po_csdn的专栏

这两道题就不给出题目，两道题s

  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, or by one smaller than the le

  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 every dot on the top row

 The Cat in the Hat Background(An homage to Theodore Seuss Geisel)The Cat in the Hat is a nasty creature,But the striped hat he is wearing has a rather nifty feature.

题目链接：http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=100&page=show_problem&problem=1333题目意思为，输入一个大数（个+long long）

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 chocolate is very expensive(You know Mohammad i

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, continuing its strategy of doubling the word-size every

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 bulb has its own toggle switch. That

Simple calculations The ProblemThere is a sequence of n+2 elements a0, a1,…, an+1 (n The InputThe first line is the number of test cases, followed by a blank line.For each test case,