Submission #203296

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
203296	2020-02-20T07:07:21 Z	wendy_virgo	Art Exhibition (JOI18_art)	C++14	100 / 100	281 ms	24824 KB

#include <bits/stdc++.h>

using namespace std;

#define taskname "JOI18_art"
#define forinc(i, a, b) for (int i = (a), _b = (b); i <= _b; ++i)
#define fordec(i, a, b) for (int i = (a), _b = (b); i >= _b; --i)
#define foreach(i, x) for (auto &i : x)
#define ms(x, n) memset(x, n, sizeof(x))
#define sz(x) int((x).size())
#define all(x) (x).begin(), (x).end()
#define uni(x) (x).erase(unique(all(x)), (x).end())
#define fi first
#define se second
#define pb push_back
#define pf push_front

template<typename TH>
void _dbg(const char* sdbg, TH h)
{
	cerr << sdbg << " = " << h << "\n";
}

template<typename TH, typename... TA>
void _dbg(const char* sdbg, TH h, TA... t)
{
	while (*sdbg != ',') cerr << *sdbg++;
	cerr << " = " << h << ",";
	_dbg(sdbg + 1, t...);
}

#define db(...) _dbg(#__VA_ARGS__, __VA_ARGS__)
#define chkpt cerr << "--- Checkpoint here ---\n";

const int N=5e5+5;
const int64_t LINF=1e18;

struct Data
{
    int64_t a,b;
};

int n;
Data d[N];
int64_t s[N];

bool Cmp(Data x,Data y)
{
    return x.a<y.a;
}

void Solve()
{
    sort(d+1,d+1+n,Cmp);
    forinc(i,1,n)
    {
        s[i]=s[i-1]+d[i].b;
    }
    int64_t maxVal=-LINF,ans=0;
    fordec(l,n,1)
    {
        maxVal=max(maxVal,s[l]-d[l].a);
        ans=max(ans,maxVal-s[l-1]+d[l].a);
    }
    cout<<ans;
}

int main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	#ifndef ONLINE_JUDGE
//	freopen(taskname".INP","r",stdin);
	#endif // ONLINE_JUDGE
	cin>>n;
	forinc(i,1,n)
	{
	    cin>>d[i].a>>d[i].b;
	}
	Solve();
    return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct

Subtask #2
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct
12	Correct	5 ms	376 KB	Output is correct
13	Correct	5 ms	376 KB	Output is correct
14	Correct	5 ms	376 KB	Output is correct
15	Correct	5 ms	376 KB	Output is correct
16	Correct	5 ms	376 KB	Output is correct
17	Correct	5 ms	376 KB	Output is correct
18	Correct	5 ms	376 KB	Output is correct
19	Correct	5 ms	376 KB	Output is correct
20	Correct	5 ms	376 KB	Output is correct
21	Correct	5 ms	380 KB	Output is correct
22	Correct	5 ms	376 KB	Output is correct
23	Correct	5 ms	376 KB	Output is correct
24	Correct	5 ms	372 KB	Output is correct
25	Correct	5 ms	376 KB	Output is correct
26	Correct	5 ms	376 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct
12	Correct	5 ms	376 KB	Output is correct
13	Correct	5 ms	376 KB	Output is correct
14	Correct	5 ms	376 KB	Output is correct
15	Correct	5 ms	376 KB	Output is correct
16	Correct	5 ms	376 KB	Output is correct
17	Correct	5 ms	376 KB	Output is correct
18	Correct	5 ms	376 KB	Output is correct
19	Correct	5 ms	376 KB	Output is correct
20	Correct	5 ms	376 KB	Output is correct
21	Correct	5 ms	380 KB	Output is correct
22	Correct	5 ms	376 KB	Output is correct
23	Correct	5 ms	376 KB	Output is correct
24	Correct	5 ms	372 KB	Output is correct
25	Correct	5 ms	376 KB	Output is correct
26	Correct	5 ms	376 KB	Output is correct
27	Correct	7 ms	504 KB	Output is correct
28	Correct	8 ms	632 KB	Output is correct
29	Correct	7 ms	632 KB	Output is correct
30	Correct	7 ms	632 KB	Output is correct
31	Correct	7 ms	528 KB	Output is correct
32	Correct	7 ms	632 KB	Output is correct
33	Correct	7 ms	632 KB	Output is correct
34	Correct	7 ms	632 KB	Output is correct
35	Correct	7 ms	632 KB	Output is correct
36	Correct	7 ms	632 KB	Output is correct
37	Correct	8 ms	632 KB	Output is correct
38	Correct	8 ms	632 KB	Output is correct
39	Correct	7 ms	636 KB	Output is correct
40	Correct	7 ms	632 KB	Output is correct
41	Correct	7 ms	632 KB	Output is correct
42	Correct	8 ms	632 KB	Output is correct
43	Correct	7 ms	632 KB	Output is correct
44	Correct	8 ms	632 KB	Output is correct
45	Correct	7 ms	632 KB	Output is correct
46	Correct	7 ms	632 KB	Output is correct
47	Correct	7 ms	632 KB	Output is correct
48	Correct	7 ms	632 KB	Output is correct
49	Correct	7 ms	632 KB	Output is correct
50	Correct	8 ms	632 KB	Output is correct
51	Correct	8 ms	632 KB	Output is correct

Subtask #4
50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct
12	Correct	5 ms	376 KB	Output is correct
13	Correct	5 ms	376 KB	Output is correct
14	Correct	5 ms	376 KB	Output is correct
15	Correct	5 ms	376 KB	Output is correct
16	Correct	5 ms	376 KB	Output is correct
17	Correct	5 ms	376 KB	Output is correct
18	Correct	5 ms	376 KB	Output is correct
19	Correct	5 ms	376 KB	Output is correct
20	Correct	5 ms	376 KB	Output is correct
21	Correct	5 ms	380 KB	Output is correct
22	Correct	5 ms	376 KB	Output is correct
23	Correct	5 ms	376 KB	Output is correct
24	Correct	5 ms	372 KB	Output is correct
25	Correct	5 ms	376 KB	Output is correct
26	Correct	5 ms	376 KB	Output is correct
27	Correct	7 ms	504 KB	Output is correct
28	Correct	8 ms	632 KB	Output is correct
29	Correct	7 ms	632 KB	Output is correct
30	Correct	7 ms	632 KB	Output is correct
31	Correct	7 ms	528 KB	Output is correct
32	Correct	7 ms	632 KB	Output is correct
33	Correct	7 ms	632 KB	Output is correct
34	Correct	7 ms	632 KB	Output is correct
35	Correct	7 ms	632 KB	Output is correct
36	Correct	7 ms	632 KB	Output is correct
37	Correct	8 ms	632 KB	Output is correct
38	Correct	8 ms	632 KB	Output is correct
39	Correct	7 ms	636 KB	Output is correct
40	Correct	7 ms	632 KB	Output is correct
41	Correct	7 ms	632 KB	Output is correct
42	Correct	8 ms	632 KB	Output is correct
43	Correct	7 ms	632 KB	Output is correct
44	Correct	8 ms	632 KB	Output is correct
45	Correct	7 ms	632 KB	Output is correct
46	Correct	7 ms	632 KB	Output is correct
47	Correct	7 ms	632 KB	Output is correct
48	Correct	7 ms	632 KB	Output is correct
49	Correct	7 ms	632 KB	Output is correct
50	Correct	8 ms	632 KB	Output is correct
51	Correct	8 ms	632 KB	Output is correct
52	Correct	263 ms	24700 KB	Output is correct
53	Correct	258 ms	24696 KB	Output is correct
54	Correct	259 ms	24696 KB	Output is correct
55	Correct	269 ms	24700 KB	Output is correct
56	Correct	249 ms	24696 KB	Output is correct
57	Correct	251 ms	24824 KB	Output is correct
58	Correct	262 ms	24696 KB	Output is correct
59	Correct	258 ms	24696 KB	Output is correct
60	Correct	263 ms	24696 KB	Output is correct
61	Correct	257 ms	24644 KB	Output is correct
62	Correct	250 ms	24696 KB	Output is correct
63	Correct	263 ms	24824 KB	Output is correct
64	Correct	253 ms	24696 KB	Output is correct
65	Correct	281 ms	24824 KB	Output is correct
66	Correct	265 ms	24824 KB	Output is correct
67	Correct	256 ms	24824 KB	Output is correct
68	Correct	280 ms	24680 KB	Output is correct

Submission #203296

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 20.0 / 20.0

Subtask #3 20.0 / 20.0

Subtask #4 50.0 / 50.0

Subtask #1
10.0 / 10.0

Subtask #2
20.0 / 20.0

Subtask #3
20.0 / 20.0

Subtask #4
50.0 / 50.0