Submission #469924

#	Time	Username	Problem	Language	Result	Execution time	Memory
469924		IvnF	Art Exhibition (JOI18_art)	C++14	0 / 100	1 ms	204 KiB

art

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define ull unsigned long long
#define fi first
#define se second
#define ld long double
ll n, sums;
pair<ll, ll>arr[100005];

int main(){
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	cin >> n;
	for(int i=1;i<=n;++i){
		cin >> arr[i].fi >> arr[i].se;
		sums+=arr[i].se;
	}
	sort(arr+1, arr+1+n);
	ll l=1, r=n, maks=sums-(arr[n].fi-arr[1].fi);
	while(l<r){
		ll hapus_depan=(sums-arr[l].se)-(arr[r].fi-arr[l+1].fi);
		ll hapus_blkg=(sums-arr[r].se)-(arr[r-1].fi-arr[l].fi);
		if(hapus_depan > hapus_blkg){
			maks=max(maks, hapus_depan);
			sums-=arr[l].se;
			l++;
		}
		else{
			maks=max(maks, hapus_blkg);
			sums-=arr[r].se;
			r--;
		}
	}
	cout << maks << '\n';
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 50