Submission #1108585

#	Time	Username	Problem	Language	Result	Execution time	Memory
1108585		vjudge1	Art Exhibition (JOI18_art)	C++17	100 / 100	361 ms	8276 KiB

art

#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
#define priority_queue priority_queue<array<long long,2>, vector<array<long long,2>>, greater<array<long long,2>>>
#define ordered_set tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update>
#define ll long long
#define pii pair<int,int>
#define pli pair<long long,int> 
#define pil pair<int,long long>
#define pll pair<long long,long long>
#define pi 3.14159265358979323846 
#define pb push_back
#define fi first
#define se second
#define ar array
#define int long long

void chay()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    #define task "Hi"
    freopen(task".INP", "r", stdin);
    freopen(task".OUT", "w", stdout);
}

const int N = 5e5, INF = 2e9+7;
const int block = 600;
const long long INFLL = 2e18+7;
long long M = 1e9+7;
int n;
ar<int,2> a[N+5];

void solve()
{
	cin>>n;
	for (int i = 1; i <= n; i++)
	{
		cin>>a[i][0]>>a[i][1];
	}
	sort(a+1, a+n+1);
	int d = -a[1][0], kq = a[1][1], tong = 0;
	for (int i = 1; i <= n; i++)
	{
		tong += a[i][1];
		kq = max(kq, tong - a[i][0] - d);
		d = min(d, tong - a[i+1][0]);
	}
	cout<<kq;
}
 
signed main ()
{
    //chay();
    int t = 1;   
    //cin>>t; 
    while (t--)
    {
        solve();
    }

    return 0;
}

Compilation message (stderr)

art.cpp: In function 'void chay()':
art.cpp:26:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   26 |     freopen(task".INP", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
art.cpp:27:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   27 |     freopen(task".OUT", "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

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