c ++ int []到string

#include <iostream>
#include <sstream>

int main() {
    int arr[] = {1, 2, 3, 4, 5};
    int size = sizeof(arr) / sizeof(arr[0]);

    std::stringstream ss;
    for (int i = 0; i < size; i++) {
        ss << arr[i];
    }

    std::string result = ss.str();
    std::cout << result << std::endl;

    return 0;
}

#include <iostream>
#include <string>

int main() {
    int arr[] = {1, 2, 3, 4, 5};
    int size = sizeof(arr) / sizeof(arr[0]);

    std::string result;
    for (int i = 0; i < size; i++) {
        result += std::to_string(arr[i]);
    }

    std::cout << result << std::endl;

    return 0;
}