Identifiers Time Limit: 1000ms Memory limit: 65536K 有疑问?点这里^_^ 题目描写叙述 Identifier is an important concept in the C programming language. Identifiers provide names for several language elements, such as functions, variables, labels, etc. An identif…
Sequence Time Limit: 1000ms Memory limit: 65536K 有疑问?点这里^_^ 题目描述 Given an integer number sequence A of length N (1<=N<=1000), we define f(i,j)=(A[i]+A[i+1]+...+A[j])^2 (i<=j). Now you can split the sequence into exactly M (1<=M<= N) succ…
Pick apples Time Limit: 1000MS Memory limit: 165536K 题目描述 Once ago, there is a mystery yard which only produces three kinds of apples. The number of each kind is infinite. A girl carrying a big bag comes into the yard. She is so surprised because she…
Pick apples Time Limit: 1000MS Memory limit: 165536K 题目描写叙述 Once ago, there is a mystery yard which only produces three kinds of apples. The number of each kind is infinite. A girl carrying a big bag comes into the yard. She is so surprised because s…
这个题困扰了我长达1年多,终于在今天下午用两个小时理清楚啦 要注意的有以下几点: 1.a=b=c=0时 因为x有无穷种答案,所以不对 2.注意精度问题 3.b^2-4ac<0时也算对 Problem Description With given integers a,b,c, you are asked to judge whether the following statement is true: "For any x, if a⋅+b⋅x+c=0, then x is an inte…
