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     def largestNumber(self, nums):\n         """\n         :type nums: List[int]\n         :rtype: str\n         """\n         def cmp_to_key(mycmp):\n             \'Convert a cmp= function into a key= function\'\n             class K:\n                 def __init__(self, obj, *args):\n                     self.obj = obj\n                 def __lt__(self, other):\n                     return mycmp(self.obj, other.obj) < 0\n                 def __gt__(self, other):\n                     return mycmp(self.obj, other.obj) > 0\n                 def __eq__(self, other):\n                     return mycmp(self.obj, other.obj) == 0\n                 def __le__(self, other):\n                     return mycmp(self.obj, other.obj) <= 0\n                 def __ge__(self, other):\n                     return mycmp(self.obj, other.obj) >= 0\n                 def __ne__(self, other):\n                     return mycmp(self.obj, other.obj) != 0\n             return K\n         \n         def compare(n1, n2):\n             #print(n1, n2, ":")\n             l1 = len(n1)\n             l2 = len(n2)\n             i = 0\n             if l1 != l2:\n                 tmp = n1 \n                 n1 = n1 + n2\n                 n2 = n2 + tmp\n                 l1 = l1 + l2\n             #print(n1, n2)\n             while i < max(l1, l2):\n                 #print(i, n1[i], n2[i])\n                 if n1[i] < n2[i]:\n                     #print(n1, "<", n2)\n                     return -1\n                 elif n1[i] > n2[i]:\n                     #print(n1, ">", n2)\n                     return 1\n                 i += 1\n             #print(n1, "=", n2)\n             return 0\n             \n         \n         def convert(num):\n             if num == 0:\n                 return [0]\n             res = []\n             while num:\n                 res.append(num % 10)\n                 num //= 10\n             res.reverse()\n             return res\n         \n         nums = list(map(convert, nums))\n         nums.sort(key=cmp_to_key(compare), reverse=True)\n         print(nums)\n         res = [str(c) for num in nums for c in num]\n         \n         res =  "".join(res).lstrip(\'0\')\n         if not res:\n             res = \'0\'\n         return res'
_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: 11880