Submission #654776

#	Time	Username	Problem	Language	Result	Execution time	Memory
654776		sofija6	Art Exhibition (JOI18_art)	C++14	100 / 100	186 ms	20852 KiB

art

#include <bits/stdc++.h>
#define ll long long
#define MAXN 500010
using namespace std;
pair<ll,ll> a[MAXN];
bool Cmp(pair<ll,ll> x,pair<ll,ll> y)
{
    if (x.first!=y.first)
        return x.first<y.first;
    return x.second<y.second;
}
int main()
{
    ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    ll n;
    cin >> n;
    for (ll i=1;i<=n;i++)
        cin >> a[i].first >> a[i].second;
    sort(a+1,a+1+n);
    ll ans=LLONG_MIN,sum=0,minn=LLONG_MAX;
    for (ll i=1;i<=n;i++)
    {
        minn=min(minn,sum-a[i].first);
        sum+=a[i].second;
        ans=max(ans,sum-a[i].first-minn);
    }
    cout << ans;
    return 0;
}

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