Submission #1003677

#	Time	Username	Problem	Language	Result	Execution time	Memory
1003677		Luvidi	Art Exhibition (JOI18_art)	C++17	100 / 100	125 ms	24772 KiB

art

#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pll pair<ll, ll>
#define pii pair<int, int>
#define fs first
#define sc second
#define pb push_back

void solve() {
    int n;
    cin>>n;
    pll a[n];
    for(pll &p:a)cin>>p.fs>>p.sc;
    sort(a,a+n);
    ll pre[n+1];
    pre[0]=0;
    for(int i=1;i<=n;i++)pre[i]=pre[i-1]+a[i-1].sc;
    ll x=1e18,ans=0;
    for(int i=0;i<n;i++){
        x=min(x,pre[i]-a[i].fs);
        ans=max(ans,pre[i+1]-a[i].fs-x);
    }
    cout<<ans;
}

int main() {   
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    solve();
}

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