Submission #919745

#	Time	Username	Problem	Language	Result	Execution time	Memory
919745		ByeWorld	Just Long Neckties (JOI20_ho_t1)	C++14	9 / 100	117 ms	9424 KiB

ho_t1

#include <bits/stdc++.h>
#pragma GCC optimize("Ofast,unroll-loops")
#define bupol __builtin_popcount
#define int long long 
#define ll long long
#define ld long double
#define fi first
#define se second
#define pb push_back
#define lf (id<<1)
#define rg ((id<<1)|1)
#define md ((l+r)>>1)
using namespace std;
const int MAXN = 1e5+10;
const int MAXK = 2010;
const int LOG = 20;
const int MOD = 1e9+7;
const int SQRT = 520;
const int INF = 1e9+10;
typedef pair<int,int> pii;
typedef pair<int,pii> ipii;

int n;
int a[MAXN], b[MAXN], ans[MAXN];
vector <pii> vec;

bool cek(int x, int p){
    int j = n, mx = 0;
    for(int i=n-1; i>=0; i--){
        if(vec[j].se==p) j--;
        mx = max(mx, vec[j].fi-b[i]);
        j--;
    }
    return (mx <= x);
}
int bin(int p){
    int l=0, r = INF, mid=0, cnt=0;
    while(l<=r){
        mid = md;
        if(cek(mid, p)){
            r = mid-1; cnt = mid;
        } else l = mid+1;
    } 
    //cout << p << ' ' << cnt << " p\n";
    return cnt;
}
signed main(){
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    cin >> n;
    for(int i=0; i<=n; i++){
        cin >> a[i]; vec.pb({a[i], i});
    }
    sort(vec.begin(), vec.end());
    for(int i=0; i<n; i++) cin >> b[i];
    sort(b+0, b+n);

    for(int i=0; i<n+1; i++){
        ans[vec[i].se] = bin(vec[i].se);
    }

    for(int i=0; i<n+1; i++) cout << ans[i] << " \n"[i==n];
}

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