1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
#include <bits/stdc++.h>
using namespace std;

#define FOR(i, a, b) for(int i = (a); i < (b); i++)
#define RFOR(i, a, b) for(int i = (a) - 1; i >= (b); i--)
#define SZ(a) int(a.size())
#define ALL(a) a.begin(), a.end()
#define PB push_back
#define MP make_pair
#define F first
#define S second

typedef long long LL;
typedef vector<int> VI;
typedef pair<int, int> PII;
typedef long double db;

int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);
    int n;
    cin >> n;
    VI cnt(n);
    FOR(i, 0, n)
    {
        int x;
        cin >> x;
        x--;
        cnt[x]++;
    }
    sort(ALL(cnt), greater());
    int s = 0;
    FOR(i, 0, n)
    {
        s += cnt[i];
        if (s - (i + 1) >= n - s)
        {
            cout << i + 1 << "\n";
            return 0;
        }
    }
    assert(false);
	return 0;
}