哈夫曼树的应用-金条划分

/*
老板给员工发工资，分成n份，每切一刀收取所划分原长度的价格，用花费最少的方案
权重最优问题，哈夫曼树
*/
#也可以考虑小顶堆来求最小的两个数据

#include
void ArrSortInsert(int arr[], int n)
{
    int temp;
    for (int i = 1; i <= n - 1; i++)
    {
        temp = arr[i];
        int j = i - 1;
        
        while (j >= 0 && arr[j] > temp)
        {
            arr[j + 1] = arr[j];
            j--;
        }
        arr[j+1] = temp;
    }

}
int CostMin(int arr[], int n)
{
    int sum = 0, add;
    while (n > 1)
    {
        ArrSortInsert(arr, n);
        add = arr[0] + arr[1];
        sum += add;
        arr[0] = add;
        for (int i = 1; i < n - 1; i++)
            arr[i] = arr[i + 1];
        n--;
    }
    return sum;
}
int main()
{
    int arr[] = { 8,5,6,7,3,2,1 };
    int n = 7;
    printf("%d\n", CostMin(arr, n));
    getchar();
}

 

转载于:https://www.cnblogs.com/BetterThanEver_Victor/p/8610934.html