摘要： A traveler's map gives the distances between cities along the highways, together with the cost of each highway. Now you are supposed to write a progra 阅读全文

摘要： Given a collection of number segments, you are supposed to recover the smallest number from them. For example, given {32, 321, 3214, 0229, 87}, we can 阅读全文

摘要： 中国的古人写文字，是从右向左竖向排版的。本题就请你编写程序，把一段文字按古风排版。 输入格式： 输入在第一行给出一个正整数N（<100），是每一列的字符数。第二行给出一个长度不超过1000的非空字符串，以回车结束。 输出格式： 按古风格式排版给定的字符串，每列N个字符（除了最后一列可能不足N个） 输 阅读全文

摘要： A Digital Library contains millions of books, stored according to their titles, authors, key words of their abstracts, publishers, and published years 阅读全文