Gifur的二亩三分地

摘要： Just the FactsThe expressionN!, read as ``Nfactorial," denotes the product of the firstNpositive integers, whereNis nonnegative. So, for example,NN!01... 阅读全文

摘要： Multiplying by RotationWarning: Not all numbers in this problem are decimal numbers!Multiplication of natural numbers in general is a cumbersome opera... 阅读全文

摘要： Light, more lightThe ProblemThere is man named "mabu" for switching on-off light in our University. He switches on-off the lights in a corridor. Every... 阅读全文

摘要： Simple calculationsThe ProblemThere is a sequence of n+2 elements a0, a1,…, an+1(n #includeint main(){ int T, n, i; double first, final, sum, te... 阅读全文

摘要： Big ChocolateMohammad has recently visited Switzerland. As he loves his friends very much, he decided to buy some chocolate for them, but as this fine... 阅读全文

摘要： Problem B: Factstone BenchmarkAmtel has announced that it will release a 128-bit computer chip by 2010, a 256-bit computer by 2020, and so on, continu... 阅读全文

摘要： Problem J(2/3/4)-D Sqr/Rects/Cubes/Boxes?Input: standard inputOutput: standard outputTime Limit: 2 secondsYou can see a (4x4) grid below. Can you tell... 阅读全文

摘要： Problem BQuotient PolynomialTime Limit2 SecondsA polynomial of degree n can be expressed asIf k is any integer then we can write:Here q(x) is called t... 阅读全文

摘要： Searching for Nessy The Loch Ness Monsteris a mysterious and unidentified animal said to inhabit Loch Ness, a large deep freshwater loch near the ci... 阅读全文

摘要： How Many Points of Intersection? We have two rows. There are a dots on the top row and b dots on the bottom row. We draw line segments connecting eve... 阅读全文

摘要： Problem HThe Land of JusticeInput: standard input Output: standard output Time Limit: 4 secondsIn the Land of Justice the selling price of everything ... 阅读全文

摘要： Steps One steps through integer points of the straight line. The length of a step must be nonnegative and can be by one bigger than, equal to, orby o... 阅读全文

摘要： The Snail A snail is at the bottom of a 6-foot well and wants to climb to the top. The snail can climb 3 feet while the sun is up, but slides down 1 f... 阅读全文

摘要： Box of BricksLittle Bob likes playing with his box of bricks. He puts the bricks one upon another and builds stacks of different height. ``Look, I've ... 阅读全文

摘要： Secret ResearchAt a certain laboratory results of secret research are thoroughly encrypted. A result of a single experiment is stored as an informatio... 阅读全文