John Doe has a crooked fence, consisting of n rectangular planks, lined up from the left to the right: the plank that goes i-th (1 ≤ i ≤ n)(from left to right) has width 1 and height hi. We will assume that the plank that goes i-th (1 ≤ i ≤ n) (from…
版权声明:本文为博主原创文章,未经博主同意不得转载. https://blog.csdn.net/y990041769/article/details/37935237 题目:codeforces 448CPainting Fence 题意:n个1* a [ i ] 的木板.把他们立起来,变成每一个木板宽为1长为 a [ i ] 的栅栏.如今要给栅栏刷漆.刷子宽1,每一刷子能够刷随意长,如今让你求最少须要多少刷子? 分析:题目看似没有头绪.细致分析的话事实上非常简单 首先,我们假如每次都刷一个木…
Fence Time Limit: 1000ms Memory Limit: 262144KB This problem will be judged on CodeForces. Original ID: 363B64-bit integer IO format: %I64d Java class name: (Any) There is a fence in front of Polycarpus's home. The fence consists of n planks of…
Fence Divercity 我们设a[ i ] 为第 i 个围栏被切的最靠下的位置, 我们发现a[ i ] 的最大取值有一下信息: 如果从i - 1过来并在 i 结束a[ i ] = min(h[ i - 1], h[ i ]) 如果从i - 1过来并延续到i + 1, a[ i ] = min(h[ i - 1 ], h[ i ], h[ i + 1 ]) 如果从 i 开始 i 结束 a[ i ] = h[ i ] 如果从 i 开始并延续到 i + 1, a[ i ] = min…
1.codeforces 349B Color the Fence 2.链接:http://codeforces.com/problemset/problem/349/B 3.总结: 刷栅栏.1-9每个字母分别要ai升油漆,问最多可画多大的数字. 贪心,也有点考思维. #include<bits/stdc++.h> using namespace std; #define LL long long #define INF 0x3f3f3f3f int main() { ]; while(…
A. Vanya and Fence 题目连接: http://www.codeforces.com/contest/677/problem/A Description Vanya and his friends are walking along the fence of height h and they do not want the guard to notice them. In order to achieve this the height of each of the frien…