제출 #1334509

#제출 시각아이디문제언어결과실행 시간메모리
1334509yc11Art Exhibition (JOI18_art)C++20
0 / 100
0 ms344 KiB
#include<bits/stdc++.h>
#define int long long
using namespace std;
int n;
vector<pair<int,int> > n1;
signed main(){
    cin>>n;

    for (int i = 0;i<n;i++){
        int a,b;
        cin>>a>>b;
        n1.push_back(make_pair(a,b));

    }
    sort(n1.begin(),n1.end());
    int ans = 0;

    int l = 0;
    for (int i = 0;i<n;i++){
        int ans1 = -n1[i].first;
        for (int j = i;j>=l;j--){
            ans1 = ans1+n1[j].second;
    
            if (ans1+n1[j].first>ans){
                ans = ans1+n1[j].first;
                l = j;
            }
         

        }

    }
    cout<<ans<<"\n";
    return 0;
    }
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