Submission #1009598

#	Time	Username	Problem	Language	Result	Execution time	Memory
1009598		MrPavlito	Art Exhibition (JOI18_art)	C++17	100 / 100	128 ms	24788 KiB

art

#include <bits/stdc++.h>
#define int long long
#define pb push_back
#define mp make_pair
#define all(x) (x).begin(),(x).end()
#define fi first
#define sc second
#define endl "\n"
#define pii pair<int,int>

using namespace std;

const int MAXN = 1e5+5;
const int mod7 = 1e9+7;
const long long inf = 1e18;

signed main()
{
    ios_base::sync_with_stdio(false),cin.tie(0), cout.tie(0);
    int tt=1;
    //cin >> tt;
    while(tt--)
    {
        int n;
        cin >> n;
        vector<pii> niz(n);
        for(int i=0; i<n; i++)cin >> niz[i].fi >> niz[i].sc;
        sort(all(niz));
        int mx = 0;
        int rez = 0;
        vector<int> pref(n+1);
        for(int i=1; i<n+1; i++) pref[i] = pref[i-1] + niz[i-1].sc;
        for(int i=0; i<n; i++)
        {
            mx = max(mx, -pref[i] + niz[i].fi);
            rez = max(rez,pref[i+1] + mx - niz[i].fi);
        }
        cout << rez << endl;

    }
}

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