c ++,读取文件,分段错误

#include<iostream>
#include <fstream>
#include<string>

int main() {
    std::ifstream file("example.txt");
    if (!file.is_open()) {
        std::cerr << "Error: Unable to open file."<< std::endl;
        return 1;
    }

    std::string content((std::istreambuf_iterator<char>(file)),
                         std::istreambuf_iterator<char>());

    file.close();

    std::cout << "File content: "<< content<< std::endl;

    return 0;
}