题目例如以下: Problem I 23 Out of 5 Input: standard input Output: standardoutput Time Limit: 1 second Memory Limit: 32 MB Your task is to writea program that can decide whether you can find an arithmetic expression consistingof five given numbers (1<=i<=5…
五个数三个运算符号,排列之后凑成结果为23,不考虑优先级. 很水,数据量也不大,先生成五个数的全排列,用dfs找出结果能否为23即可. 代码: #include <cstdio> #include <algorithm> using namespace std; #define RES 23 const int maxn = 5; int num[maxn]; bool flag; bool input(void) { for (int i = 0; i < maxn; i+…
Your task is to write a program that can decide whether you can nd an arithmetic expression consisting of ve given numbers ai (1 i 5) that will yield the value 23. For this problem we will only consider arithmetic expressions of the following from: (…
题目来源:https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=3&page=show_problem&problem=39 Stacking Boxes Background Some concepts in Mathematics and Computer Science are simple in one or two dimensions but become…
The Tower of Babylon Time Limit:3000MS Memory Limit:0KB 64bit IO Format:%lld & %llu Submit Status Practice UVA 437 Appoint description: System Crawler (2015-08-29) Description Perhaps you have heard of the legend of the Tower of Babylon.…
Cancer or Scorpio Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=3098 Description Alice and Michael is a young couple who are planning on having their…
:W Problem A: Football (aka Soccer) The Problem Football the most popular sport in the world (americans insist to call it "Soccer",but we will call it "Football"). As everyone knows, Brasil is the country that have mostWorld Cup title…
1378 - A Funny Stone Game Time limit: 3.000 seconds The funny stone game is coming. There are n piles of stones, numbered with 0, 1, 2,..., n - 1. Two persons pick stones in turn. In every turn, each person selects three piles of stones numbered i, j…
10067 - Playing with Wheels 题目页:https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=1008 从一开始思路就不对,之后才焕然大悟……每次都是这样. 还有,感觉搜索和图遍历有点分不清呢. 在第63行加入 if (u == target) return; 可以提速很多,可以从300ms左右降低到100ms以内. ?…
UVa OJ 455 Periodic Strings A character string is said to have period k if it can be formed by concatenating one or more repetitions of another string of length k. For example, the string "abcabcabcabc" has period 3, since it is formed by 4 repe…
出现场景:当点击"分类"再返回"首页"时,发生error退出 BUG描述:Caused by: java.lang.IllegalArgumentException: Binary XML file line #23: Duplicate id 0x7f0d0054, tag null, or parent id 0xffffffff with another fragment for com.example.sxq123.iljmall.FragmentCat…
