mirror of
https://github.com/youngyangyang04/leetcode-master.git
synced 2025-07-09 03:34:02 +08:00
@ -136,6 +136,29 @@ class Solution {
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return dp[nums.length - 1];
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return dp[nums.length - 1];
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}
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}
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}
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}
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// 空间优化 dp数组只存与计算相关的两次数据
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class Solution {
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public int rob(int[] nums) {
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if (nums.length == 1) {
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return nums[0];
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}
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// 初始化dp数组
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// 优化空间 dp数组只用2格空间 只记录与当前计算相关的前两个结果
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int[] dp = new int[2];
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dp[0] = nums[0];
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dp[1] = nums[0] > nums[1] ? nums[0] : nums[1];
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int res = 0;
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// 遍历
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for (int i = 2; i < nums.length; i++) {
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res = (dp[0] + nums[i]) > dp[1] ? (dp[0] + nums[i]) : dp[1];
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dp[0] = dp[1];
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dp[1] = res;
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}
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// 输出结果
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return dp[1];
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}
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}
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```
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```
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Python:
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Python:
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@ -230,3 +253,4 @@ function rob(nums: number[]): number {
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<a href="https://programmercarl.com/other/kstar.html" target="_blank">
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<a href="https://programmercarl.com/other/kstar.html" target="_blank">
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<img src="../pics/网站星球宣传海报.jpg" width="1000"/>
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<img src="../pics/网站星球宣传海报.jpg" width="1000"/>
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</a>
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</a>
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