Submission #850426

#	Time	Username	Problem	Language	Result	Execution time	Memory
850426		Bach21	Art Exhibition (JOI18_art)	C++14	100 / 100	537 ms	17444 KiB

art

#include <bits/stdc++.h>
using namespace std;
#define ll long long
int n;
vector<pair<ll,ll>> v;
signed main()
{
    cin >> n;
    for (int i=0;i<n;i++)
    {
        ll x,y;
        cin >> x >> y;
        v.push_back({x,y});
    }
    sort(v.begin(),v.end());
    ll lo=0;
    ll sum=0;
    ll res=0;
    for (auto x : v)
    {
        lo=min(lo,sum-x.first);
        sum+=x.second;
        res=max(res,sum-x.first-lo);
    }
    cout << res;
}

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