Problem Description Little Q's clock is alarming! It's time to get up now! However, after reading the time on the clock, Little Q lies down and starts sleeping again. Well, he has 5 alarms, and it's just the first one, he can continue sleeping for a…
快速幂百度百科:快速幂就是快速算底数的n次幂.其时间复杂度为 O(log₂N), 与朴素的O(N)相比效率有了极大的提高. HDU - 1061 代码实现如下: import java.util.Scanner; public class Main { public static void main(String []args) { Scanner cin = new Scanner(System.in); int T = cin.nextInt(); for(int i = 0; i < T;…
First One Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 672 Accepted Submission(s): 193 Problem Description soda has an integer array a1,a2,-,an. Let S(i,j) be the sum of ai,ai+1,-,aj. N…