Submission #573116

#	Time	Username	Problem	Language	Result	Execution time	Memory
573116		teki	Just Long Neckties (JOI20_ho_t1)	C++11	100 / 100	215 ms	31088 KiB

ho_t1

#include <bits/stdc++.h>

typedef long long ll;

#define pb push_back
#define MS(x,y) memset((x),(y),sizeof((x)))
#define MN 1000000007

using namespace std;

vector<pair<bool,int>> pref[200005];
multiset<int> pos;

int main()
{
    #if LOCAL_DEBUG
        fstream cin("in.txt");
    #endif

    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);

    int n;
    cin>>n;

    pair<int,int> niza[n+1];
    for (int i = 0; i<n+1; i++) cin>>niza[i].first;
    for (int i = 0; i<n+1; i++) niza[i].second = i;

    int init[n];
    for (int i = 0; i<n; i++) cin>>init[i];

    sort(niza,niza+(n+1));
    sort(init,init+n);

    for (int i = 0; i<n; i++) {
        int br = init[i];
        int prv = niza[i].first;
        int vtor = niza[i+1].first;

        if (vtor-br > 0) {
            pref[0].pb({1,vtor-br});
            pref[i+1].pb({0,vtor-br});
        }

        if (prv-br > 0) {
            pref[i+1].pb({1,prv-br});
        }
    }

    int res[n+1];
    MS(res,0);

    for (int i = 0; i<n+1; i++) {
        sort(pref[i].rbegin(),pref[i].rend());

        for (auto it:pref[i]) {
            if (it.first == 0) pos.erase(pos.find(it.second));
            else pos.insert(it.second);
        }

        if (pos.size() == 0) continue;

        auto orel = pos.end();
        orel--;

        res[niza[i].second] = *orel;
    }

    for (int i = 0; i<n+1; i++) cout<<res[i]<<" ";

    return 0;
}

• Subtask 1: 1 / 1
• Subtask 2: 8 / 8
• Subtask 3: 91 / 91