Submission #1088769

#	Time	Username	Problem	Language	Result	Execution time	Memory
1088769		ntdaccode	Just Long Neckties (JOI20_ho_t1)	C++17	100 / 100	74 ms	15648 KiB

ho_t1

//de y tung cac mang 1
#include<bits/stdc++.h>
#define fori(i,a,b) for(int i=a;i<=b;i++)
#define int long long
#define pb push_back
#define ii pair<int,int>
#define fi first
#define se second
using namespace std;
const int M=2e5+10;
int n,b[M],ret[M],f[M],g[M];
ii a[M];
int32_t main()
{
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  if(fopen("1.inp","r"))
  {
    freopen("1.inp","r",stdin);
    freopen("1.out","w",stdout);
  }
  cin >> n;
  fori(i,1,n+1)
  {
    cin >> a[i].fi;
    a[i].se=i;
  }
  fori(i,1,n) cin >> b[i];
  sort(a+1,a+n+2);
  sort(b+1,b+n+1);
  //fori(i,1,n+1) cout << a[i] << " ";
  fori(i,1,n) f[i]=max(f[i-1],max(0ll,a[i].fi-b[i]));
  for(int i=n+1;i!=1;i--) g[i]=max(g[i+1],max(0ll,a[i].fi-b[i-1]));
  fori(i,1,n+1) ret[a[i].se]=max(f[i-1],g[i+1]);
  fori(i,1,n+1) cout << ret[i] << " ";
}

Compilation message (stderr)

ho_t1.cpp: In function 'int32_t main()':
ho_t1.cpp:20:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |     freopen("1.inp","r",stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~
ho_t1.cpp:21:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |     freopen("1.out","w",stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~

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