Submission #1198336

#	Time	Username	Problem	Language	Result	Execution time	Memory
1198336		TahirAliyev	Exhibition (JOI19_ho_t2)	C++20	100 / 100	40 ms	2780 KiB

joi2019_ho_t2

#include <bits/stdc++.h>

// #pragma GCC optimize("Ofast,no-stack-protector,unroll-loops")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#define int long long
#define ld long double
#define ll long long
#define pii pair<int, int>
#define all(v) v.begin(), v.end()
using namespace std;
const int oo = 1e18 + 9;
const int MAX = 5000 + 5, LOGMAX = 20, B = 441, MOD = 998244353;


void solve(){
    int n, m; cin >> n >> m;
    vector<pii> v(n);
    for(auto &[b, a] : v){
        cin >> a >> b;
    }
    vector<int> c(m);
    for(int &a : c) cin >> a; 
    sort(all(c));
    reverse(all(c));
    sort(all(v));
    int l = 0, r = min(n, m);
    while(l < r){
        int mid = (l + r + 1) / 2;
        int j = mid - 1;
        for(auto [b, a] : v){
            if(a <= c[j]) j--;
            if(j == -1) break;
        }
        if(j == -1) l = mid;
        else r = mid - 1;
    }
    cout << l << '\n';
}   

signed main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int t = 1;
    // cin >> t;
    while(t--) solve();
}

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