Submission #775166

#	Time	Username	Problem	Language	Result	Execution time	Memory
775166		kirakaminski968	Art Exhibition (JOI18_art)	C++17	0 / 100	0 ms	320 KiB

art

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

int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    int N; cin >> N;
    vector<pair<ll,ll>> art(N);
    for(int i = 0;i<N;++i) cin >> art[i].first >> art[i].second; //first is size, second is value
    sort(art.begin(),art.end()); //sort by size
    vector<ll> pref(N); pref[0] = art[0].second;
    for(int i = 1;i<N;++i) pref[i] = pref[i-1]+art[i].second;
    ll ans = 0, cur = art[0].first;
    for(int i = 0;i<N;++i){
        cur = max(cur,art[i].first-pref[i]);
        ans = max(ans,pref[i]-art[i].first+cur);
    }
    cout << ans << "\n";
    return 0;
}

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