Submission #1139644

#	Time	Username	Problem	Language	Result	Execution time	Memory
1139644		Luvidi	Art Exhibition (JOI18_art)	C++17	100 / 100	103 ms	8260 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(int i=0;i<n;i++)cin>>a[i].fs>>a[i].sc;
    sort(a,a+n);
    ll p=0,x=-1e18,ans=0;
    for(int i=0;i<n;i++){
        x=max(x,a[i].fs-p);
        p+=a[i].sc;
        ans=max(ans,p-a[i].fs+x);
    }
    cout<<ans<<'\n';
}

int main() {
    #ifdef FPO
        freopen("in","r",stdin);
        freopen("out","w",stdout);
    #endif
    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