Submission #699656

#	Time	Username	Problem	Language	Result	Execution time	Memory
699656		MohammadAbduljalil	Art Exhibition (JOI18_art)	C++17	100 / 100	189 ms	14284 KiB

art

#include <bits/stdc++.h>
#define fast_input_output() ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr)
typedef long long ll;
using namespace std;
int main() {
    fast_input_output();
    ll n; cin >> n;
    vector<pair<ll, ll>> v(n);
    for (int i = 0; i < n; i++) cin >> v[i].first >> v[i].second;
    sort(v.begin(), v.end());
    ll arr[n]; arr[0] = v[0].second;
    for (int i = 1; i < n; i++) {
        ll x = arr[i-1] + v[i-1].first - v[i].first + v[i].second;
        arr[i] = max(x, v[i].second);
    }
    ll ans = LLONG_MIN;
    for (int i = 0; i < n; i++) ans = max(ans, arr[i]);
    cout << ans;
    return 0;
}

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