Submission #977236

#	Time	Username	Problem	Language	Result	Execution time	Memory
977236		LOLOLO	Exhibition (JOI19_ho_t2)	C++17	0 / 100	1 ms	348 KiB

joi2019_ho_t2

#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
 
#define           f    first
#define           s    second
#define           pb    push_back
#define           ep    emplace
#define           eb    emplace_back
#define           lb    lower_bound
#define           ub    upper_bound
#define       all(x)    x.begin(), x.end()
#define      rall(x)    x.rbegin(), x.rend()
#define   uniquev(v)    sort(all(v)), (v).resize(unique(all(v)) - (v).begin())
#define     mem(f,x)    memset(f , x , sizeof(f))
#define        sz(x)    (int)(x).size()
#define  __lcm(a, b)    (1ll * ((a) / __gcd((a), (b))) * (b))
#define          mxx    *max_element
#define          mnn    *min_element
#define    cntbit(x)    __builtin_popcountll(x)
#define       len(x)    (int)(x.length())
 
const int N = 2e5 + 100;

ll solve() {
    int n, m;
    cin >> n >> m;

    vector <pair <int, int>> pic;
    vector <int> fr;

    for (int i = 1; i <= n; i++) {
        int s, v;
        cin >> s >> v;
        pic.pb({v, s});
    }

    for (int i = 1; i <= m; i++) {
        int c;
        cin >> c;
        fr.pb(c);
    }

    sort(all(fr));
    sort(all(pic), [&] (pair <int, int> A, pair <int, int> B) {
        if (A.f != B.f)
            return A.f > B.f;

        return A.s < B.s;
    });

    int cnt = 0;
    for (auto x : pic) {
        if (sz(fr) && fr.back() >= x.s) {
            cnt++;
            fr.pop_back();
        }
    }

    return cnt;
}
 
int main(){
    ios_base::sync_with_stdio(false); 
    cin.tie(NULL);
    cout.tie(NULL);
 
    int t = 1;
    //cin >> t;
 
    while (t--) {
        //solve();
        cout << solve() << '\n';
    }
 
    return 0;
} 

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