Submission #483984

#	Time	Username	Problem	Language	Result	Execution time	Memory
483984		ak2006	Art Exhibition (JOI18_art)	C++14	50 / 100	1081 ms	48100 KiB

art

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vb = vector<bool>;
using vvb = vector<vb>;
using vi = vector<int>;
using vvi = vector<vi>;
using vl = vector<ll>;
using vvl = vector<vl>;
using vc = vector<char>;
using vvc = vector<vc>;
using vs = vector<string>;
const ll mod = 1e9 + 7,inf = 1e18;
#define pb push_back
#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
void setIO()
{
    fast;
}
int main()
{
    setIO();
    int n;
    cin>>n;
    vvl a(n + 1,vl(2));
    for (int i = 1;i<=n;i++)cin>>a[i][0]>>a[i][1];
    sort(a.begin() + 1,a.end());
    vl pre(n + 1),dp(n + 1);
    ll ans = 0;
    for (int i = 1;i<=n;i++)pre[i] = pre[i - 1] + a[i][1];
    for (int i = 1;i<=n;i++){
        for (int j = i - 1;j>=0;j--){
            dp[i] = max(dp[i],pre[i] - pre[j] - (a[i][0] - a[j + 1][0]));
            ans = max(ans,dp[i]);
        }
    }
    cout<<ans;
    return 0;
}

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