Submission #1089713

#	Time	Username	Problem	Language	Result	Execution time	Memory
1089713		ezzzay	Art Exhibition (JOI18_art)	C++14	100 / 100	370 ms	32944 KiB

art

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define pb push_back
#define ff first
#define ss second
const int N=5e5+5;
int a[N],b[N];
vector<pair<int,int>>v;
signed main(){
    int n;
    cin>>n;
    int ans=0;
    for(int i=0;i<n;i++){cin>>a[i]>>b[i];
        v.pb({a[i],b[i]});
    }
    sort(v.begin(),v.end());
    int ps[N];
    for(int i=1;i<=n;i++){
        ps[i]=ps[i-1]+v[i-1].ss;
    }
    
    int f=0,s=1e18;
    for(int i=1; i<=n; i++){
    	s=min(s,ps[i-1]-v[i-1].ff);
    	ans=max(ans,(ps[i]-v[i-1].ff)-s);
    }
    cout<<ans;
}

Compilation message (stderr)

art.cpp: In function 'int main()':
art.cpp:23:9: warning: unused variable 'f' [-Wunused-variable]
   23 |     int f=0,s=1e18;
      |         ^

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