Submission #966803

#	Time	Username	Problem	Language	Result	Execution time	Memory
966803		Aliyyiakbar	Art Exhibition (JOI18_art)	C++17	100 / 100	141 ms	14948 KiB

art

#include <iostream>
#include <vector>
#include <algorithm>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/hash_policy.hpp>

#define int long long
#define $AzH_TxdmN$ ios_base::sync_with_stdio(0);cin.tie(nullptr);cout.tie(nullptr);
#pragma GCC target("sse,sse2,sse3,ssse3,popcnt,abm,mmx,tune=native")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("no-stack-protector")
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("fast-math")

#define pb push_back
#define ep emplace_back
#define all(v) v.begin(),v.end()
#define pii pair<int,int>
using namespace std;
using namespace __gnu_pbds;

typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> __indexed_set;
typedef tree<int,null_type,less_equal<int>,rb_tree_tag,tree_order_statistics_node_update> __indexed_multiset;
const int sz = 5e5+9;
const int MOD = 1e9+7;
const int INF = 1e18;
pii a[sz];

int n,k;

void solve()
{
    cin>>n;
    for (int i = 1; i <= n; ++i)
    {
        cin>>a[i].first>>a[i].second;
    }
    sort(a+1,a+1+n);
    int res = 0,curr = 0,currmn = INF,currmx = -INF,nwmn,nwmx;
    for (int i = 1; i <= n; ++i)
    {
        nwmn = min(currmn,a[i].first);
        nwmx = max(currmx,a[i].first);
        if (curr+a[i].second-(nwmx-nwmn) < a[i].second)
        {
            curr = a[i].second;
            currmn = a[i].first;
            currmx = a[i].first;
        }
        else
        {
            currmn = nwmn;
            currmx = nwmx;
            curr += a[i].second;
        }
        res = max(res,curr - (currmx-currmn));
    }
    cout<<res<<'\n';
}

signed main()
{
    $AzH_TxdmN$
    int t = 1;
    //cin>>t;
    while (t--)
    {
        solve();
    }
}

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