Submission #222107

#	Time	Username	Problem	Language	Result	Execution time	Memory
222107		kartel	Kisik (COCI19_kisik)	C++14	90 / 90	1268 ms	75712 KiB

kisik

#include <bits/stdc++.h>
#define in(x) freopen(x,"r",stdin)
#define out(x) freopen(x,"w",stdout)
#define F first
#define S second
#define pb push_back
#define M ll(998244353)
#define inf ll(2e9+7)
#define N ll(200500)
#define sz(x) x.size()
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#define el '\n'
using namespace std;
typedef unsigned long long ull;
typedef long long ll;
typedef long double ld;

//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
//using namespace __gnu_pbds;
//typedef tree <ll, null_type, less_equal <ll>, rb_tree_tag, tree_order_statistics_node_update> os;

multiset <pair <ll, ll> , greater <pair <ll, ll> > > se;
ll w, h, i, n, k, ans;
vector <pair <ll, ll> > v;

int main()
{
//    in("input.txt");
//    out("output.txt");

    ios_base::sync_with_stdio(false);
    iostream::sync_with_stdio(false);
    cin.tie(NULL);

    cin >> n >> k;

    for (i = 1; i <= n; i++)
    {
        cin >> w >> h;
        v.pb({w, h});
    }

    w = 0;

    sort(v.begin(), v.end());

    for (i = 0; i < k; i++) se.insert({v[i].S, v[i].F}), w += v[i].F, h = (*se.begin()).F;

    ans = w * h;

    for (i = k; i < n; i++)
    {
        if (v[i].S < (*se.begin()).F)
        {
            w -= (*se.begin()).S;
            se.erase(se.begin());
            w += v[i].F;
            se.insert({v[i].S, v[i].F});
            h = (*se.begin()).F;
            ans = min(ans, w * h);
        }
    }
    cout << ans;
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10