제출 #1071479

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1071479		vjudge1	Art Exhibition (JOI18_art)	C++17	0 / 100	0 ms	2392 KiB

art

    #include<bits/stdc++.h>
    using namespace std;
    #define int unsigned long long
    #define nn "\n";
    #define pb push_back
    const int N = 1e6 + 8  , inf = 1e17 ;
    int  n , m , q , a[N], b[N];
    signed main() {
        ios_base::sync_with_stdio(0), cin.tie(0);
        cin>> n ;
        vector<pair<int,   int >> v ;
        for(int i  = 1; i <= n; i++){
            cin>> a[i]>> b[i];
            v.pb({a[i] , b[i]});
        }
        if(n == 1 ){
            cout << b[1];
            return 0 ;
        }
        sort(v.begin() , v.end());
        int mx =-inf , pos =0  ;
        for(int i =0 ; i < v.size() ; i++){
            if(v[i].second - v[i].first>= mx ){
                mx = v[i].second - v[i].first;
                pos = i ;
            }
            if(v[i].second - v[i].first >= 0 ){
                mx = v[i].second - v[i].first;
                pos = i ;
                break;
            }
        }
        int S = v[pos].second  , mn = v[pos].first ;
        mx =0 ;
        for(int i = pos+1 ; i < v.size() ; i++){
            mx = max(mx , S + v[i].second - (v[i].first - mn) );
            S+=v[i].second;
        }
        cout << mx ;

    }

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 50