"A daily practice, happy water problem" 1374. Generate a string with an odd number of each character

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Like the original title:

1374. Generate an odd number of each characterString

*Topic description:

Given an integer n, please return a string of n characters, where each character occurs exactly an odd number of times in the string.

The returned string must contain only lowercase English letters.If there are multiple strings that meet the requirements of the question, just return any one of them.

*Solution ideas:

1. Simulate according to the meaning of the question;
When
2. n is an even number, you can get n-1a and 1b;
3. When n is an odd number, n can be a;
4. over;

*C++ code:

class Solution {public:string generateTheString(int n) {string str;if(n % 2 == 0){///for(int i = 0; i <n -1; i++){str += 'a';}str += 'b';}else{///< odd numberfor(int i = 0; i <n; i++){str += 'a';}}return str;}};

Result display: