제출 #1014742

#제출 시각아이디문제언어결과실행 시간메모리
1014742snpmrnhlolArt Exhibition (JOI18_art)C++17
100 / 100
405 ms20884 KiB
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll N = 5e5;
const ll inf = 1e18;
pair<ll,ll> v[N];
int main(){
    ll n;
    ll sum = -inf;
    ll ans = -inf;
    cin>>n;
    for(ll i = 0;i < n;i++){
        cin>>v[i].first>>v[i].second;
    }
    sort(v,v + n);
    for(ll i = 0;i < n;i++){
        sum = max(sum,v[i].first);
        sum = sum + v[i].second;
        ans = max(ans,sum - v[i].first);
    }
    cout<<ans<<'\n';
    return 0;
}
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