Submission #740632

#	Time	Username	Problem	Language	Result	Execution time	Memory
740632		abczz	Art Exhibition (JOI18_art)	C++14	100 / 100	527 ms	20920 KiB

art

#include <iostream>
#include <array>
#include <algorithm>
#define ll long long

using namespace std;

ll n, s, mx = -1e18, f = -1e18;
array<ll,2> A[500000];
int main() {
    cin >> n;
    for (int i=0; i<n; ++i) {
        for (int j=0; j<2; ++j) {
            cin >> A[i][j];
        }
    }
    sort(A, A+n);
    for (int i=0; i<n; ++i) {
        mx = max(mx, A[i][0]-s);
        s += A[i][1];
        f = max(f, mx+s-A[i][0]);
    }
    cout << f << '\n';
}

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