Submission #1006958

#	Time	Username	Problem	Language	Result	Execution time	Memory
1006958		Khanhcsp2	Art Exhibition (JOI18_art)	C++14	50 / 100	24 ms	5212 KiB

art

#include<bits/stdc++.h>
#define el '\n'
#define fi first
#define sc second
#define int ll
#define pii pair<int, int>
#define all(v) v.begin(), v.end()
using namespace std;
using ll=long long;
using ull=unsigned long long;
using ld=long double;
const int mod=1e9+7;
const int N=1e5+11;
int n, ans, pre, pfs[N];
pii a[N];
void sol()
{
    cin >> n;
    for(int i=1;i<=n;i++) cin >> a[i].fi >> a[i].sc;
    sort(a+1, a+n+1);
    for(int i=1;i<=n;i++) pfs[i]=pfs[i-1]+a[i].sc;
    for(int i=1;i<=n;i++)
    {
        pre=max(pre, a[i].fi-pfs[i-1]);
        ans=max(ans, pfs[i]-a[i].fi+pre);
    }
    cout << ans;
}
signed main()
{
//    freopen("divisor.INP", "r", stdin);
//    freopen("divisor.OUT", "w", stdout);
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int t=1;
    //cin >> t;
    while(t--)
    {
        sol();
    }
}

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