제출 #252984

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
252984		Atill83	Exhibition (JOI19_ho_t2)	C++14	100 / 100	78 ms	4568 KiB

joi2019_ho_t2

#include <bits/stdc++.h>
#define ff first
#define ss second
#define endl '\n'
using namespace std;
const long long INF = (long long) 1e18;
const int mod = (int) 1e9+7;
const int MAXN = (int) 3e5+5;

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
ll n, m;
pii pic[MAXN];
int c[MAXN];
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);cout.tie(nullptr);

    #ifdef Local
        freopen("C:/Users/Admin/Desktop/Yazilim/C/IO/int.txt","r",stdin);
        freopen("C:/Users/Admin/Desktop/Yazilim/C/IO/out.txt","w",stdout);
    #endif

    cin>>n>>m;

    for(int i = 0; i < n; i++){
        int v, s;
        cin>>s>>v;
        pic[i] = {v, s};
    }

    sort(pic, pic + n);

    for(int i = 0; i < m; i++){
        cin>>c[i];
    }

    sort(c, c + m);

    ll res = 0, cur = n - 1;

    for(int j = m - 1; j >= 0; j--){
        while(cur >= 0 && pic[cur].ss > c[j]) cur--;
        if(cur >= 0){
            cur--;
            res++;
        }
    }

    cout<<res<<endl;


    

    #ifdef Local
        cout<<endl<<fixed<<setprecision(2)<<1000.0 * clock() / CLOCKS_PER_SEC<< " milliseconds ";
    #endif
}

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