Submission #935704

#	Time	Username	Problem	Language	Result	Execution time	Memory
935704		abcvuitunggio	Arcade (NOI20_arcade)	C++17	0 / 100	1 ms	2396 KiB

Arcade

#include <bits/stdc++.h>
using namespace std;
int n,m,t[500001],a[500001];
vector <pair <int, int>> p;
set <int> s;
int main(){
    ios_base::sync_with_stdio(NULL);cin.tie(nullptr);
    cin >> n >> m;
    for (int i=1;i<=m;i++)
        cin >> t[i];
    for (int i=1;i<=m;i++){
        cin >> a[i];
        p.push_back({t[i]+a[i],t[i]-a[i]});
    }
    sort(p.begin(),p.end());
    for (auto [i,j]:p){
        auto it=s.lower_bound(j);
        if (it!=s.end())
            s.erase(it);
        s.insert(j);
    }
    cout << s.size();
}

• Subtask 1: 0 / 7
• Subtask 2: 0 / 11
• Subtask 3: 0 / 12
• Subtask 4: 0 / 21
• Subtask 5: 0 / 14
• Subtask 6: 0 / 20
• Subtask 7: 0 / 15