology of Zhejiang University. Each test is supposed ... 阅读全文