剑指offer day 3

╰+哭是因爲堅強的太久メ 2022-09-16 13:27 90阅读 0赞

1、[剑指 Offer 05. 替换空格][Offer 05.]

var replaceSpace = function(s) {
        let newS = s.split(' ');
        return newS.join('%20')
    };

![watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAa3J5c2xpYW5n_size_20_color_FFFFFF_t_70_g_se_x_16][]

2、[剑指 Offer 58 - II. 左旋转字符串][Offer 58 - II.]

var reverseLeftWords = function(s, n) {
        let s1 = s.slice(0,n);
        let s2 = s.slice(n,n.length);
        return s2+s1;
    };

![watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAa3J5c2xpYW5n_size_20_color_FFFFFF_t_70_g_se_x_16 1][]

3、[66. 加一][66.]

var plusOne = function(digits) {
    
        let ds = BigInt(digits.join(''));
    
        ds = ds + 1n;
    
        return (ds+'').split('');
    
    };
    
     
    
    //还可以写成下面这样
    var plusOne = function(digits) {
    
    
        return ( (BigInt(digits.join('')) + 1n )+'').split('');
    
    };

![watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAa3J5c2xpYW5n_size_20_color_FFFFFF_t_70_g_se_x_16 2][]

4、[453. 最小操作次数使数组元素相等][453.]

var minMoves = function(nums) {
        let min = Math.min(...nums);//求数组中的最小值
        let count = 0;
        for(let item of nums){
            count += (item - min);
        }
        return count;
    };

![watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAa3J5c2xpYW5n_size_18_color_FFFFFF_t_70_g_se_x_16][]

[Offer 05.]: https://leetcode-cn.com/problems/ti-huan-kong-ge-lcof/
[watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAa3J5c2xpYW5n_size_20_color_FFFFFF_t_70_g_se_x_16]: /images/20220828/f4b0ef3080564a72b5f18ef106933f0c.png
[Offer 58 - II.]: https://leetcode-cn.com/problems/zuo-xuan-zhuan-zi-fu-chuan-lcof/
[watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAa3J5c2xpYW5n_size_20_color_FFFFFF_t_70_g_se_x_16 1]: /images/20220828/2b1252d0373c492cadee40e47b6da1a6.png
[66.]: https://leetcode-cn.com/problems/plus-one/
[watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAa3J5c2xpYW5n_size_20_color_FFFFFF_t_70_g_se_x_16 2]: /images/20220828/fec97b1627434b61aecfa96375f04660.png
[453.]: https://leetcode-cn.com/problems/minimum-moves-to-equal-array-elements/
[watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAa3J5c2xpYW5n_size_18_color_FFFFFF_t_70_g_se_x_16]: /images/20220828/ec4ff43baf7b4bee930f29abcc7bf323.png