Submission #1238119

#	Time	Username	Problem	Language	Result	Execution time	Memory
1238119		M_SH_O	Just Long Neckties (JOI20_ho_t1)	C++20	100 / 100	205 ms	14724 KiB

ho_t1

/*#pragma GCC optimize("O3")
#pragma GCC optimization("Ofast,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")*/
#include <bits/stdc++.h>
/*#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>*/

#define ll int
#define ll1 long long
#define ull unsigned long long
#define dou long double
#define str string
#define vll vector<ll>
#define vi vector<int>
#define pll pair<ll, ll>
#define vpll vector<pll>
#define vbool vector<bool>
#define vstr vector<str>
#define vvll vector<vll>
#define pb push_back
#define pf push_front
#define endl "\n"
#define fr first
#define se second
// #define sortcmp(a) sort(a.begin(), a.end(), cmp)
#define sort(a) sort(a.begin(), a.end())
#define reverse(a) reverse(a.begin(), a.end())
#define speed ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0)
#define INF 1000000000000000007
#define ordered_set tree<ll, null_type, less_equal<ll>, rb_tree_tag, tree_order_statistics_node_update>

using namespace std;
//using namespace __gnu_pbds;

mt19937 rng(time(0));
ll randll(ll l, ll r) {
    return uniform_int_distribution<ll>(l, r)(rng);
}

vvll tree;

void bt(ll rt, ll v, ll tl, ll tr, vll& a) {
    if (tl == tr) {
        tree[rt][v] = a[tl];
        return;
    }

    ll tm = (tl+tr)/2;
    bt(rt, v*2, tl, tm, a);
    bt(rt, v*2+1, tm+1, tr, a);

    tree[rt][v] = gcd(tree[rt][v*2], tree[rt][v*2+1]);
}

ll get(ll rt, ll l, ll r, ll v, ll tl, ll tr) {
    if (l <= tl && tr <= r) return tree[rt][v];
    if (tl > r || tr < l) return 0;

    ll tm = (tl+tr)/2;
    //push(v, tl, tr);
    ll p = get(rt, l, r, v*2, tl, tm), p1 = get(rt, l, r, v*2+1, tm+1, tr);
    return gcd(p,p1);
}

int main(){
    speed;
    srand(time(0));

    ll n;
    cin >> n;
    vpll a(n+1);
    for (int i = 0; i < n+1; i ++) {
        cin >> a[i].fr;
        a[i].se = i;
    }
    vll b(n);
    for (int i = 0; i < n; i ++) {
        cin >> b[i];
    }

    sort(b);
    sort(a);
    ll res = 0;
    vll ans(n+1);
    multiset<ll> s;
    for (int i = 0; i < n; i ++) {
        res = max(res, max((ll)0, a[i].fr-b[i]));
        s.insert(max((ll)0, a[i].fr-b[i]));
    }
    ans[a[n].se] = res;

    for (int i = n-1; i >= 0; i --) {
        s.erase(s.find(max((ll)0, a[i].fr-b[i])));
        s.insert(max((ll)0, a[i+1].fr-b[i]));
        ans[a[i].se] = *--s.end();
    }

    for (int i = 0; i < n+1; i ++) {
        cout << ans[i] << ' ';
    }
    cout << endl;
}

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