Submission #757072

#	Time	Username	Problem	Language	Result	Execution time	Memory
757072		michao	Just Long Neckties (JOI20_ho_t1)	C++14	100 / 100	111 ms	18752 KiB

ho_t1

#include <bits/stdc++.h>
#define int long long
#define mp make_pair
#define pb push_back
#define ld long double
#define pii pair<int,int>
#define sz(x) (int)x.size()
#define piii pair<pii,pii>
#define precise cout<<fixed<<setprecision(10)
#define st first
#define nd second
#define ins insert
#define vi vector<int>
#define BOOST ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0)
using namespace std;
const int MAX=2e5+5;
int a[MAX];
int b[MAX];
int maxpref[MAX],maxsuf[MAX];
int ans[MAX];
int c[MAX];
bool cmp(int i,int j){
  return a[i]<a[j];
}
int32_t main()
{
  BOOST;
  int n;
  cin>>n;
  for (int i=1;i<=n+1;i++)cin>>a[i];
  for (int i=1;i<=n;i++)cin>>b[i];
  sort(b+1,b+n+1);
  for (int i=1;i<=n+1;i++)c[i]=i;
  sort(c+1,c+n+2,cmp);

  vi c1,c2;
  for (int i=1;i<=n;i++)c2.pb(b[i]);
  for (int i=1;i<=n;i++)c1.pb(a[i]);
  for (int i=1;i<=n;i++){
    int id=c[i];
    maxpref[i]=max(maxpref[i-1],a[id]-b[i]);
  }
  for (int i=n;i>=1;i--){
    int id=c[i+1];
    //cout<<"XD "<<id<<" "<<i<<"\n";
    maxsuf[i]=max(maxsuf[i+1],a[id]-b[i]);
    //cout<<"AFTER "<<i<<" "<<maxsuf[i]<<"\n";
  }

  for (int wywal=1;wywal<=n+1;wywal++){
    int ilebiore=n-(wywal-1);
    ans[c[wywal]]=max(maxpref[wywal-1],maxsuf[n-ilebiore+1]);
  }
  for (int i=1;i<=n+1;i++)cout<<ans[i]<<" ";
  return 0;
}

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