从char*中的整数填充vector <int>

#include<iostream>
#include<vector>
#include <cstring>

std::vector<int> extractIntsFromChar(char* str) {
    std::vector<int> result;
    int num = 0;
    bool isNegative = false;

    for (int i = 0; str[i] != '\0'; ++i) {
        if (isdigit(str[i])) {
            num = num * 10 + (str[i] - '0');
        } else if (str[i] == '-') {
            isNegative = true;
        } else {
            if (isNegative) {
                num = -num;
            }
            result.push_back(num);
            num = 0;
            isNegative = false;
        }
    }

    if (isNegative) {
        num = -num;
    }
    result.push_back(num);

    return result;
}

int main() {
    char str[] = "10 20 -30 40 -50";
    std::vector<int> ints = extractIntsFromChar(str);

    for (int i = 0; i < ints.size(); ++i) {
        std::cout<< ints[i] << " ";
    }

    return 0;
}