Given a list of non negative integers, arrange them such that they form the largest number.

Example 1:


Input: [10,2]
Output: "210"

Example 2:


Input: [3,30,34,5,9]
Output: "9534330"


Note: The result may be very large, so you need to return a string instead of an integer.

```python

USER_FILENAME = "<user_code>"
import sys, json, builtins
import math, heapq, bisect, itertools, functools, collections, statistics, fractions, decimal, operator, array, random, re, string, os, pathlib
try:
    import resource as _res
except Exception:
    _res = None
from collections import Counter, defaultdict, deque, OrderedDict
from functools import lru_cache, reduce
from itertools import accumulate, permutations, combinations, product
from math import gcd, ceil, floor, sqrt
from decimal import Decimal
try:
    from typing import *
except Exception:
    pass
try:
    sys.setrecursionlimit(1_000_000)
except Exception:
    pass
try:
    import site as _site
    try:
        _sys_sites = _site.getsitepackages() if hasattr(_site, "getsitepackages") else []
        for _p in _sys_sites:
            if _p and _p not in sys.path:
                sys.path.append(_p)
    except Exception:
        pass
    try:
        _usp = _site.getusersitepackages()
        if isinstance(_usp, str):
            _usp = [_usp]
        for _p in _usp:
            if _p and _p not in sys.path:
                sys.path.append(_p)
    except Exception:
        pass
except Exception:
    pass

def _disabled_input(*args, **kwargs):
    raise RuntimeError("input() is disabled in callable mode")
builtins.input = _disabled_input

ns = {"__name__": "__judge__"}  # prevent if __name__ == "__main__" blocks
for _k, _v in list(globals().items()):
    if not _k.startswith("_"):
        ns[_k] = _v
_CODE = 'class Solution:\n     \n     def largestNumber(self, nums):\n         """\n         :type nums: List[int]\n         :rtype: str\n         """\n         import functools\n #         s_nums = []\n #         maximum_length = 0\n #         result = ""\n #         dic = {}\n #         for i in range(0, len(nums)):\n #             value = str(num[i])\n #             maximum_length = max(maximum_length, len(value))\n #             s_nums.append(value)\n #             dic[i] = True\n             \n #         for i in range(0, maximum_length-1): \n #             temp_max = ""\n #             temp_max_array = []\n #             for j in range(0, s_nums-1):\n #                 try:\n #                     a = s_nums[j][i]\n #                     try:\n #                         b = s_nums[j][i+1]\n #                     except:\n #                         if dic[j] != False:\n #                             temp_max_array.append(nums[j])\n #                             dic[j] = False\n #                         dic[j] += 1\n #                 except:\n #                     continue\n #             print(temp_max_array)\n #             result += \'\'.join(sorted(temp_max_array))\n             \n #         return result\n         nums_str = []\n         for each in nums:\n             nums_str.append(str(each))\n         \n         result = \'\'.join(sorted(nums_str, key = functools.cmp_to_key(self.comparator)))\n         \n         if int(result) == 0:\n             return \'0\'\n         else:\n             return result\n     \n     \n \n     def comparator(self, a, b):\n         \n         num1 = a + b\n         num2 = b + a\n         \n         if num1 > num2:\n             return -1\n         elif num2 > num1:\n             return 1\n         else:\n             return 0\n         \n'
_co = compile(_CODE, USER_FILENAME, "exec")
exec(_co, ns, ns)

_target = None
_fn_name = 'largestNumber'
if _fn_name:
    if "Solution" in ns:
        try:
            _obj = ns["Solution"]()
            if hasattr(_obj, _fn_name):
                _target = getattr(_obj, _fn_name)
        except Exception:
            _target = None
    if _target is None and _fn_name in ns and callable(ns[_fn_name]):
        _target = ns[_fn_name]
# Fallback: if there's exactly one user-defined function, use it
if _target is None:
    _cands = [v for k, v in ns.items() if callable(v) and getattr(v, "__module__", "") in ("__judge__", "__main__")]
    _user_funcs = [c for c in _cands if getattr(c, "__name__", "").startswith("_") is False]
    if len(_user_funcs) == 1:
        _target = _user_funcs[0]
if _target is None:
    raise RuntimeError(f"Could not resolve callable '{_fn_name}'")

_raw = sys.stdin.read().strip()
if _raw:
    _parsed = json.loads(_raw)
    if isinstance(_parsed, dict):
        _kwargs = _parsed.get("kwargs", {})
        _args = _parsed.get("args", [])
    else:
        _args, _kwargs = _parsed, {}
else:
    _args, _kwargs = [], {}
if not isinstance(_args, (list, tuple)):
    _args = [_args]
_res = _target(*_args, **_kwargs)
try:
    sys.stdout.write(repr(_res) + "\n")
except Exception:
    pass

```

Measured memory_bytes: 5829