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什么是动态规划,什么是背包问题
2022-07-31 22:39:00 【fK0pS】
什么是动态规划,什么是背包问题
动态规划(英语:Dynamic programming,简称DP)是一种在数学、管理科学、计算机科学、经济学和生物信息学中使用的,通过把原问题分解为相对简单的子问题的方式求解复杂问题的方法。
它比起贪心策略,会分别算出取1、5、11的代价,从而做出一个正确决策,这样就避免掉了“鼠目寸光”!
1.3万的点赞量,讲解的非常详细:
什么是动态规划(Dynamic Programming)?动态规划的意义是什么? - 知乎
dp动态规划问题,有个重要的特点,
1、就是:“未来与过去无关”,这就是无后效性。
2、最优子结构;
DP算法的核心是,根据题目,尽可能地缩小解空间:
DP的核心思想:尽量缩小可能解空间
背包问题:
动态规划的典型例题;
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