摘要：Time limit: 30.000 seconds限时30.000秒Problem问题A triangle is a basic shape of planar geometry. It consists of three straight lines and three angles in between. Figure 1 shows how the sides and angles are usually labeled. Figure: TriangleA look into a book about geometry shows that many formulas for tri 阅读全文

摘要：Time limit: 3.000 seconds限时3.000秒Problem问题Many researchers are faced with an ever increasing number of journal articles to read and find it difficult to locate papers of relevance to their particular lines of research. However, it is possible to subscribe to various services which claim that they wi 阅读全文

摘要：Time limit: 30.000 seconds限时30.000秒Problem问题There was once a 3 by 3 by 3 cube built of 27 smaller cubes. It has fallen apart into seven pieces:写曾经有一个3x3x3的立方块，由27个小立方块构成。它被切分为了如下七个碎片：Figure 1: The seven pieces that once formed a cube图1：组成立方体的七块碎片The seven pieces can be assembled in many ways to agai 阅读全文

摘要：Time limit: 3.000 seconds限时3.000秒Problem问题Given a graph (V,E) where V is a set of nodes and E is a set of arcs in VxV, and an ordering on the elements... 阅读全文

摘要：Time limit: 3.000 seconds限时3.000秒Problem问题A computer programmer lives in a street with houses numbered consecutively (from 1) down one side of the street. Every evening she walks her dog by leaving her house and randomly turning left or right and walking to the end of the street and back. One night 阅读全文

摘要：Time limit: 3.000 seconds限时：3.000秒Problem问题Gondwanaland Telecom makes charges for calls according to distance and time of day. The basis of the charging is contained in the following schedule, where t... 阅读全文

摘要：Time limit: 3.000 seconds限时：3.000秒Background and Problem背景与问题The historian Flavius Josephus relates how, in the Romano-Jewish conflict of 67 A.D., the Romans took the town of Jotapata which he was com... 阅读全文

摘要：Time limit: 3.000 seconds限时：3.000秒Problem问题You work for a company which uses lots of personal computers. Your boss, Dr Penny Pincher, has wanted to link the computers together for some time but has be... 阅读全文

摘要：Time limit: 3.000 seconds限时：3.000秒Problem问题New Zealand currency consists of $100, $50, $20, $10, and $5 notes and $2, $1, 50c, 20c, 10c and 5c coins. Write a program that will determine, for any given... 阅读全文

摘要：Time limit: 3.000 seconds限时：3.000秒Problem问题You are to simulate the playing of games of "Accordian" patience, the rules for which are as follows:模拟玩一个“手风琴”纸牌游戏，规则如下：Deal cards one by one in... 阅读全文

摘要：#IDTitleSolved byDifficulty1100The 3n + 1 problem2648512102Ecological Bin Packing106082310071Back to High School Physics95543410055Hashmat the Brave Warrior943235272TEX Quotes819236458The Decoder72894... 阅读全文

摘要：Time limit: 3.000 seconds限时：3.000秒Problem问题You have been employed by the organisers of a Super Krypton Factor Contest in which contestants have very high mental and physical abilities. In one section ... 阅读全文

摘要：Problem问题A typical windowing system on a computer will provide a number of icons on the screen as well as some defined regions. When the mouse button is clicked, the system has to determine where the ... 阅读全文

摘要：Time limit: 3.000 seconds限时：3.000秒Problem问题It is often fun to see if rearranging the letters of a name gives an amusing anagram. For example, the letters of 'WILLIAM SHAKESPEARE' rearrange to form 'SP... 阅读全文

摘要：Time limit: 3.000 seconds限时：3.000秒Problem问题An Orchardist has planted an orchard in a rectangle with trees uniformly spaced in both directions. Thus the trees form a rectangular grid and we can conside... 阅读全文

摘要：Time limit: 3.000 seconds限时：3.000秒Problem问题In engineering sciences, partial differential equations play an important and central role. For example, the temperature of a metal plate can be expressed as... 阅读全文

摘要：Problem问题Loglan is a synthetic speakable language designed to test some of the fundamental problems of linguistics, such as the Sapir Whorf hypothesis. It is syntactically unambiguous, culturally neut... 阅读全文

摘要：Problem问题A large company wishes to monitor the cost of phone calls made by its personnel. To achieve this the PABX logs, for each call, the number called (a string of up to 15 digits) and the duration... 阅读全文

摘要：Time limit: 3.000 seconds限时3.000秒Background and Problem背景与问题In 45 BC a standard calendar was adopted by Julius Caesar--each year would have 365 days, and every fourth year have an extra day--the 29th ... 阅读全文

摘要：Problem问题Consider a grid such as the one shown. We wish to mark k intersections in each of n rows and n columns in such a way that no 4 of the selected intersections form a rectangle with sides parall... 阅读全文