Submission #678503

#	Time	Username	Problem	Language	Result	Execution time	Memory
678503		vjudge1	Art Exhibition (JOI18_art)	C++17	100 / 100	190 ms	8488 KiB

art

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

#define f first
#define s second

typedef long long ll;
typedef long double ld;
typedef pair<int, pair<int, int>> ft;

const ld PI = acos(-1);
const int maxn = 5e5+5;
const int blsz = 1000;
const ll inf = 1e18;
const int mod = 998244353;

int n, m, q;

ll ans = 0, mx = -inf;

pair<ll, ll> A[maxn];

signed main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    cin >> n;
    for(int i = 1; i <= n; i++)cin >> A[i].f >> A[i].s;
    sort(A+1, A+n+1);
    for(int i = 1; i <= n; i++){
        mx = max(mx, A[i].f - A[i-1].s);
        A[i].s += A[i-1].s;
        ans = max(ans, A[i].s - A[i].f + mx);
    }
    cout << ans;
}

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