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  • 【codeforces 794B】Cutting Carrot

    【题目链接】:http://codeforces.com/contest/794/problem/B

    【题意】

    给你一个等腰三角形;
    它的底边为1;
    高为h;
    要求你把这个等腰三角形分成n份面积相等的部分;
    而且是用平行于底面的横线分的;
    让你求出这n-1条横线的位置在哪里;

    【题解】

    数学;
    从上往下推;
    容易得到高的公式;

    【Number Of WA

    0

    【完整代码】

    #include <bits/stdc++.h>
    using namespace std;
    #define lson l,m,rt<<1
    #define rson m+1,r,rt<<1|1
    #define LL long long
    #define rep1(i,a,b) for (int i = a;i <= b;i++)
    #define rep2(i,a,b) for (int i = a;i >= b;i--)
    #define mp make_pair
    #define pb push_back
    #define fi first
    #define se second
    #define ms(x,y) memset(x,y,sizeof x)
    
    typedef pair<int,int> pii;
    typedef pair<LL,LL> pll;
    
    const int dx[9] = {0,1,-1,0,0,-1,-1,1,1};
    const int dy[9] = {0,0,0,-1,1,-1,1,-1,1};
    const double pi = acos(-1.0);
    const int N = 110;
    
    int n,h;
    double s;
    
    int main()
    {
        //freopen("F:\rush.txt","r",stdin);
        ios::sync_with_stdio(false),cin.tie(0);//scanf,puts,printf not use
        //init??????
        cin >> n >> h;
        s = 0.5*h;
        s/=2.0;
        double t = n;
        s/=t;
        rep1(i,1,n-1)
        {
            double is = i*s;
            cout <<fixed<<setprecision(11)<<2*sqrt(h*is)<<' ';
        }
        return 0;
    }
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  • 原文地址:https://www.cnblogs.com/AWCXV/p/7626320.html
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