Xiao Ming's Hope Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1668    Accepted Submission(s): 1109 Problem Description Xiao Ming likes counting numbers very much, especially he is fond of cou…

Xiao Ming's Hope Time Limit:1000MS     Memory Limit:32768KB  Description Xiao Ming likes counting numbers very much, especially he is fond of counting odd numbers. Maybe he thinks it is the best way to show he is alone without a girl friend. The day…

Xiao Ming climbing Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=629&pid=1002 Description 小明因为受到大魔王的诅咒,被困到了一座荒无人烟的山上并无法脱离.这座山很奇怪: 这座山的底面是矩形的,而且矩形的每一小块都有一个特定的坐标(x,y)(x,y)和一个高度HH. 为了逃离这座…

Problem Description   Due to the curse made by the devil,Xiao Ming is stranded on a mountain and can hardly escape. This mountain is pretty strange that its underside is a rectangle which size is n∗m and every little part has a special coordinate(x,y…

Xiao Ming's Hope Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Problem Description Xiao Ming likes counting numbers very much, especially he is fond of counting odd numbers. Maybe he thinks it is the best way to…

题目链接: http://acm.hdu.edu.cn/showproblem.php?pid=5433 Xiao Ming climbing Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1346    Accepted Submission(s): 384 Problem Description Due to the curse m…

Xiao Ming's Hope Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1786    Accepted Submission(s): 1182 Problem Description Xiao Ming likes counting numbers very much, especially he is fond of cou…

原题链接:http://acm.hdu.edu.cn/showproblem.php?pid=4349 Xiao Ming's Hope Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1723    Accepted Submission(s): 1144 Problem Description Xiao Ming likes coun…

Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 438    Accepted Submission(s): 108 Problem Description Due to the curse made by the devil,Xiao Ming is stranded on a mountain and can hardly esca…

题目传送门 题意:求C (n,0),C (n,1),C (n,2)...C (n,n)中奇数的个数 分析:Lucas 定理:A.B是非负整数,p是质数.AB写成p进制:A=a[n]a[n-1]...a[0],B=b[n]b[n-1]...b[0].则组合数C(A,B)与C(a[n],b[n])*C(a[n-1],b[n-1])*...*C(a[0],b[0])  mod p同.即:Lucas (n,m,p)=C (n%p,m%p) * Lucas (n/p,m/p,p)  我是打表找规律的,就是…