Submission #98106

#	Time	Username	Problem	Language	Result	Execution time	Memory
98106		someone_aa	Exhibition (JOI19_ho_t2)	C++17	50 / 100	380 ms	20048 KiB

joi2019_ho_t2

#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define mp make_pair
#define P pair<ll, ll>
using namespace std;
const int maxn = 1010;
ll dp[maxn][maxn];
vector<P>v;
ll frames[maxn], n, m;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cin>>n>>m;
    ll sz, va;
    for(int i=1;i<=n;i++) {
        cin>>sz>>va;
        v.pb(mp(va, sz));
    }
    v.pb(mp(0, 0));
    sort(v.begin(), v.end());

    for(int i=1;i<=m;i++) {
        cin>>frames[i];
    }
    sort(frames+1, frames+m+1);

    for(int i=1;i<=n;i++) {
        for(int j=1;j<=m;j++) {
            dp[i][j] = max(dp[i-1][j], dp[i][j-1]);

            if(v[i].second <= frames[j]) {
                dp[i][j] = max(dp[i][j], dp[i-1][j-1] + 1);
            }
        }
    }
    cout<<dp[n][m]<<"\n";
    return 0;
}

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