제출 #744570

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
744570		HoriaHaivas	Exhibition (JOI19_ho_t2)	C++14	0 / 100	0 ms	212 KiB

joi2019_ho_t2

/*
    "TLE is like the wind, always by my side"
    - Yasuo - 2022 -
*/
#include <bits/stdc++.h>
#define debug(x) cerr << #x << " " << x << "\n"
#define debugs(x) cerr << #x << " " << x << " "
#pragma GCC optimize("Ofast")
#define int long long

using namespace std;

struct painting
{
    int s;
    int v;
};

painting a[100001];
int sz[100001];
int n,m,i,j,r,pas;


bool cmp(painting aa, painting bb)
{
    return aa.v<bb.v;
}

bool good(int len)
{
    int k;
    bool done;
    done=false;
    k=m-len+1;
    for (i=1;i<=n;i++)
    {
         if (a[i].s<=sz[k])
             k++;
         if (k==m+1)
         {
             done=true;
             break;
         }
    }
    return done;
}

signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    cin >> n >> m;
    for (i=1;i<=n;i++)
    {
         cin >> a[i].s >> a[i].v;
    }
    for (i=1;i<=m;i++)
    {
        cin >> sz[i];
    }
    sort(sz+1,sz+1+m);
    sort(a+1,a+1+n,cmp);
    r=0;
    pas=(1<<16);
    while (pas)
    {
        if (r+pas<=n && good(r+pas))
            r+=pas;
        pas=pas/2;
    }
    cout << r;
}

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