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796. 表面积题面统计数据1 个讨论单点时限:1.0 sec内存限制:512 MB在n个圆柱体中挑选m个，按照半径从大到小圆心对齐叠在一起放在地面上（最大的一个在最下面），计算可能的最大可视表面积。输入格式第1行：整数n(1≤n≤1000)和m(1≤m≤n)，一个空格分隔。第2,…,n+1行：每个圆柱体的半径Rcm与高度Hcm(1≤R,H≤106)，一个空格分隔。输出格式一行中输出x。表示可能的最大表面积为x乘以圆周率的cm2。...

题目描述Now given two integers x and y, you can reverse every consecutive three bits in arbitrary number’s binary form (any leading zero can be taken into account) using one coin. Reversing (1,2,3) mean...

题目描述There is an array of length n, containing only positive numbers.Now you can add all numbers by 1 many times. Please find out the minimum times you need to perform to obtain an array whose great...

题目描述The Tower shows atall tower perched on the top of a rocky mountain. Lightning strikes, setting the building alight， and two people leap frnm the windows, head first and arms outstretched.It is...

题目描述Little Sub loves triangles. Now he has a problem for you.Given n points on the two-dimensional plane, you have to answer many queries. Each query require you to calculate the number of triangle...

题目描述Little Sub has learned a new word ’Triple’, which usually means a group with three elements in it.Now he comes up with an interesting problem for you.Define Given an positive integer sequence...

题目描述Little Sub likes Math. Now he has a simple counting problem for you.Given an positive integer sequence A, for each Ai , Please calculate how many elements Aj in the sequence satisfi ed 输入...

题目传送门#include<iostream>#include<cmath>using namespace std;long long a[110000];long long s(long long m){ return m*(m+1)/2;}int main(){ int n,k; cin>>n>&gt...