摘要：It is vitally important to have all the cities connected by highways in a war. If a city is occupied by the enemy, all the highways from/toward that c 阅读全文

摘要：题目描述 If a machine can save only 3 significant digits, the float numbers 12300 and 12358.9 are considered equal since they are both saved as 0.123*105 阅读全文

摘要：题目描述 Given any positive integer N, you are supposed to find all of its prime factors, and write them in the format N = p1^k1 * p2^k2 *...*pm^km. 输入描述: 阅读全文

摘要：题目描述 Mice and Rice is the name of a programming contest in which each programmer must write a piece of code to control the movements of a mouse in a g 阅读全文

摘要：题目描述 A supply chain is a network of retailers（零售商）, distributors（经销商）, and suppliers（供应商）-- everyone involved in moving a product from supplier to cus 阅读全文