题意: 给一个m*n的矩阵,每格上有一个数. 找从第1行到第m行的一条路径,使得这条路径上的数之和最小. 路径必须满足相邻两行所选的两个数的纵坐标相邻(即一个格子必须是另一个格子的周围八个格子中的一个) 输出每一行取的数的列值. 若有多个答案,则路径要求尽量靠右. 思路: 简单数塔DP.题比较不好读,不过可以分析样例. 代码: int T,m,n; int a[105][105], f[105][105]; int path[105]; int main(){ cin>>T; rep(t,1…
Seam Carving Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 956 Accepted Submission(s): 382 Problem Description Fish likes to take photo with his friends. Several days ago, he found that so…
Seam Carving DescriptionFish likes to take photo with his friends. Several days ago, he found that some pictures of him were damaged. The trouble is that there are some seams across the pictures. So he tried to repair these pictures. He scanned these…
DP水题 求从上到下走完,使所取得权值最小,并输出路径,若有多个满足,则输出靠右的 #include "stdio.h" #include "string.h" int inf=0x3f3f3f3f; struct node { int x,y; }dp[110][110]; int main() { int Case,ii,i,j,n,m,ans; int a[110][110]; scanf("%d",&Case); for (ii=…
Saving HDU Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 7194 Accepted Submission(s): 3345 Problem Description 话说上回讲到海东集团面临内外交困,公司的元老也只剩下XHD夫妇二人了.显然,作为多年拼搏的商人,XHD不会坐以待毙的. 一天,当他正在苦思冥想解困良策的…
http://acm.hdu.edu.cn/showproblem.php?pid=3037 Lucas定理模板. 现在才写,noip滚粗前兆QAQ #include<cstdio> #include<cstring> #include<algorithm> using namespace std; typedef long long ll; int jc[100003]; int p; int ipow(int x, int b) { ll t = 1, w = x;…
Special equations Time Limit:1000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64u Submit Status Practice HDU 4569 Description Let f(x) = a nx n +...+ a 1x +a 0, in which a i (0 <= i <= n) are all known integers. We call f(x) 0 (mod…
The kth great number Time Limit:1000MS Memory Limit:65768KB 64bit IO Format:%I64d & %I64u Submit Status Practice HDU 4006 Description Xiao Ming and Xiao Bao are playing a simple Numbers game. In a round Xiao Ming can choose to write down a nu…
How many integers can you find Time Limit:5000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64u Submit Status Practice HDU 1796 Description Now you get a number N, and a M-integers set, you should find out how many integers which are sm…
hdu5901题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=5901 code vs 3223题目链接:http://codevs.cn/problem/3223/ 思路:主要是用了一个Meisell-Lehmer算法模板,复杂度O(n^(2/3)).讲道理,我不是很懂(瞎说什么大实话....),下面输出请自己改 #include<bits/stdc++.h> using namespace std; typedef long long LL;…