Submission #44938782

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Source Code Expand

#include<bits/stdc++.h>
#include<atcoder/all>
using namespace std;
using namespace atcoder;
using ll=long long;
template<class T,class U> inline bool chmin(T&x,U y){if(x>y){x=y;return true;}return false;}
template<class T,class U> inline bool chmax(T&x,U y){if(x<y){x=y;return true;}return false;}

void solve(){
    int n;
    cin >> n;
    vector<int> a(n);
    for(auto&i:a) cin >> i;
    sort(begin(a), end(a));
    for (int i = 1; i < n; i++)
    {
        if(a[i-1]+1 < a[i])
        {
            cout << a[i] - 1 << endl;
            return;
        }
    }
    
}

int main(){
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    solve();
}

Submission Info

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