제출 #350717

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
350717		spike1236	Detecting Molecules (IOI16_molecules)	C++14	9 / 100	1 ms	384 KiB

molecules

#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
#define f first
#define s second
#define ll long long
#define ld long double
#define all(_v) _v.begin(), _v.end()
#define sz(_v) (int)_v.size()
#define pii pair <int, int>
#define pll pair <ll, ll>
#define veci vector <int>
#define vecll vector <ll>

veci find_subset(int asd, int asdas, veci w) {
    ll l = asd, r = asdas;
    int n = sz(w);
    vector <pair <ll, int> > a;
    for(int i = 0; i < n; ++i)
        a.pb(mp(w[i], i));
    sort(all(a));
    multiset <pair <ll, int> > st;
    ll sum = 0;
    for(int i = 0; i < n; ++i) {
        if(sum + a[i].f <= r) {
            sum += a[i].f;
            st.insert(a[i]);
        } else {
            if(!st.empty() && sum - (*st.rbegin()).f + a[i].f <= r) {
                auto it = *st.rbegin();
                st.erase(--st.end());
                sum -= it.f;
                sum += a[i].f;
                st.insert(a[i]);
            }
        }
        if(l <= sum && sum <= r) {
            veci res;
            for(auto it : st) res.pb(it.s);
            return res;
        }
    }
    return {};
}

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