Submission #574058

#	Time	Username	Problem	Language	Result	Execution time	Memory
574058		Ronin13	Exhibition (JOI19_ho_t2)	C++14	0 / 100	1 ms	212 KiB

joi2019_ho_t2

#include<bits/stdc++.h>
#define ll long long
#define ull unsigned ll
#define f first
#define s second
#define pll pair<ll,ll>
#define pii pair<int,int>
#define pb push_back
#define epb emplace_back
using namespace std;

const ll linf = 1e18 + 1;

int main(){
    int n; cin >> n;
    int m; cin >> m;
    vector <ll> d(n + 1, linf);
    d[0] = 0;
    pll a[n + 1];
    ll  c[m + 1];
    for(int i = 1; i <= n; i++) cin >> a[i].f >> a[i].s;
    for(int i = 1; i <= m; i++) cin >> c[i];
    sort(a + 1, a + 1 + n);
    sort(c + 1, c + m + 1);
    int ind = 1;
    ll ans = 0;
    ll res = 0;
    for(int i = 1; i <= m; i++){
        while(a[ind].f <= c[i]){
            ll x = upper_bound(d.begin(), d.end(), a[ind].s) - d.begin();
            res = max(res, x);
            d[x] = a[ind].s;
            ind++;

        }
        ans = min(res, (ll)i);
    }
    cout << ans;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 40
• Subtask 3: 0 / 50