Submission #1676508

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

#define DEBUG(x) cerr << #x << ": " << x << endl;
#define ll long long

int main() {
    int n;
    cin >> n;

    set<int> s;
    for (int i = 0; i < n; i++) {
        int a;
        cin >> a;
        s.insert(a);
    }

    // beginじゃなくてrbegin()をつかう
    auto it = s.rbegin();
    ++it;
    cout << *it << endl;

    return 0;
}

Submission Info

Judge Result