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输入一个非负整数数组,把数组里所有数字拼接起来排成一个数,打印能拼接出的所有数字中最小的一个。
示例 1:
输入: [10,2] 输出: "102"
示例 2:
输入: [3,30,34,5,9] 输出: "3033459"
提示:
说明:
排序就可以解决,关键是cmp()的重写。代码如下:
class Solution { public: bool static cmp(string a, string b) { return a+b < b+a; } string minNumber(vector<int>& nums) { vector<string> tmp; string res; for (auto n: nums) { tmp.push_back(to_string(n)); } sort(tmp.begin(), tmp.end(), cmp); for (auto s: tmp) { res += s; } return res; } };
The text was updated successfully, but these errors were encountered:
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输入一个非负整数数组,把数组里所有数字拼接起来排成一个数,打印能拼接出的所有数字中最小的一个。
示例 1:
示例 2:
提示:
说明:
排序就可以解决,关键是cmp()的重写。代码如下:
The text was updated successfully, but these errors were encountered: