Submission #443204

#	Time	Username	Problem	Language	Result	Execution time	Memory
443204		Fidisk	Just Long Neckties (JOI20_ho_t1)	C++14	0 / 100	2 ms	332 KiB

ho_t1

#include <bits/stdc++.h>
using namespace std;

#define oo 1e15
#define fi first
#define se second
#define sp(iiii) setprecision(iiii)
#define IO ios_base::sync_with_stdio(false); cin.tie(0)
#define ms(aaaa,xxxx) memset(aaaa,xxxx,sizeof(aaaa))
#define cntbit(xxxx) __builtin_popcount(xxxx)
#define getbit(xxxx,aaaa) (((xxxx)>>(aaaa-1))&1)

typedef long double ld;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<pair<int,int>,int> piii;
typedef pair<pair<int,int>,pair<int,int>> piiii;
typedef pair<long long,long long> pll;
typedef pair<pair<long long,long long>,long long> plll;
typedef pair<pair<long long,long long>,pair<long long,long long>> pllll;
typedef pair<pair<long long,long long>,bool> pllb;
typedef pair<long double,long double> pld;
typedef pair<pair<long double,long double>,long double> plld;

const ll base=2e9+4257;
//const ll mod=1e9+7;
const ll mod2=1e9+4233;
const ld eps=1e-12;
const ll maxn=1e16;
const ld pi=acos(-1);
const ll delta=1e5+7;
const int dx[4]={1,-1,0,0};
const int dy[4]={0,0,1,-1};

ll n,i,ans[500009],f[500009],f2[500009],pre[500009],suf[500009],b[500009];
pll a[500009];

int main(){
    IO;
    #ifndef ONLINE_JUDGE
        freopen("test.inp", "r", stdin);
        freopen("test.out", "w", stdout);
    #else
    #endif
    cin>>n;
    for (i=1;i<=n+1;i++) {
        cin>>a[i].fi;
        a[i].se=i;
    }
    for (i=1;i<=n;i++) {
        cin>>b[i];
    }
    sort(a+1,a+n+2);
    sort(b+1,b+n+1);
    for (i=1;i<=n;i++) {
        f[i]=a[i].fi-b[i];
        f2[i]=a[i+1].fi-b[i];
    }
    for (i=1;i<=n;i++) {
        pre[i]=max(pre[i-1],f[i]);
    }
    for (i=n;i>=1;i--) {
        suf[i]=max(suf[i+1],f2[i]);
    }
    for (i=1;i<=n+1;i++) {
        ans[a[i].se]=max(pre[i-1],suf[i]);
    }
    for (i=1;i<=n+1;i++) {
        cout<<ans[i]<<' ';
    }
}

Compilation message (stderr)

ho_t1.cpp: In function 'int main()':
ho_t1.cpp:42:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   42 |         freopen("test.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
ho_t1.cpp:43:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   43 |         freopen("test.out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 1
• Subtask 2: 0 / 8
• Subtask 3: 0 / 91