제출 #1184428

#제출 시각아이디문제언어결과실행 시간메모리
118442812345678Arcade (NOI20_arcade)C++20
100 / 100
116 ms8464 KiB
#include <bits/stdc++.h>

using namespace std;

const int nx=5e5+5;

int n, t[nx], a[nx];
vector<pair<int, int>> p;
vector<int> v;

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n>>n;
    for (int i=1; i<=n; i++) cin>>t[i];
    for (int i=1; i<=n; i++) cin>>a[i], p.push_back({a[i]+t[i], t[i]-a[i]});
    sort(p.begin(), p.end());
    for (auto [_, x]:p)
    {
        auto itr=lower_bound(v.begin(), v.end(), -x);
        if (itr==v.end()) v.push_back(-x);
        else *itr=-x;
    }
    cout<<v.size();
}
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