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题目链接:https://cn.vjudge.net/problem/UVA-136题意:如果一个数的因子只由2,3,5,组成,则这个数被称为丑数。按照惯例,1也被称为丑数。求第1500个丑数并·输出。这道题没有数据输入。思路:题意很简单,但一不小心就会超时。。。。。... 阅读全文
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George took sticks of the same length and cut them randomly until all parts became at most 50 unitslong. Now he wants to return sticks... 阅读全文
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n的阶乘后面有多少个0?6的阶乘 = 1*2*3*4*5*6 = 720,720后面有1个0。Input一个数N(1 int main(){ int n; scanf("%d",&n); long long int sum=0; if(n#in... 阅读全文
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Do you know what is called ``Coprime Sequence''? That is a sequence consists of nnpositive integers, and the GCD (Greatest Common Divi... 阅读全文
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AVL树平衡二叉树数据结构AVL树是最先发明的自平衡二叉查找算法,是平衡二叉树的一种。在AVL中任何节点的两个儿子子树的高度最大差别为1,所以它又被成为高度平衡树。查找、插入和删除在平均和最坏情况下都是O(log n)。增加和删除可能需要通过一次或多次树旋转来平衡这棵... 阅读全文
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Freddy Frog is sitting on a stone in the middle of a lake. Suddenly he notices Fiona Frog who is sitting on another stone. He plans to... 阅读全文
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Jesus, what a great movie! Thousands of people are rushing to the cinema. However, this is really a tuff time for Joe who sells the fi... 阅读全文
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给你一个m×n的整数矩阵,在上面找一个x×y的子矩阵,使子矩阵中所有元素的和最大。Input输入数据的第一行为一个正整数T,表示有T组测试数据。每一组测试数据的第一行为四个正整数m,n,x,y(0#include#includeusing namespace std;... 阅读全文