Submission #1108448

#	Time	Username	Problem	Language	Result	Execution time	Memory
1108448		vjudge1	Art Exhibition (JOI18_art)	C++17	100 / 100	131 ms	8268 KiB

art

#include <bits/stdc++.h>
#define int long long
#define F first
#define S second
using namespace std;
const int N=5e5+5;
int n, res;
pair<int,int> a[N];

main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    cin>>n;
    for(int i=1; i<=n; ++i) cin>>a[i].F>>a[i].S;
    sort(a+1,a+n+1);
    int pre=0, mn=-1e18;
    for(int i=1; i<=n; ++i)
    {
        mn=max(mn,a[i].F-pre);
        pre+=a[i].S;
        res=max(res,pre-a[i].F+mn);
    }
    cout<<res;
    return 0;
}

Compilation message (stderr)

art.cpp:10:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   10 | main()
      | ^~~~

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