Submission #566923

#	Time	Username	Problem	Language	Result	Execution time	Memory
566923		MrDeboo	Just Long Neckties (JOI20_ho_t1)	C++17	100 / 100	334 ms	22472 KiB

ho_t1

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define int long long
#define endl '\n'
using namespace std;
using namespace __gnu_pbds;
using ordered_set = tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update>;
signed main(){
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    int n;
    cin>>n;
    int arr[n+1];
    for(auto &i:arr)cin>>i;
    int a[n+1];
    for(int i=0;i<=n;i++)a[i]=arr[i];
    sort(a,a+n+1);
    int b[n];
    for(auto &i:b)cin>>i;
    sort(b,b+n);
    map<int,int>ans;
    int pre[n+1];
    int suf[n+1];
    for(int i=0;i<n;i++){
        pre[i]=max(0ll,a[i]-b[i]);
        if(i)pre[i]=max(pre[i],pre[i-1]);
    }
    for(int i=n;i>=1;i--){
        suf[i]=max(0ll,a[i]-b[i-1]);
        if(i!=n)suf[i]=max(suf[i],suf[i+1]);
    }
    for(int i=0;i<=n;i++){
        if(i)ans[a[i]]=pre[i-1];
        if(i!=n)ans[a[i]]=max(ans[a[i]],suf[i+1]);
    }
    for(int i=0;i<=n;i++)cout<<ans[arr[i]]<<' ';
}

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