제출 #858365

#제출 시각아이디문제언어결과실행 시간메모리
858365ily2003Baloni (COCI15_baloni)C++14
0 / 100
2084 ms9620 KiB
#include <bits/stdc++.h>
using namespace std;
int n,a[1000001];
vector <int> vec;
int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cin >> n;
    for (int i=1;i<=n;++i) cin >> a[i];
    for (int i=1;i<=n;++i) {
        if (vec.empty() || a[i]+1>vec.back()) vec.push_back(a[i]);
        else {
            int so=lower_bound(vec.begin(),vec.end(),a[i]+1)-vec.begin();
            if (vec[so]==a[i]+1) vec[so]=a[i];
            else vec.insert(vec.begin()+max(so-1,0),a[i]);
        }
    }
    cout << vec.size();
    return 0;
}
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