Submission #715751

#	Time	Username	Problem	Language	Result	Execution time	Memory
715751		aykhn	Art Exhibition (JOI18_art)	C++14	100 / 100	600 ms	8128 KiB

art

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef unsigned long long ull;

#define OPT ios_base::sync_with_stdio(0); \
            cin.tie(0); \
            cout.tie(0)

#define pii pair<int,int>
#define pll pair<ll,ll>
#define pull pair<ull,ull>
#define endl "\n"
#define all(v) v.begin(), v.end()
#define mpr make_pair
#define pb push_back
#define ts to_string
#define fi first
#define se second
#define inf 0x3F3F3F3F
#define bpc __builtin_popcount
#define print(v) for(int i = 0; i < v.size(); i++) \
                    cout << v[i] << " "; \
                    cout<<endl;

int main()
{
    int n;
    cin >> n;

    vector<pll> v(n);

    ll res = 0;

    for (int i = 0; i < n; i++)
    {
        cin >> v[i].fi >> v[i].se;
        res = max(res, v[i].se);
    }

    sort(all(v));
    ll sum = 0;
  
    for (int i = 0; i < n; i++)
    {
        if (v[i].fi >= sum) sum = v[i].fi;

        sum += v[i].se;
	
      	res = max(res, sum - v[i].fi);
    }

    cout << res << endl;
}

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