Submission #963389

#	Time	Username	Problem	Language	Result	Execution time	Memory
963389		leo_2727	Exhibition (JOI19_ho_t2)	C++17	50 / 100	1029 ms	5096 KiB

joi2019_ho_t2

#include <algorithm>
#include <fstream>
#include <vector>
#include <queue>
#include <stack>
#include <iostream>
#include <cmath>
#include <queue>
#include <set>
#include <string>
#include <cstring>
#include <map>
#include <unordered_map>
#include <unordered_set>
#include <iomanip>
#define F first
#define S second
#define PB push_back
using namespace std;
const long long MOD=1e9+7, INF=1e18;
const int INFI=1e9;
typedef long long ll;
typedef pair<int, int> ii;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<ii> vii;
typedef vector<pair<int, ii>> viii;
typedef vector<vii> vvii;
typedef vector<ll> vll;
typedef vector<vll> vvll;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int n, m;   cin>>n>>m;
    vii p(n+1), dp(m+1, {0, 0});
    vi f(m+1);
    for(int i=1;i<=n;i++)   cin>>p[i].S>>p[i].F;
    for(int i=1;i<=m;i++)   cin>>f[i];
    sort(p.begin()+1, p.end());
    sort(f.begin()+1, f.end());
    for(int i=1;i<=n;i++){
        int cntmx=0, ind=1, sz=p[i].S, val=p[i].F;
        for(;ind<=m && f[ind]<sz;ind++){}
        for(int j=1;j<ind;j++)
            if(dp[j].F>cntmx)   cntmx=dp[j].F;
        for(;ind<=m;ind++){
            int aux=dp[ind].F;
            if(cntmx+1>aux)    dp[ind]={cntmx+1, val};
            if(aux>cntmx)   cntmx=aux;
        }
    }
    cout<<dp[m].F<<endl;
    return 0;
}

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