Submission #1184428

#	Time	Username	Problem	Language	Result	Execution time	Memory
1184428		12345678	Arcade (NOI20_arcade)	C++20	100 / 100	116 ms	8464 KiB

Arcade

#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();
}

• Subtask 1: 7 / 7
• Subtask 2: 11 / 11
• Subtask 3: 12 / 12
• Subtask 4: 21 / 21
• Subtask 5: 14 / 14
• Subtask 6: 20 / 20
• Subtask 7: 15 / 15