Submission #726479

#	Time	Username	Problem	Language	Result	Execution time	Memory
726479		hoainiem	Art Exhibition (JOI18_art)	C++14	0 / 100	1 ms	212 KiB

art

#include <bits/stdc++.h>
#define fi first
#define se second
#define lc id<<1
#define rc id<<1^1
#define nmax 500008
const long long inf = 1e18;
using namespace std;
typedef pair<long long, long long> pii;
int n;
pii a[nmax];
long long ans = -inf, pre = inf, f[nmax];
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    cin >> n;
    for (int i = 1; i <= n; i++)
        cin >> a[i].fi >> a[i].se;
    sort(a + 1, a + n + 1);
    for (int i = 1; i <= n; i++){
        f[i] = f[i - 1] + a[i].se;
        ans = max(ans, f[i] - a[i].fi - pre);
        pre = min(pre, f[i - 1] - a[i].fi);
    }
    cout << ans;
    return 0;
}

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