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python/TangDou/LanQiaoBei/LanQiao14GuoSai/2_2.cpp

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2025-08-30 18:35:01 +08:00
#include <bits/stdc++.h>
using namespace std;
const int N = 1e6 + 10;
int a[N];
unordered_map<int, int> _map;
int main() {
int n;
cin >> n;
for (int i = 1; i <= n; i++) cin >> a[i], _map[a[i]]++;
bool flag = false;
for (int i = 1; i <= n; i++)
if (_map[a[i]] > n / 2) {
cout << a[i];
flag = true;
break;
}
if (!flag) cout << "No";
return 0;
}