Submission #1276736

#	Time	Username	Problem	Language	Result	Execution time	Memory
1276736		tm.khoa.tm	Art Exhibition (JOI18_art)	C++20	0 / 100	0 ms	332 KiB

art

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

#define love ManchesterUnited
#define int long long
#define pb push_back
#define FOR(i,a,b) for (int i=(a); i<=(b); i++)
#define FORD(i,b,a) for (int i=(b); i>=(a); i--)
#define endl '\n'
typedef long long ll;

const int N = 5e5 + 5;
const int INF = 1e18;

int n;
pair<int,int> a[N];
int P[N];

int32_t main(){
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);

    cin >> n;
    FOR(i,1,n) cin >> a[i].first >> a[i].second;

    sort(a+1, a+n+1);
    FOR(i,1,n) P[i] = P[i-1] + a[i].second;

    int ans = -INF;
    int minPref = INF;

    FOR(i,1,n){
        if (i >= 2) ans = max(ans, (P[i] - a[i].first) - minPref);
        minPref = min(minPref, P[i-1] - a[i].first);
    }

    cout << ans << endl;
}

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