Submission #239235

#	Time	Username	Problem	Language	Result	Execution time	Memory
239235		aggu_01000101	Exhibition (JOI19_ho_t2)	C++14	100 / 100	78 ms	6004 KiB

joi2019_ho_t2

#include <bits/stdc++.h>
#define int long long
#define INF 1000000000000000
#define lchild(i) (i*2 + 1)
#define rchild(i) (i*2 + 2)
#define mid(l, u) ((l+u)/2)
#define x(p) p.first
#define y(p) p.second
#define MOD 998244353
using namespace std;
signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    int n, m;
    cin>>n>>m;
    pair<int, int> p[n];
    for(int i = 0;i<n;i++) cin>>p[i].second>>p[i].first;
    sort(p, p+n);
    vector<int> fs;
    for(int i = 0;i<m;i++){
        int temp;
        cin>>temp;
        fs.push_back(temp);
    }
    sort(fs.begin(), fs.end());
    int maxi = 0;
    int ans = 0;
    for(int i = n-1;i>=0;i--){
        //cout<<p[i].first<<" "<<p[i].second<<" "<<Ca
        auto it = lower_bound(fs.begin(), fs.end(), p[i].second);
        int cant = it - fs.begin();
        int can = m - cant;
        int curr = min(maxi+1, can);
        maxi = max(maxi, curr);
        ans = max(ans, curr);
    }
    cout<<ans<<"\n";
}

• Subtask 1: 10 / 10
• Subtask 2: 40 / 40
• Subtask 3: 50 / 50