22 lines
475 B
C++
22 lines
475 B
C++
#include <bits/stdc++.h>
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using namespace std;
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const int N = 1e6 + 10;
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int a[N];
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int b[N]; // 开1e6不够，开2e9就会MLE，用桶是不行的
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int main() {
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int n;
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cin >> n;
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for (int i = 1; i <= n; i++) cin >> a[i], b[a[i]]++;
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bool flag = false;
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for (int i = 1; i <= n; i++)
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if (b[a[i]] > n / 2) {
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cout << a[i];
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flag = true;
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break;
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}
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if (!flag) cout << "No";
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return 0;
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} |