1 认识复杂度、对数器、二分法与异或运算 · 算法-不只leetCode

![](https://img.kancloud.cn/d7/52/d752fe2536b68d6ebfb860a868a31c4d_1029x523.png) ![](https://img.kancloud.cn/51/eb/51eb774f3a45beaa74416f0a11a0a2dd_1055x690.png) ![](https://img.kancloud.cn/93/58/93587f0f89cd5a43ede0cd12a7024ab1_1165x528.png) ![](https://img.kancloud.cn/4d/c5/4dc5b2aadb010b534af7c4c87ef8f498_841x489.png) ![](https://img.kancloud.cn/b5/dc/b5dc2049a45e64d48351a75614e7023f_1207x406.png) ![](https://img.kancloud.cn/36/2c/362ce21bf455fc86e914aa080a30a9db_785x495.png) ![](https://img.kancloud.cn/f0/1a/f01affd67cd169bdb7d3b1c32c60623d_1212x497.png) ![](https://img.kancloud.cn/27/e3/27e36958736490bdca1d8dbc15c7dbb4_976x484.png) ![](https://img.kancloud.cn/bf/aa/bfaa89783b6daf434aa8fa18d53eec80_981x708.png) ![](https://img.kancloud.cn/ba/52/ba52e89d6d3048a29c9f8823ecb90840_983x682.png) ![](https://img.kancloud.cn/78/3c/783ce41009ae4f7ab3dd722b2fbf7810_662x382.png) ![](https://img.kancloud.cn/85/1e/851ea247edb2f4ca375791a683ad0608_887x390.png) ![](https://img.kancloud.cn/1f/93/1f93bee79eabc9f56240ab3e816d9c4c_1314x722.png) * [ ] **同一个位子上，偶数个1为0，奇数个1为1，和顺序没有关系。交换也没有关系。** ![](https://img.kancloud.cn/2f/77/2f774b39de527f3125c8f47acdf833fb_617x319.png) ![](https://img.kancloud.cn/f7/a0/f7a0efa436c3e5940aa838217a42ac78_1210x830.png) 、、 ![](https://img.kancloud.cn/da/6b/da6b25d200223faebee720abf82c36dd_1370x853.png) **保证两个数指向不同空间** ![](https://img.kancloud.cn/e5/c5/e5c527c75e9c1ffde6183a1f0f3bf41c_829x196.png) ![](https://img.kancloud.cn/5c/5a/5c5a2bb208c2353d99e3852882361989_1147x336.png) ![](https://img.kancloud.cn/57/d8/57d8cfba540cc6dba293db9660f3c8e9_1224x689.png) ![](https://img.kancloud.cn/7a/36/7a367981326f64aea750a28d399105bb_1222x662.png) ![](https://img.kancloud.cn/ee/cd/eecd20d634bf24ec9858afd82b9e5de8_762x236.png) ![](https://img.kancloud.cn/3c/24/3c2446b9d5e35b05b5c3f0d04b8994fb_863x277.png) ![](https://img.kancloud.cn/d7/48/d748fc27b7a8f4159d94eeb2ec472e47_1346x780.png) N& ( (~N) +1 ) ![](https://img.kancloud.cn/a5/fa/a5fa967b1a363e62625ef200a8aae85c_1321x786.png) ![](https://img.kancloud.cn/fa/db/fadb26ce3d849fc751a8faaa615428eb_1105x320.png) ![](https://img.kancloud.cn/41/46/4146a213458a66cd1c77897620d930fa_904x532.png) ![](https://img.kancloud.cn/52/47/52479032ab34ca6671cd70ff41a2c56e_767x558.png)