Submission #1609995

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
#define FOR(i, n) for(int i = 0; i < (n); i++)
#define MEM(a, x) memset(a, x, sizeof(a))
#define ALL(a) a.begin(), a.end()
#define UNIQUE(a) a.erase(unique(ALL(a)), a.end())
typedef long long ll;

int n;

int main(int argc, char const *argv[]) {
	ios_base::sync_with_stdio(false);
	cin >> n;
	vector<int> v(n);
	FOR(i, n) cin >> v[i];
	sort(ALL(v));
	UNIQUE(v);
	v.pop_back();
	cout << v.back() << endl;
	return 0;
}

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