Submission #1160309

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1160309	2025-03-02 08:25:48	c4c7u5	Exhibition (JOI19_ho_t2)	C++20	0 / 100	0 ms	328 KiB

joi2019_ho_t2

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#include<bits/stdc++.h>
using namespace std;
int n, m, c[200005];
pair<int, int> s[200005];
vector<int> lis;
int main() {
    ios::sync_with_stdio(0);cin.tie(0);
    cin >> n >> m;
    for(int i=0;i<n;i++) cin >> s[i].second >> s[i].first;
    for(int i=0;i<m;i++) cin >> c[i];
    sort(s, s+n);
    sort(c, c+m);
    
    lis.push_back(0);
    for(int i=n-1;i>=0;i--) {
        int pos = m - (lower_bound(c, c+m, s[i].second)-c);
        auto it = lower_bound(lis.begin(), lis.end(), pos);
        if(it!=lis.end()) *it = *prev(it)+1;
        else if(*prev(it)<m) lis.push_back(*prev(it)+1);
    }
    
    cout << lis.size()-1 << '\n';
    
    return 0;
}
 
 
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• Subtask 1: 0 / 10
• Subtask 2: 0 / 40
• Subtask 3: 0 / 50