Submission #1049720

#	Time	Username	Problem	Language	Result	Execution time	Memory
1049720		vjudge1	Art Exhibition (JOI18_art)	C++17	0 / 100	0 ms	348 KiB

art

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define pll pair<ll, ll>
#define fi first
#define se second
#define speed ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
int main() {
    speed;
    int n;
    cin >> n;
    vector<pll> a(n);
    for(int i = 0; i < n; i++) cin >> a[i].fi >> a[i].se;
    sort(begin(a), end(a));
    ll pref[n+1]{}, ans = LLONG_MIN;
    for(int i = 0; i < n; i++) {
        if(!i) pref[i] = a[i].se;
        else pref[i] = pref[i-1] + a[i].se;
    }
    for(int i = 0; i < n; i++) {
        for(int j = 0; j < i; j++) {
            ll k = pref[i];
            if(j) k -= pref[j-1];
            ans = max(ans, k - (a[i].fi - a[j].fi));
        }
    }
    cout << ans;
}

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