Submission #532110

#	Time	Username	Problem	Language	Result	Execution time	Memory
532110		scottchou	Just Long Neckties (JOI20_ho_t1)	C++17	100 / 100	109 ms	10056 KiB

ho_t1

#include<iostream>
#include<algorithm>
#include<vector>
using namespace std;
int const N = 200005;
int b[N], premax[N];
typedef pair<int, int> pii;
pii a[N];
int ans[N];
int main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    int n;
    cin >> n;
    for(int i = 0; i <= n; i++){
        cin >> a[i].first;
        a[i].second = i;
    }
    for(int i = 0; i < n; i++){
        cin >> b[i];
    }
    sort(b, b + n);
    sort(a, a + n + 1);
    premax[0] = a[0].first - b[0];
    for(int i = 1; i < n; i++){
        premax[i] = max(premax[i - 1], a[i].first - b[i]);
    }
    int prem = 0;
    for(int i = n; i >= 0; i--){
        prem = max(prem, a[i + 1].first - b[i]);
        int maxn = 0;
        if(i == 0){
            maxn = prem;
        }else{
            maxn = max(prem, premax[i - 1]);
        }
        ans[a[i].second] = maxn;
    }
    for(int i = 0; i <= n; i++){
        cout << ans[i] << '\n';
    }
}

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