Bell Time Limit:3000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64u Submit Status Practice HDU 4767 Description What? MMM is learning Combinatorics!? Looks like she is playing with the bell sequence now: bell[n] = number of ways to pa…
题目链接: D. Symmetric and Transitive time limit per test 1.5 seconds memory limit per test 256 megabytes input standard input output standard output Little Johnny has recently learned about set theory. Now he is studying binary relations. You've probabl…
题目链接 请猛戳~ Description Given a n × n matrix A and a positive integer k, find the sum S = A + A2 + A3 + … + Ak. Input The input contains exactly one test case. The first line of input contains three positive integers n (n ≤ 30), k (k ≤ 109) and m (m <…
Count Color Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 53312 Accepted: 16050 Description Chosen Problem Solving and Program design as an optional course, you are required to solve all kinds of problems. Here, we get a new problem.…
public class B { public static B t1 = new B(); public static B t2 = new B(); { System.out.println("构造块"); } static { System.out.println("静态块"); } public static void main(String[] args) { B t = new B(); } } 输出为:构造块 构造块 静态块 构造块 链接:https:…
You have k lists of sorted integers. Find the smallest range that includes at least one number from each of the k lists. For example, List 1: [4, 10, 15, 24, 26] List 2: [0, 9, 12, 20] List 3: [5, 18, 22, 30] The smallest range here would be [20, 24]…
C. Painting Fence time limit per test 1 second memory limit per test 512 megabytes input standard input output standard output Bizon the Champion isn't just attentive, he also is very hardworking. Bizon the Champion decided to paint his old fence his…
Humble Numbers Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 32718 Accepted Submission(s): 14308 Problem Description A number whose only prime factors are 2,3,5 or 7 is called a humble num…