Submission #141516

#	Time	Username	Problem	Language	Result	Execution time	Memory
141516		osaaateiasavtnl	Art Exhibition (JOI18_art)	C++14	100 / 100	289 ms	21012 KiB

art

#include<bits/stdc++.h>
using namespace std;
#define int long long 
#define ii pair <int, int>
#define app push_back
#define all(a) a.begin(), a.end()
const int N = 5e5 + 7, INF = 1e18 + 7;
ii a[N];
signed main() {
    #ifdef HOME
    freopen("input.txt", "r", stdin);
    #else
    ios_base::sync_with_stdio(0); cin.tie(0);
    #endif
    int n; cin >> n; for (int i = 0; i < n; ++i) cin >> a[i].first >> a[i].second;
    sort(a, a + n); int cur = -INF, p = 0, ans = -INF;
    for (int i = 0; i < n; ++i) {
        cur = max(cur, a[i].first - p);
        p += a[i].second;
        ans = max(ans, p - a[i].first + cur);
    }
    cout << ans << '\n';
}   

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