Submission #765094

#	Time	Username	Problem	Language	Result	Execution time	Memory
765094		nathjess	Art Exhibition (JOI18_art)	C++14	100 / 100	149 ms	15520 KiB

art

# include <bits/stdc++.h>
# define int long long
# define vi vector<int>
# define pb push_back
# define pii pair<int, int>
# define fi first
# define se second
# define endl '\n'
# define jess ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

using namespace std;

int n, sum[500005];
pii a[500005];

void solve() {
    cin >> n;
    for(int i=1; i<=n; i++) {
        cin >> a[i].fi >> a[i].se;
    }
    sort(a+1, a+n+1);
    for(int i=1; i<=n; i++) {
        sum[i]=sum[i-1]+a[i].se;
    }
    int mn=1e18, ans=0;
    for(int i=1; i<=n; i++) {
        int aa=sum[i]-a[i].fi;
        mn=min(mn, sum[i-1]-a[i].fi);
        ans=max(ans, aa-mn);
    }
    cout << ans << endl;
}
 
signed main() {
    jess;
    solve();
}

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