Submission #1279695

#	Time	Username	Problem	Language	Result	Execution time	Memory
1279695		yassia	Just Long Neckties (JOI20_ho_t1)	C++20	100 / 100	86 ms	16624 KiB

ho_t1

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
using namespace __gnu_pbds;
using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using str = string;
using ld = long double;
using hash_map = gp_hash_table<int, int>;
using hash_set = gp_hash_table<int, null_type>;
auto sd = std::chrono::high_resolution_clock::now().time_since_epoch().count();
mt19937 rnd(sd);
using ord_set = tree<ll, null_type, less<>, rb_tree_tag, tree_order_statistics_node_update>;
const ll inf = 1e18;

void solve1() {
    ll n;
    cin >> n;
    vector<pll> a(n+1);
    vector<ll> a1;
    for (int i = 0; i <= n; i++){
        cin>>a[i].first;
        a[i].second= i;
        a1.push_back(a[i].first);
    }
    sort(a1.begin(), a1.end());
    vector<ll> b(n);
    for (int i =0; i<n;i++){
        cin>>b[i];
    }
    sort(b.begin(), b.end());
    vector<ll> t1;
    vector<ll> t2;
    for (int i =0; i <n; i++){
        t1.push_back(max(0ll,a1[i]-b[i]));
    }
    for(int j = 0; j <n;j++){
        t2.push_back(max(0ll, a1[j+1]-b[j]));
    }
    vector<ll> pr_max(n+1);
    for (int j = 1; j <= n; j++){
        pr_max[j] = max(pr_max[j-1], t1[j-1]);
    }
    vector<ll> sufmax(n+1);
    for (int j = n-1; j>=0 ;j--){
        sufmax[j] = max(sufmax[j+1], t2[j]);
    }
    sort(a.begin(), a.end());
    vector<ll> answs(n+1);
    for (int j =0; j<n+1; j++){
        answs[a[j].second] = max(pr_max[j],sufmax[j]);
    }
    for (int j = 0; j< n+1; j++){
        cout<<answs[j]<<" ";
    }


}

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
#ifdef local
    freopen("in.txt", "r", stdin);
    freopen("out.txt", "w", stdout);
#endif
    int t1 = 1;
    //  cin>>t1;
    for (int o_ = 0; o_ < t1; o_++) {
        solve1();
    }
#ifdef local
    printf_s("\n%.5f s", (double) clock() / CLOCKS_PER_SEC);
#endif
}

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