题目 Given a collection of number segments, you are supposed to recover the smallest number from them. For example, given {32, 321, 3214, 0229, 87}, we can recover many numbers such like 32-321-3214-0229-87 or 0229-32-87-321-3214 with respect to difere…

1038. Recover the Smallest Number (30) 时间限制 400 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue Given a collection of number segments, you are supposed to recover the smallest number from them. For example, given {32, 321, 3214, 0229, 87},…

1038 Recover the Smallest Number (30 分)   Given a collection of number segments, you are supposed to recover the smallest number from them. For example, given { 32, 321, 3214, 0229, 87 }, we can recover many numbers such like 32-321-3214-0229-87 or 0…

题目链接:http://www.patest.cn/contests/pat-a-practise/1038 题目: 1038. Recover the Smallest Number (30) 时间限制 400 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue Given a collection of number segments, you are supposed to recover the smallest numb…

1038 Recover the Smallest Number (30 分) Given a collection of number segments, you are supposed to recover the smallest number from them. For example, given { 32, 321, 3214, 0229, 87 }, we can recover many numbers such like 32-321-3214-0229-87 or 022…

题目 Given a collection of number segments, you are supposed to recover the smallest number from them. For example, given { 32, 321, 3214, 0229, 87 }, we can recover many numbers such like 32-321-3214-0229-87 or 0229-32-87-321-3214 with respect to diff…

题目例如以下: Given a collection of number segments, you are supposed to recover the smallest number from them. For example, given {32, 321, 3214, 0229, 87}, we can recover many numbers such like 32-321-3214-0229-87 or 0229-32-87-321-3214 with respect to d…

https://pintia.cn/problem-sets/994805342720868352/problems/994805449625288704 Given a collection of number segments, you are supposed to recover the smallest number from them. For example, given { 32, 321, 3214, 0229, 87 }, we can recover many number…

Given a collection of number segments, you are supposed to recover the smallest number from them. For example, given {32, 321, 3214, 0229, 87}, we can recover many numbers such like 32-321-3214-0229-87 or 0229-32-87-321-3214 with respect to different…

Given a collection of number segments, you are supposed to recover the smallest number from them. For example, given { 32, 321, 3214, 0229, 87 }, we can recover many numbers such like 32-321-3214-0229-87 or 0229-32-87-321-3214 with respect to differe…

注意前导零的消去. #include <iostream> #include <string> #include <sstream> #include <algorithm> using namespace std; +]; int n; bool cmp(const string &a, const string &b) { return a+b<b+a; } int main() { cin>>n; ;i<=n;i…

博主欢迎转载,但请给出本文链接,我尊重你,你尊重我,谢谢~http://www.cnblogs.com/chenxiwenruo/p/6789138.html特别不喜欢那些随便转载别人的原创文章又不给出链接的所以不准偷偷复制博主的博客噢~~ 题意:给出n个数,求拼接后值最小的数是多少. 一开始就简单的把所有字符串先从小到大拍个序,然后拼接起来去掉前导零,结果发现有个问题,比如下面两个32 32321如果按常规字符串比较,32是在32321前面.然而,32321-32才是较小的方案如何有个好的比较…

题意: 输入一个正整数N(<=10000),接下来输入N个字符串,每个字符串包括至多8个字符,均为数字0~9.输出由这些字符串连接而成的最小数字(不输出前导零). trick: 数据点0只包含没有0的串. 数据点2,5,6包含最小串全部为0且次小串含有前导零的数据. 如果所有的数字均为0,输出一个0即可. AAAAAccepted code: #define HAVE_STRUCT_TIMESPEC #include<bits/stdc++.h> using namespace std;…

1038. Recover the Smallest Number (30) 时间限制 400 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue Given a collection of number segments, you are supposed to recover the smallest number from them. For example, given {32, 321, 3214, 0229, 87},…

1038 Recover the Smallest Number (30 分) Given a collection of number segments, you are supposed to recover the smallest number from them. For example, given { 32, 321, 3214, 0229, 87 }, we can recover many numbers such like 32-321-3214-0229-87 or 022…

1038 Recover the Smallest Number (30 分) Given a collection of number segments, you are supposed to recover the smallest number from them. For example, given { 32, 321, 3214, 0229, 87 }, we can recover many numbers such like 32-321-3214-0229-87 or 022…

Given a collection of number segments, you are supposed to recover the smallest number from them. For example, given { 32, 321, 3214, 0229, 87 }, we can recover many numbers such like 32-321-3214-0229-87 or 0229-32-87-321-3214 with respect to differe…

题目描述 输入一个正整数数组,把数组里所有数字拼接起来排成一个数,打印能拼接出的所有数字中最小的一个.例如输入数组{3,32,321},则打印出这三个数字能排成的最小数字为321323.   Given a collection of number segments, you are supposed to recover the smallest number from them. For example, given {32, 321, 3214, 0229, 87}, we can rec…

Given a collection of number segments, you are supposed to recover the smallest number from them. For example, given { 32, 321, 3214, 0229, 87 }, we can recover many numbers such like 32-321-3214-0229-87 or 0229-32-87-321-3214 with respect to differe…

#include <iostream> #include <cstdlib> #include <vector> #include <algorithm> using namespace std; bool mycmp(const string& a, const string& b) { string ta = a + b; string tb = b + a; int len = ta.length(); ; i<len; i++)…

一.技术总结 此问题是贪心类问题,给出可能有前导零的数字串,将他们按照某个顺序拼接,使生成的数最小. 解决方案,就是使用cmp函数,因为两两字符串进行拼接,进行排序从小到大. 拼接过后会有0可能出现在最前面,需要借助s.erase(s.begin())进行去除字符串前面的'0'字符,如果是字符串长度不为0,然后第一个字符为'0',去除,最后进行判断去除后是否为空,如果是则直接输出0,如果不是那么输出拼接后的字符串. 从这题可以得知,字符串拼接后也可以直接进行比较大小.拼接直接使用+号 去除字符串…

题目 Given any permutation of the numbers {0, 1, 2,-, N-1}, it is easy to sort them in increasing order. But what if Swap(0, *) is the ONLY operation that is allowed to use? For example, to sort {4, 0, 2, 1, 3} we may apply the swap operations in the f…

Source: PAT A1038 Recover the Smallest Number (30 分) Description: Given a collection of number segments, you are supposed to recover the smallest number from them. For example, given { 32, 321, 3214, 0229, 87 }, we can recover many numbers such like…

Given a collection of number segments, you are supposed to recover the smallest number from them. For example, given {32, 321, 3214, 0229, 87}, we can recover many numbers such like 32-321-3214-0229-87 or 0229-32-87-321-3214 with respect to different…

题目 One way that the police finds the head of a gang is to check people's phone calls. If there is a phone call between A and B, we say that A and B is related. The weight of a relation is defined to be the total time length of all the phone calls mad…

题目 Suppose that all the keys in a binary tree are distinct positive integers. A unique binary tree can be determined by a given pair of postorder and inorder traversal sequences. And it is a simple standard routine to print the numbers in level-order…

题目 A Binary Search Tree (BST) is recursively defined as a binary tree which has the following properties: The lef subtree of a node contains only nodes with keys less than the node's key. The right subtree of a node contains only nodes with keys grea…

题目 Given a non-empty tree with root R, and with weight Wi assigned to each tree node Ti. The weight of a path from R to L is defined to be the sum of the weights of all the nodes along the path from R to any leaf node L. Now given any weighted tree,…

//意识到一个重要错误,一直以为atoi,itoa是windows独有的,linux下不可用,直到刚刚... //string+=比strcat好用多了,字符比较也方便的多,但是用scanf读入string,好麻烦...cin读入老是出错不晓得为什么,cin对于空格和换行符的处理还不是很清楚,c++没有系统学习,半c半++中....,刷完一定找机会吧c++系统一下 //突然想起来第一次刷时,居然一个一个字符的比较.....哭晕 //该方法来自晴神宝典 #include<cstdio>#incl…

利用广度优先搜索,找出每层的叶子节点的个数. #include <iostream> #include <vector> #include <queue> #include <fstream> using namespace std; vector<vector<int>> tree; vector<int> ans; void BFS(int s) { queue<pair<int, int>>…