View Compilation Error

0_0_39909331_18058.cpp: In function 'int main()':
0_0_39909331_18058.cpp:4:56: error: 'std::ranges' has not been declared
    4 |     char a, b, c; while (std::cin >> a >> b >> c) std::ranges::sort(&a, &c + 1), std::cout << a << " " << b << " " << c << "\n"; return 0;
      |                                                        ^~~~~~