求助,C++编写程序,提示用户输入一个正整数,计算出该数字的位数并把找出每一位上的数字.

int main() { int x =0; std::cin>>x; std::vector vi; int remainder = abs(x); while (remainder>=10) { vi.push_back(remainder%10); remainder = remainder/10; } vi.push_back(remainder);