Submission #574994

#	Time	Username	Problem	Language	Result	Execution time	Memory
574994		teki	Exhibition (JOI19_ho_t2)	C++11	100 / 100	55 ms	3536 KiB

joi2019_ho_t2

#include <bits/stdc++.h>

typedef long long ll;

#define pb push_back
#define MS(x,y) memset((x),(y),sizeof((x)))
#define MN 1000000007

using namespace std;

const int MAXN = 1001;
vector<int> frames;
vector<pair<int,int>> pics;
int n,m;

int main()
{
    #if LOCAL_DEBUG
        fstream cin("in.txt");
    #endif

    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);

    cin>>n>>m;

    pics.resize(n);
    for (int i = 0; i<n; i++) cin>>pics[i].second>>pics[i].first;
    sort(pics.rbegin(),pics.rend());

    frames.resize(m);
    for (int i = 0; i<m; i++) cin>>frames[i];
    sort(frames.rbegin(),frames.rend());

    int ctr = 0;

    for (int i = 0; i<n; i++) {
        if (ctr >= m) break;

        if (frames[ctr] >= pics[i].second) ctr++;
    }

    cout<<ctr<<endl;

    return 0;
}

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