人类史上最大最好的希望事件 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1198 Accepted Submission(s): 337 Problem Description 作为CNCS的半壁江山,狗哥常常在宇宙中心邵阳眺望黄浦江,夜晚的星空总是迷人,有时候还能见到彗星滑落. 狗哥是幸运的,他在两秒钟内看到了十七颗彗星划过天…
简单数学题 Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 580 Accepted Submission(s): 257 Problem Description 已知 F(n)=∑i=1n(i×∑j=inCij) 求 F(n) mod 1000000007 Input 多组输入,每组输入占一行,包含一个整数n(1 <= n <…
免费送气球 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 581 Accepted Submission(s): 130 Problem Description 又到了GDUT一年一度的程序设计竞赛校赛的时间啦.同学们只要参加校赛,并且每解出一道题目就可以免费获得由ACM协会和集训队送出的气球一个.听到这个消息,JMC也想参加免费…
超级无敌简单题 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 570 Accepted Submission(s): 274 Problem Description 通常来说,题面短的题目一般都比较难,所以我要把题面写得很长很长.通常来说,题面短的题目一般都比较难,所以我要把题面写得很长很长.通常来说,题面短的题目一般都比较难,所…
传送门:http://acm.hdu.edu.cn/showproblem.php?pid=6464 免费送气球 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 264 Accepted Submission(s): 53 Problem Description 又到了GDUT一年一度的程序设计竞赛校赛的时间啦.同学们只要参加校赛,…
// Eddy 继续 Problem Description As is known, Ackermann function plays an important role in the sphere of theoretical computer science. However, in the other hand, the dramatic fast increasing pace of the function caused the value of Ackermann function…
