Submission #1180778

#	Time	Username	Problem	Language	Result	Execution time	Memory
1180778		Zbyszek99	Exhibition (JOI19_ho_t2)	C++20	100 / 100	47 ms	5976 KiB

joi2019_ho_t2

#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define ff first
#define ss second
#define vl vector<long long>
#define vi vector<int>
#define pii pair<int,int>
#define pll pair<long long, long long>
#define pb push_back
#define rep(i, b) for(int i = 0; i < (b); ++i)
#define rep2(i,a,b) for(int i = a; i <= (b); ++i)
#define rep3(i,a,b,c) for(int i = a; i <= (b); i+=c)
#define count_bits(x) __builtin_popcountll((x))
#define all(x) (x).begin(),(x).end()
#define siz(x) (int)(x).size()
#define forall(it,x) for(auto& it:(x))
using namespace std;
//mt19937 mt;void random(){mt.seed(chrono::time_point_cast<chrono::milliseconds>(chrono::high_resolution_clock::now()).time_since_epoch().count());}
//ll rand(ll a, ll b) {return a + (mt() % (b-a+1));}
const int INF = 1e9+50;
const ll INF_L = 1e18+40;
const ll MOD = 1e9+7;

int main()
{
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    //random();
    int n,m;
    cin >> n >> m;
    vector<pii> paint;
    rep(i,n)
    {
        int a,b;
        cin >> a >> b;
        paint.pb({b,a});
    }
    sort(all(paint));
    reverse(all(paint));
    multiset<int> frames;
    rep(i,m)
    {
        int a;
        cin >> a;
        frames.insert(a);
    }
    int ans = 0;
    rep(i,n)
    {
        if(siz(frames) == 0) break;
        auto it = frames.end();
        it--;
        if(*it >= paint[i].ss)
        {
            ans++;
     //       cout << *it << " " << paint[i].ss << " " << paint[i].ff << " fr\n";
            frames.erase(it);
        }
    }
    cout << ans;
}

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