如何截断字符串数组？C++

#include <iostream>
#include <string>
#include <vector>

std::vector<std::string> truncateStringArray(const std::vector<std::string>& strArray, int maxLength) {
    std::vector<std::string> truncatedArray;

    for (const std::string& str : strArray) {
        if (str.length() > maxLength) {
            truncatedArray.push_back(str.substr(0, maxLength));
        } else {
            truncatedArray.push_back(str);
        }
    }

    return truncatedArray;
}

int main() {
    std::vector<std::string> strArray = {"Hello", "World", "of", "Cloud", "Computing"};
    int maxLength = 4;

    std::vector<std::string> truncatedArray = truncateStringArray(strArray, maxLength);

    for (const std::string& str : truncatedArray) {
        std::cout << str << std::endl;
    }

    return 0;
}