#include "altar.h"
#include<bits/stdc++.h>
using namespace std;
int a[5005];
int altar(int n)
{
	mt19937 rd(20240207);
    for(int i=0;i<n;i++) a[i]=i; int tp=n;
	while(1){
        random_shuffle(a,a+tp,rd); int t=tp; tp=0;
        for(int i=1;i<t;i++)
            if(!sense(a[0],a[i])) a[++tp]=0;
       	if(!tp)return a[0];
    }
}

answer.code: In function ‘int altar(int)’:
answer.code:10:23: warning: ‘void std::random_shuffle(_RAIter, _RAIter, _Generator&&) [with _RAIter = int*; _Generator = mersenne_twister_engine<long unsigned int, 32, 624, 397, 31, 2567483615, 11, 4294967295, 7, 2636928640, 15, 4022730752, 18, 1812433253>&]’ is deprecated: use 'std::shuffle' instead [-Wdeprecated-declarations]
   10 |         random_shuffle(a,a+tp,rd); int t=tp; tp=0;
      |         ~~~~~~~~~~~~~~^~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:61,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from answer.code:2:
/usr/include/c++/14/bits/stl_algo.h:4530:5: note: declared here
 4530 |     random_shuffle(_RandomAccessIterator __first, _RandomAccessIterator __last,
      |     ^~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algo.h: In instantiation of ‘void std::random_shuffle(_RAIter, _RAIter, _Generator&&) [with _RAIter = int*; _Generator = mersenne_twister_engine<long unsigned int, 32, 624, 397, 31, 2567483615, 11, 4294967295, 7, 2636928640, 15, 4022730752, 18, 1812433253>&]’:
answer.code:10:23:   required from here
   10 |         random_shuffle(a,a+tp,rd); int t=tp; tp=0;
      |         ~~~~~~~~~~~~~~^~~~~~~~~~~
/usr/include/c++/14/bits/stl_algo.h:4546:55: error: no match for call to ‘(std::mersenne_twister_engine<long unsigned int, 32, 624, 397, 31, 2567483615, 11, 4294967295, 7, 2636928640, 15, 4022730752, 18, 1812433253>) (long int)’
 4546 |           _RandomAccessIterator __j = __first + __rand((__i - __first) + 1);
      |                                                 ~~~~~~^~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/random:48,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:179:
/usr/include/c++/14/bits/random.h:689:7: note: candidate: ‘std::mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::result_type std::mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::operator()() [with _UIntType = long unsigned int; long unsigned int __w = 32; long unsigned int __n = 624; long unsigned int __m = 397; long unsigned int __r = 31; _UIntType __a = 2567483615; long unsigned int __u = 11; _UIntType __d = 4294967295; long unsigned int __s = 7; _UIntType __b = 2636928640; long unsigned int __t = 15; _UIntType __c = 4022730752; long unsigned int __l = 18; _UIntType __f = 1812433253; result_type = long unsigned int]’
  689 |       operator()();
      |       ^~~~~~~~
/usr/include/c++/14/bits/random.h:689:7: note:   candidate expects 0 arguments, 1 provided