Submission #331893

#	Time	Username	Problem	Language	Result	Execution time	Memory
331893		MladenP	Art Exhibition (JOI18_art)	C++17	100 / 100	229 ms	20972 KiB

art

#include<bits/stdc++.h>
#define fi first
#define se second
#define lld long long
#define LINF 1000000000000000000LL
using namespace std;
#define MAXN 500010
pair<lld, lld> p[MAXN];
int main() {
    ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    int N; cin >> N;
    for(int i = 1; i <= N; i++) cin >> p[i].fi >> p[i].se;
    sort(p+1, p+1+N);
    lld sum = 0;
    lld maxx = -LINF;
    lld rez = -LINF;
    for(int i = 1; i <= N; i++) {
        maxx = max(maxx, p[i].fi - sum);
        sum += p[i].se;
        rez = max(rez, maxx + sum - p[i].fi);
    }
    cout << rez;
}

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