Submission #1285357

#	Time	Username	Problem	Language	Result	Execution time	Memory
1285357		quan606303	Just Long Neckties (JOI20_ho_t1)	C++20	100 / 100	68 ms	11644 KiB

ho_t1

/*
 * @Author: RMQuan 
 * @Date: 2025-10-30 13:55:55 
 * @Last Modified by: RMQuan
 * @Last Modified time: 2025-10-30 14:24:10
 */
/*idea : 



*/
#include <bits/stdc++.h>
bool M1;
#define int long long
#define ll long long
#define INTMAX INT_MAX
#define INTMIN INT_MIN
#define LONGMAX LLONG_MAX
#define LONGMIN LLONG_MIN
#define fi first
#define se second
#define memfull(a,b) memset(a,b,sizeof(a));
#define endl '\n'
#define TASK "TEST"
#define file() if (fopen(TASK".inp","r")){freopen(TASK".inp","r",stdin); freopen(TASK".out","w",stdout);}
using namespace std;
const int MOD=1e9+7;
const int maxn=2e5+7;
pair<int,int> a[maxn];
int n,b[maxn];
int pre[maxn],suf[maxn],ans[maxn];
int32_t main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    file();
    cin>>n;
    for (int i=1;i<=n+1;i++)
    {
        cin>>a[i].fi;
        a[i].se=i;
    }
    sort(a+1,a+2+n);
    for (int i=1;i<=n;i++)cin>>b[i];
    sort(b+1,b+1+n);
    for (int i=1;i<=n;i++)pre[i]=max(pre[i-1],max(0LL,a[i].fi-b[i]));
    for (int i=n+1;i>1;i--)suf[i]=max(suf[i+1],max(0LL,a[i].fi-b[i-1]));
    for (int i=1;i<=n+1;i++)ans[a[i].se]=max(pre[i-1],suf[i+1]);
    for (int i=1;i<=n+1;i++)cout<<ans[i]<<" ";
    bool M2;
    cerr<<"-------------------------------------------------"<<endl;
    cerr<<"Time : "<<clock()<<" ms"<<endl;
    cerr<<"Memory : "<<abs(&M2-&M1)/1024/1024<<" MB"<<endl;
    cerr<<"-------------------------------------------------"<<endl;
    return 0;
}

Compilation message (stderr)

ho_t1.cpp: In function 'int32_t main()':
ho_t1.cpp:25:50: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   25 | #define file() if (fopen(TASK".inp","r")){freopen(TASK".inp","r",stdin); freopen(TASK".out","w",stdout);}
      |                                           ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
ho_t1.cpp:37:5: note: in expansion of macro 'file'
   37 |     file();
      |     ^~~~
ho_t1.cpp:25:81: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   25 | #define file() if (fopen(TASK".inp","r")){freopen(TASK".inp","r",stdin); freopen(TASK".out","w",stdout);}
      |                                                                          ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
ho_t1.cpp:37:5: note: in expansion of macro 'file'
   37 |     file();
      |     ^~~~

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