Submission #48930

#	Time	Username	Problem	Language	Result	Execution time	Memory
48930		faishol27	Art Exhibition (JOI18_art)	C++14	50 / 100	1078 ms	12564 KiB

art

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

typedef long long ll;
#define PUB push_back

struct art{
    ll sz, val;
};

int N;
ll pref[500005], ans = 0;
vector<art> data;
bool putus[500005];

bool comp(art a, art b){
    if(a.sz == b.sz) return a.val < b.val;
    return a.sz < b.sz;
}

int main(){
    cin >> N;
    data.PUB({0,0});
    for(int i=1;i<=N;i++){
        ll a, b;
        cin >> a >> b;
        data.PUB({a, b});
    }

    sort(data.begin(), data.end(), comp);

    for(int i=1;i<=N;i++) pref[i] = pref[i-1]+data[i].val;
    
    for(int i=1;i<=N;i++) for(int j=i;j<=N;j++){
        ll tmp = (pref[j]-pref[i-1])-(data[j].sz-data[i].sz);
        ans = max(ans, tmp);
    }
    
    cout << ans << endl;
}

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