DP? Time Limit: 10000/3000 MS (Java/Others) Memory Limit: 128000/128000 K (Java/Others)Total Submission(s): 1804 Accepted Submission(s): 595 Problem Description Figure 1 shows the Yang Hui Triangle. We number the row from top to bottom 0,1,2,…a…
DP? Problem Description Figure 1 shows the Yang Hui Triangle. We number the row from top to bottom 0,1,2,…and the column from left to right 0,1,2,….If using C(n,k) represents the number of row n, column k. The Yang Hui Triangle has a regular pattern…
DP? Time Limit: 10000/3000 MS (Java/Others) Memory Limit: 128000/128000 K (Java/Others)Total Submission(s): 3126 Accepted Submission(s): 978 Problem Description Input Input to the problem will consists of series of up to 100000 data sets. For e…
题意:在杨辉三角中让你从最上面到 第 n 行,第 m 列所经过的元素之和最小,只能斜向下或者直向下走. 析:很容易知道,如果 m 在n的左半部分,那么就先从 (n, m)向左,再直着向上,如果是在右半部分,那么就是先向左斜着走再向上.这样对应到, 然后化简得到的答案就是C(n+1, m) + n - m,和C(n+1, m+1) + m.然后用Lucsa 定理就好. 代码如下: #pragma comment(linker, "/STACK:1024000000,1024000000"…
Man Down Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2030 Accepted Submission(s): 743 Problem Description The Game “Man Down 100 floors” is an famous and interesting game.You can enjoy t…
B - Monkey and Banana Time Limit:1000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64u Submit Status Practice HDU 1069 Appoint description: Description A group of researchers are designing an experiment to test the IQ of a monkey. They wi…
G - FatMouse's Speed Time Limit:1000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64u Submit Status Practice HDU 1160 Appoint description: Description FatMouse believes that the fatter a mouse is, the faster it runs. To disprove this, you…
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=4826 思路:dp[x][y][d]表示从方向到达点(x,y)所能得到的最大值,然后就是记忆化了. #include <iostream> #include <cstdio> #include <cstring> #include <algorithm> #define REP(i, a, b) for (int i = (a); i < (b); ++i)…
