Submission #260726

#	Time	Username	Problem	Language	Result	Execution time	Memory
260726		arbor	Art Exhibition (JOI18_art)	C++14	100 / 100	253 ms	21260 KiB

art

#include <bits/stdc++.h>
#define all(x) x.begin(), x.end()
using namespace std;
using ll = long long;
using pii = pair<int, int>;
const int MN = 5e5 + 5;
int N;

int main() {
    ios_base::sync_with_stdio(0), cin.tie(0);
    cin >> N;
    vector<pair<ll, ll>> v;
    for (int i = 0; i < N; i++) {
        ll a, b; cin >> a >> b;
        v.emplace_back(a, b);
    }
    sort(all(v));
    ll cur = 0, ans = 0;
    for (int i = 0; i < N; i++) {
        ll a = v[i].first, b = v[i].second;
        cur = max(cur, a) + b;
        ans = max(ans, cur - a);
    }
    cout << ans << '\n';
    return 0;
}

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